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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:152889
[Rus]
Version
2
Class
patch
ALTXid
355316
Language
English
Severity
High
Title
USN-4948-1 -- Linux kernel (OEM) vulnerabilities
Description
Ryota Shiga discovered that the eBPF implementation in the Linux kernel didnot properly verify that a BPF program only reserved as much memory for aring buffer as was allocated.
A local attacker could use this to cause adenial of service (system crash) or execute arbitrary code. (CVE-2021-3489)
Family
unix
Platform
Linux Mint 20.x
Ubuntu 20.04
Product
linux-oem-5.10
Reference
VENDOR: USN-4948-1
VENDOR: USN-4948-1
Id:
USN-4948-1
Reference:
https://ubuntu.com/security/notices/USN-4948-1
CVE: CVE-2021-3489
CVE: CVE-2021-3489
Id:
CVE-2021-3489
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3489
Comment
: The eBPF RINGBUF bpf_ringbuf_reserve() function in the Linux kernel did not check that the allocated size was smaller than the ringbuf size, allowing an attacker to perform out-of-bounds writes within the kernel and therefore, arbitrary code execution. This issue was fixed via commit 4b81ccebaeee ("bpf, ringbuf: Deny reserve of buffers larger than ringbuf") (v5.13-rc4) and backported to the stable kernels in v5.12.4, v5.11.21, and v5.10.37. It was introduced via 457f44363a88 ("bpf: Implement BPF ring buffer and verifier support for it") (v5.8-rc1).
CVSSv2 Score:
7.2
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
COMPLETE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSSv3 Score:
7.8
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE:
787 (Out-of-bounds Write)
References:
https://www.zerodayinitiative.com/advisories/ZDI-21-590/ (MISC)
https://ubuntu.com/security/notices/USN-4949-1 (UBUNTU)
https://ubuntu.com/security/notices/USN-4950-1 (UBUNTU)
https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git/commit/?id=4b81ccebaeee885ab1aa1438133f2991e3a2b6ea (MISC)
[oss-security] CVE-2021-3489 - Linux kernel eBPF RINGBUF map oversized allocation (MLIST)
https://security.netapp.com/advisory/ntap-20210716-0004/ (CONFIRM)
CVE: CVE-2021-3490
CVE: CVE-2021-3490
Id:
CVE-2021-3490
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3490
Comment
: The eBPF ALU32 bounds tracking for bitwise ops (AND, OR and XOR) in the Linux kernel did not properly update 32-bit bounds, which could be turned into out of bounds reads and writes in the Linux kernel and therefore, arbitrary code execution. This issue was fixed via commit 049c4e13714e ("bpf: Fix alu32 const subreg bound tracking on bitwise operations") (v5.13-rc4) and backported to the stable kernels in v5.12.4, v5.11.21, and v5.10.37. The AND/OR issues were introduced by commit 3f50f132d840 ("bpf: Verifier, do explicit ALU32 bounds tracking") (5.7-rc1) and the XOR variant was introduced by 2921c90d4718 ("bpf:Fix a verifier failure with xor") ( 5.10-rc1).
CVSSv2 Score:
7.2
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
COMPLETE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSSv3 Score:
7.8
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE:
125 (Out-of-bounds Read)
References:
https://ubuntu.com/security/notices/USN-4949-1 (UBUNTU)
https://www.zerodayinitiative.com/advisories/ZDI-21-606/ (MISC)
https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git/commit/?id=049c4e13714ecbca567b4d5f6d563f05d431c80e (MISC)
https://ubuntu.com/security/notices/USN-4950-1 (UBUNTU)
[oss-security] CVE-2021-3490 - Linux kernel eBPF bitwise ops ALU32 bounds tracking (MLIST)
https://security.netapp.com/advisory/ntap-20210716-0004/ (CONFIRM)
http://packetstormsecurity.com/files/164015/Linux-eBPF-ALU32-32-bit-Invalid-Bounds-Tracking-Local-Privilege-Escalation.html (MISC)
CVE: CVE-2021-3491
CVE: CVE-2021-3491
Id:
CVE-2021-3491
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3491
Comment
: The io_uring subsystem in the Linux kernel allowed the MAX_RW_COUNT limit to be bypassed in the PROVIDE_BUFFERS operation, which led to negative values being usedin mem_rw when reading /proc/<PID>/mem. This could be used to create a heap overflow leading to arbitrary code execution in the kernel. It was addressed via commit d1f82808877b ("io_uring: truncate lengths larger than MAX_RW_COUNT on provide buffers") (v5.13-rc1) and backported to the stable kernels in v5.12.4, v5.11.21, and v5.10.37. It was introduced in ddf0322db79c ("io_uring: add IORING_OP_PROVIDE_BUFFERS") (v5.7-rc1).
