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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:161281
[Rus]
Version
2
Class
patch
ALTXid
368343
Language
English
Severity
High
Title
SUSE-SU-2021:3217-1 -- Security update for the Linux Kernel
Description
The SUSE Linux Enterprise 12 SP5 Realtime kernel was updated to receive various security and bugfixes.
Family
unix
Product
Linux Kernel
Reference
VENDOR: SUSE-SU-2021:3217-1
VENDOR: SUSE-SU-2021:3217-1
Id:
SUSE-SU-2021:3217-1
Reference:
https://www.suse.com/support/update/announcement/2021/SUSE-SU-20213217-1/
CVE: CVE-2018-9517
CVE: CVE-2018-9517
Id:
CVE-2018-9517
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-9517
Comment
: In pppol2tp_connect, there is possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android kernel. Android ID: A-38159931.
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:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE:
416 (Use After Free)
References:
https://source.android.com/security/bulletin/pixel/2018-09-01 (CONFIRM)
USN-3932-2 (UBUNTU)
USN-3932-1 (UBUNTU)
RHSA-2019:2043 (REDHAT)
RHSA-2019:2029 (REDHAT)
CVE: CVE-2019-3874
CVE: CVE-2019-3874
Id:
CVE-2019-3874
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3874
Comment
: The SCTP socket buffer used by a userspace application is not accounted by the cgroups subsystem. An attacker can use this flaw to cause a denial of service attack. Kernel 3.10.x and 4.18.x branches are believed to be vulnerable.
CVSSv2 Score:
3.3
Access vector:
ADJACENT_NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:A/AC:L/Au:N/C:N/I:N/A:P
CVSSv3 Score:
6.5
Attack vector:
ADJACENT_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:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE:
400 (Uncontrolled Resource Consumption ('Resource Exhaustion'))
References:
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3874 (CONFIRM)
https://security.netapp.com/advisory/ntap-20190411-0003/ (CONFIRM)
USN-3981-1 (UBUNTU)
USN-3980-1 (UBUNTU)
USN-3979-1 (UBUNTU)
USN-3982-2 (UBUNTU)
USN-3982-1 (UBUNTU)
USN-3980-2 (UBUNTU)
USN-3981-2 (UBUNTU)
RHSA-2019:3517 (REDHAT)
RHSA-2019:3309 (REDHAT)
[debian-lts-announce] 20200928 [SECURITY] [DLA 2385-1] linux-4.19 security update (MLIST)
https://www.oracle.com/security-alerts/cpuApr2021.html (MISC)
CVE: CVE-2019-3900
CVE: CVE-2019-3900
Id:
CVE-2019-3900
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3900
Comment
: An infinite loop issue was found in the vhost_net kernel module in Linux Kernel up to and including v5.1-rc6, while handling incoming packets in handle_rx(). It could occur if one end sends packets faster than the other end can process them. A guest user, maybe remote one, could use this flaw to stall the vhost_net kernel thread, resulting in a DoS scenario.
CVSSv2 Score:
6.8
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
SINGLE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:N/AC:L/Au:S/C:N/I:N/A:C
CVSSv3 Score:
7.7
Attack vector:
NETWORK
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:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
CWE:
835 (Loop with Unreachable Exit Condition ('Infinite Loop'))
References:
https://www.spinics.net/lists/kernel/msg3111012.html (CONFIRM)
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3900 (CONFIRM)
108076 (BID)
https://security.netapp.com/advisory/ntap-20190517-0005/ (CONFIRM)
RHSA-2019:1973 (REDHAT)
RHSA-2019:2043 (REDHAT)
RHSA-2019:2029 (REDHAT)
DSA-4497 (DEBIAN)
20190813 [SECURITY] [DSA 4497-1] linux security update (BUGTRAQ)
[debian-lts-announce] 20190814 [SECURITY] [DLA 1884-1] linux security update (MLIST)
[debian-lts-announce] 20190814 [SECURITY] [DLA 1885-1] linux-4.9 security update (MLIST)
USN-4114-1 (UBUNTU)
USN-4117-1 (UBUNTU)
USN-4116-1 (UBUNTU)
USN-4115-1 (UBUNTU)
USN-4118-1 (UBUNTU)
RHSA-2019:3220 (REDHAT)
RHSA-2019:3517 (REDHAT)
RHSA-2019:3309 (REDHAT)
20191108 [slackware-security] Slackware 14.2 kernel (SSA:2019-311-01) (BUGTRAQ)
http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html (MISC)
RHSA-2019:3836 (REDHAT)
RHSA-2019:3967 (REDHAT)
RHSA-2019:4058 (REDHAT)
RHSA-2020:0204 (REDHAT)
https://www.oracle.com/security-alerts/cpuApr2021.html (MISC)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RI3WXXM5URTZSR3RVEKO6MDXDFIKTZ5R/ (MISC)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TOFNJA5NNVXQ6AV6KGZB677JIVXAMJHT/ (MISC)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AYTZH6QCNITK7353S6RCRT2PQHZSDPXD/ (MISC)
CVE: CVE-2020-12770
CVE: CVE-2020-12770
Id:
CVE-2020-12770
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12770
Comment
: An issue was discovered in the Linux kernel through 5.6.11. sg_write lacks an sg_remove_request call in a certain failure case, aka CID-83c6f2390040.