CVSSv2 Score:
7.2
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
COMPLETE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSSv3 Score:
8.8
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE:
787 (Out-of-bounds Write)
References:
https://ubuntu.com/security/notices/USN-4949-1 (UBUNTU)
https://ubuntu.com/security/notices/USN-4950-1 (UBUNTU)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d1f82808877bb10d3deee7cf3374a4eb3fb582db (MISC)
https://www.zerodayinitiative.com/advisories/ZDI-21-589/ (MISC)
[oss-security] CVE-2021-3491 - Linux kernel io_uring PROVIDE_BUFFERS MAX_RW_COUNT bypass (MLIST)
https://security.netapp.com/advisory/ntap-20210716-0004/ (CONFIRM)
CVE: CVE-2020-25670
CVE: CVE-2020-25670
Id:
CVE-2020-25670
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25670
Comment
: A vulnerability was found in Linux Kernel where refcount leak in llcp_sock_bind() causing use-after-free which might lead to privilege escalations.
CVSSv2 Score:
7.2
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
COMPLETE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSSv3 Score:
7.8
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE:
416 (Use After Free)
References:
[oss-security] 20201101 [CVE-2020-25670,CVE-2020-25671,CVE-2020-25672,CVE-2020-25673]Linux kernel: many bugs in nfc socket (MLIST)
[oss-security] 20210511 CVE-2021-23134: Linux kernel: UAF in nfc sockets (MLIST)
https://www.openwall.com/lists/oss-security/2020/11/01/1 (MISC)
[debian-lts-announce] 20210623 [SECURITY] [DLA 2690-1] linux-4.19 security update (MLIST)
[debian-lts-announce] 20210623 [SECURITY] [DLA 2689-1] linux security update (MLIST)
https://security.netapp.com/advisory/ntap-20210702-0008/ (CONFIRM)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTVACC6PGS6OSD3EYY7FZUAZT2EUMFH5/ (MISC)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PW3OASG7OEMHANDWBM5US5WKTOC76KMH/ (MISC)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VEIEGQXUW37YHZ5MTAZTDCIMHUN26NJS/ (MISC)
CVE: CVE-2020-25671
CVE: CVE-2020-25671
Id:
CVE-2020-25671
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25671
Comment
: A vulnerability was found in Linux Kernel, where a refcount leak in llcp_sock_connect() causing use-after-free which might lead to privilege escalations.
CVSSv2 Score:
7.2
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
COMPLETE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSSv3 Score:
7.8
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE:
416 (Use After Free)
References:
[oss-security] 20201101 [CVE-2020-25670,CVE-2020-25671,CVE-2020-25672,CVE-2020-25673]Linux kernel: many bugs in nfc socket (MLIST)
https://www.openwall.com/lists/oss-security/2020/11/01/1 (MISC)
[debian-lts-announce] 20210623 [SECURITY] [DLA 2690-1] linux-4.19 security update (MLIST)
[debian-lts-announce] 20210623 [SECURITY] [DLA 2689-1] linux security update (MLIST)
https://security.netapp.com/advisory/ntap-20210702-0008/ (CONFIRM)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTVACC6PGS6OSD3EYY7FZUAZT2EUMFH5/ (MISC)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PW3OASG7OEMHANDWBM5US5WKTOC76KMH/ (MISC)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VEIEGQXUW37YHZ5MTAZTDCIMHUN26NJS/ (MISC)
CVE: CVE-2020-25672
CVE: CVE-2020-25672
Id:
CVE-2020-25672
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25672
Comment
: A memory leak vulnerability was found in Linux kernel in llcp_sock_connect
CVSSv2 Score:
5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSSv3 Score:
7.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE:
401 (Improper Release of Memory Before Removing Last Reference ('Memory Leak'))
References:
[oss-security] 20201101 [CVE-2020-25670,CVE-2020-25671,CVE-2020-25672,CVE-2020-25673]Linux kernel: many bugs in nfc socket (MLIST)
https://www.openwall.com/lists/oss-security/2020/11/01/1 (MISC)
[debian-lts-announce] 20210623 [SECURITY] [DLA 2690-1] linux-4.19 security update (MLIST)
[debian-lts-announce] 20210623 [SECURITY] [DLA 2689-1] linux security update (MLIST)
https://security.netapp.com/advisory/ntap-20210702-0008/ (CONFIRM)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTVACC6PGS6OSD3EYY7FZUAZT2EUMFH5/ (MISC)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PW3OASG7OEMHANDWBM5US5WKTOC76KMH/ (MISC)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VEIEGQXUW37YHZ5MTAZTDCIMHUN26NJS/ (MISC)
CVE: CVE-2021-28688
CVE: CVE-2021-28688
Id:
CVE-2021-28688
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28688
Comment
: The fix for XSA-365 includes initialization of pointers such that subsequent cleanup code wouldn't use uninitialized or stale values. This initialization went too far and may under certain conditions also overwrite pointers which are in need of cleaning up. The lack of cleanup would result in leaking persistent grants. The leak in turn would prevent fully cleaning up after a respective guest has died, leaving around zombie domains. All Linux versions having the fix for XSA-365 applied are vulnerable. XSA-365 was classified to affect versions back to at least 3.11.
CVSSv2 Score:
2.1
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:P
CVSSv3 Score:
6.5
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
CWE:
665 (Improper Initialization)
References:
https://xenbits.xenproject.org/xsa/advisory-371.txt (MISC)
[debian-lts-announce] 20210623 [SECURITY] [DLA 2690-1] linux-4.19 security update (MLIST)
[debian-lts-announce] 20210623 [SECURITY] [DLA 2689-1] linux security update (MLIST)
CVE: CVE-2021-28951
CVE: CVE-2021-28951
Id:
CVE-2021-28951
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28951
Comment
: An issue was discovered in fs/io_uring.c in the Linux kernel through 5.11.8. It allows attackers to cause a denial of service (deadlock) because exit may be waiting to park a SQPOLL thread, but concurrently that SQPOLL thread is waiting for a signal to start, aka CID-3ebba796fa25.
CVSSv2 Score:
4.9
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:C
CVSSv3 Score:
5.5
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE:
667 (Improper Locking)
References:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=3ebba796fa251d042be42b929a2d916ee5c34a49 (MISC)
https://security.netapp.com/advisory/ntap-20210430-0003/ (CONFIRM)
FEDORA-2021-e636ce53df ()
FEDORA-2021-68b0dd2373 ()
FEDORA-2021-9503fffad9 ()
CVE: CVE-2021-28952
CVE: CVE-2021-28952
Id:
CVE-2021-28952
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28952
Comment
: An issue was discovered in the Linux kernel through 5.11.8. The sound/soc/qcom/sdm845.c soundwire device driver has a buffer overflow when an unexpected port ID number is encountered, aka CID-1c668e1c0a0f. (This has been fixed in 5.12-rc4.)
CVSSv2 Score:
4.6
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:P/I:P/A:P
CVSSv3 Score:
7.8
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE:
120 (Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'))
References:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=1c668e1c0a0f74472469cd514f40c9012b324c31 (MISC)
https://security.netapp.com/advisory/ntap-20210430-0003/ (CONFIRM)
https://lore.kernel.org/alsa-devel/20210309142129.14182-2-srinivas.kandagatla%40linaro.org/ ()
FEDORA-2021-e636ce53df ()
FEDORA-2021-68b0dd2373 ()
FEDORA-2021-9503fffad9 ()
CVE: CVE-2021-28964
CVE: CVE-2021-28964
Id:
CVE-2021-28964
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28964
Comment
: A race condition was discovered in get_old_root in fs/btrfs/ctree.c in the Linux kernel through 5.11.8. It allows attackers to cause a denial of service (BUG) because of a lack of locking on an extent buffer before a cloning operation, aka CID-dbcc7d57bffc.
CVSSv2 Score:
1.9
Access vector:
LOCAL
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:M/Au:N/C:N/I:N/A:P
CVSSv3 Score:
4.7
Attack vector:
LOCAL
Attack complexity:
HIGH
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE:
362 (Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition'))
References:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=dbcc7d57bffc0c8cac9dac11bec548597d59a6a5 (MISC)
https://security.netapp.com/advisory/ntap-20210430-0003/ (CONFIRM)
[debian-lts-announce] 20210623 [SECURITY] [DLA 2690-1] linux-4.19 security update (MLIST)
[debian-lts-announce] 20210623 [SECURITY] [DLA 2689-1] linux security update (MLIST)
FEDORA-2021-e636ce53df ()
FEDORA-2021-68b0dd2373 ()
FEDORA-2021-9503fffad9 ()
CVE: CVE-2021-28971
CVE: CVE-2021-28971
Id:
CVE-2021-28971
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28971
Comment
: In intel_pmu_drain_pebs_nhm in arch/x86/events/intel/ds.c in the Linux kernel through 5.11.8 on some Haswell CPUs, userspace applications (such as perf-fuzzer) can cause a system crash because the PEBS status in a PEBS record is mishandled, aka CID-d88d05a9e0b6.
CVSSv2 Score:
4.9
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:C
CVSSv3 Score:
5.5
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE:
755 (Improper Handling of Exceptional Conditions)
References:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d88d05a9e0b6d9356e97129d4ff9942d765f46ea (MISC)
https://security.netapp.com/advisory/ntap-20210430-0003/ (CONFIRM)
[debian-lts-announce] 20210623 [SECURITY] [DLA 2690-1] linux-4.19 security update (MLIST)
[debian-lts-announce] 20210623 [SECURITY] [DLA 2689-1] linux security update (MLIST)
FEDORA-2021-e636ce53df ()
FEDORA-2021-68b0dd2373 ()
FEDORA-2021-9503fffad9 ()
CVE: CVE-2021-28972
CVE: CVE-2021-28972
Id:
CVE-2021-28972
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28972
Comment
: In drivers/pci/hotplug/rpadlpar_sysfs.c in the Linux kernel through 5.11.8, the RPA PCI Hotplug driver has a user-tolerable buffer overflow when writing a new device name to the driver from userspace, allowing userspace to write data to the kernel stack frame directly. This occurs because add_slot_store and remove_slot_store mishandle drc_name '\0' termination, aka CID-cc7a0bb058b8.
CVSSv2 Score:
7.2
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
COMPLETE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSSv3 Score:
6.7
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
HIGH
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE:
120 (Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'))
References:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cc7a0bb058b85ea03db87169c60c7cfdd5d34678 (MISC)
https://security.netapp.com/advisory/ntap-20210430-0003/ (CONFIRM)
FEDORA-2021-e636ce53df ()
FEDORA-2021-68b0dd2373 ()
FEDORA-2021-9503fffad9 ()
CVE: CVE-2021-29264
CVE: CVE-2021-29264
Id:
CVE-2021-29264
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29264
Comment
: An issue was discovered in the Linux kernel through 5.11.10. drivers/net/ethernet/freescale/gianfar.c in the Freescale Gianfar Ethernet driver allows attackers to cause a system crash because a negative fragment size is calculated in situations involving an rx queue overrun when jumbo packets are used and NAPI is enabled, aka CID-d8861bab48b6.
CVSSv2 Score:
4.7
Access vector:
LOCAL
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:M/Au:N/C:N/I:N/A:C
CVSSv3 Score:
5.5
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE:
CWE-Other ()
References:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=d8861bab48b6c1fc3cdbcab8ff9d1eaea43afe7f (MISC)
[debian-lts-announce] 20210623 [SECURITY] [DLA 2690-1] linux-4.19 security update (MLIST)
CVE: CVE-2021-29266
CVE: CVE-2021-29266
Id:
CVE-2021-29266
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29266
Comment
: An issue was discovered in the Linux kernel before 5.11.9. drivers/vhost/vdpa.c has a use-after-free because v->config_ctx has an invalid value upon re-opening a character device, aka CID-f6bbf0010ba0.
CVSSv2 Score:
7.2
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
COMPLETE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSSv3 Score:
7.8
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE:
416 (Use After Free)
References:
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.9 (MISC)
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f6bbf0010ba004f5e90c7aefdebc0ee4bd3283b9 (MISC)
https://security.netapp.com/advisory/ntap-20210513-0005/ (CONFIRM)
CVE: CVE-2021-29646
CVE: CVE-2021-29646
Id:
CVE-2021-29646
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29646
Comment
: An issue was discovered in the Linux kernel before 5.11.11. tipc_nl_retrieve_key in net/tipc/node.c does not properly validate certain data sizes, aka CID-0217ed2848e8.
CVSSv2 Score:
2.1
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:P
CVSSv3 Score:
5.5
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
References:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0217ed2848e8538bcf9172d97ed2eeb4a26041bb (MISC)
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.11 (MISC)
FEDORA-2021-41fb54ae9f ()
FEDORA-2021-6b0f287b8b ()
FEDORA-2021-2306e89112 ()
CVE: CVE-2021-29647
CVE: CVE-2021-29647
Id:
CVE-2021-29647
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29647
Comment
: An issue was discovered in the Linux kernel before 5.11.11. qrtr_recvmsg in net/qrtr/qrtr.c allows attackers to obtain sensitive information from kernel memory because of a partially uninitialized data structure, aka CID-50535249f624.
CVSSv2 Score:
2.1
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:P/I:N/A:N
CVSSv3 Score:
5.5
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
NONE
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE:
909 ()
References:
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.11 (MISC)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=50535249f624d0072cd885bcdce4e4b6fb770160 (MISC)
[debian-lts-announce] 20210623 [SECURITY] [DLA 2690-1] linux-4.19 security update (MLIST)
[debian-lts-announce] 20210623 [SECURITY] [DLA 2689-1] linux security update (MLIST)
FEDORA-2021-41fb54ae9f ()
FEDORA-2021-6b0f287b8b ()
FEDORA-2021-2306e89112 ()
CVE: CVE-2021-29649
CVE: CVE-2021-29649
Id:
CVE-2021-29649
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29649
Comment
: An issue was discovered in the Linux kernel before 5.11.11. The user mode driver (UMD) has a copy_process() memory leak, related to a lack of cleanup steps in kernel/usermode_driver.c and kernel/bpf/preload/bpf_preload_kern.c, aka CID-f60a85cad677.
CVSSv2 Score:
4.9
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:C
CVSSv3 Score:
5.5
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE:
401 (Improper Release of Memory Before Removing Last Reference ('Memory Leak'))
References:
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.11 (MISC)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f60a85cad677c4f9bb4cadd764f1d106c38c7cf8 (MISC)
FEDORA-2021-41fb54ae9f ()
FEDORA-2021-6b0f287b8b ()
FEDORA-2021-2306e89112 ()
CVE: CVE-2021-29650
CVE: CVE-2021-29650
Id:
CVE-2021-29650
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29650
Comment
: An issue was discovered in the Linux kernel before 5.11.11. The netfilter subsystem allows attackers to cause a denial of service (panic) because net/netfilter/x_tables.c and include/linux/netfilter/x_tables.h lack a full memory barrier upon the assignment of a new table value, aka CID-175e476b8cdf.
CVSSv2 Score:
4.9
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:C
CVSSv3 Score:
5.5
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
References:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=175e476b8cdf2a4de7432583b49c871345e4f8a1 (MISC)
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.11 (MISC)
[debian-lts-announce] 20210623 [SECURITY] [DLA 2690-1] linux-4.19 security update (MLIST)
[debian-lts-announce] 20210623 [SECURITY] [DLA 2689-1] linux security update (MLIST)
FEDORA-2021-41fb54ae9f ()
FEDORA-2021-6b0f287b8b ()
FEDORA-2021-2306e89112 ()
CVE: CVE-2021-29657
CVE: CVE-2021-29657
Id:
CVE-2021-29657
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29657
Comment
: arch/x86/kvm/svm/nested.c in the Linux kernel before 5.11.12 has a use-after-free in which an AMD KVM guest can bypass access control on host OS MSRs when there are nested guests, aka CID-a58d9166a756. This occurs because of a TOCTOU race condition associated with a VMCB12 double fetch in nested_svm_vmrun.
CVSSv2 Score:
6.9
Access vector:
LOCAL
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
COMPLETE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:M/Au:N/C:C/I:C/A:C
CVSSv3 Score:
7.4
Attack vector:
LOCAL
Attack complexity:
HIGH
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE:
416 (Use After Free)
References:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a58d9166a756a0f4a6618e4f593232593d6df134 (CONFIRM)
https://bugs.chromium.org/p/project-zero/issues/detail?id=2177 (MISC)
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.12 (CONFIRM)
http://packetstormsecurity.com/files/163324/KVM-nested_svm_vmrun-Double-Fetch.html (MISC)
https://security.netapp.com/advisory/ntap-20210902-0008/ (CONFIRM)
CVE: CVE-2021-31916
CVE: CVE-2021-31916
Id:
CVE-2021-31916
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31916
Comment
: An out-of-bounds (OOB) memory write flaw was found in list_devices in drivers/md/dm-ioctl.c in the Multi-device driver module in the Linux kernel before 5.12. A bound check failure allows an attacker with special user (CAP_SYS_ADMIN) privilege to gain access to out-of-bounds memory leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to system availability.
CVSSv2 Score:
6.1
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:P/I:P/A:C
CVSSv3 Score:
6.7
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
HIGH
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE:
787 (Out-of-bounds Write)
References:
https://seclists.org/oss-sec/2021/q1/268 (MISC)
https://bugzilla.redhat.com/show_bug.cgi?id=1946965 (MISC)
https://github.com/torvalds/linux/commit/4edbe1d7bcffcd6269f3b5eb63f710393ff2ec7a (MISC)
[debian-lts-announce] 20210623 [SECURITY] [DLA 2690-1] linux-4.19 security update (MLIST)
[debian-lts-announce] 20210623 [SECURITY] [DLA 2689-1] linux security update (MLIST)
CVE: CVE-2021-3483
CVE: CVE-2021-3483
Id:
CVE-2021-3483
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3483
Comment
: A flaw was found in the Nosy driver in the Linux kernel. This issue allows a device to be inserted twice into a doubly-linked list, leading to a use-after-free when one of these devices is removed. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. Versions before kernel 5.12-rc6 are affected
CVSSv2 Score:
4.6
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:P/I:P/A:P
CVSSv3 Score:
7.8
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE:
416 (Use After Free)
References:
[oss-security] 20210407 CVE-2021-3483: Linux kernel: a use-after-free bug in nosy driver (MLIST)
https://bugzilla.redhat.com/show_bug.cgi?id=1948045 (MISC)
[debian-lts-announce] 20210623 [SECURITY] [DLA 2690-1] linux-4.19 security update (MLIST)
[debian-lts-announce] 20210623 [SECURITY] [DLA 2689-1] linux security update (MLIST)
https://security.netapp.com/advisory/ntap-20210629-0002/ (CONFIRM)
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