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:
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
References:
https://lkml.org/lkml/2020/4/13/870 (CONFIRM)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=83c6f2390040f188cc25b270b4befeb5628c1aee (CONFIRM)
https://security.netapp.com/advisory/ntap-20200608-0001/ (CONFIRM)
[debian-lts-announce] 20200609 [SECURITY] [DLA 2241-1] linux security update (MLIST)
[debian-lts-announce] 20200610 [SECURITY] [DLA 2241-2] linux security update (MLIST)
[debian-lts-announce] 20200610 [SECURITY] [DLA 2242-1] linux-4.9 security update (MLIST)
DSA-4699 (DEBIAN)
DSA-4698 (DEBIAN)
USN-4413-1 (UBUNTU)
USN-4411-1 (UBUNTU)
USN-4412-1 (UBUNTU)
USN-4419-1 (UBUNTU)
USN-4414-1 (UBUNTU)
FEDORA-2020-4c69987c40 ()
FEDORA-2020-c6b9fff7f8 ()
FEDORA-2020-5a69decc0c ()
CVE: CVE-2021-34556
CVE: CVE-2021-34556
Id:
CVE-2021-34556
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34556
Comment
: In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because the protection mechanism neglects the possibility of uninitialized memory locations on the BPF stack.
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:
203 (Information Exposure Through Discrepancy)
References:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/patch/?id=f5e81d1117501546b7be050c5fbafa6efd2c722c (MISC)
http://www.openwall.com/lists/oss-security/2021/08/01/3 (MISC)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/patch/?id=2039f26f3aca5b0e419b98f65dd36481337b86ee (MISC)
[debian-lts-announce] 20211015 [SECURITY] [DLA 2785-1] linux-4.19 security update (MLIST)
FEDORA-2021-4d4d3866ca ()
FEDORA-2021-54ee631709 ()
CVE: CVE-2021-35477
CVE: CVE-2021-35477
Id:
CVE-2021-35477
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35477
Comment
: In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because a certain preempting store operation does not necessarily occur before a store operation that has an attacker-controlled value.
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:
203 (Information Exposure Through Discrepancy)
References:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/patch/?id=f5e81d1117501546b7be050c5fbafa6efd2c722c (MISC)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/patch/?id=2039f26f3aca5b0e419b98f65dd36481337b86ee (MISC)
https://www.openwall.com/lists/oss-security/2021/08/01/3 (MISC)
[debian-lts-announce] 20211015 [SECURITY] [DLA 2785-1] linux-4.19 security update (MLIST)
FEDORA-2021-4d4d3866ca ()
FEDORA-2021-54ee631709 ()
CVE: CVE-2021-3640
CVE: CVE-2021-3640
Id:
CVE-2021-3640
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3640
Comment
: A flaw use-after-free in function sco_sock_sendmsg() of the Linux kernel HCI subsystem was found in the way user calls ioct UFFDIO_REGISTER or other way triggers race condition of the call sco_conn_del() together with the call sco_sock_sendmsg() with the expected controllable faulting memory page. A privileged local user could use this flaw to crash the system or escalate their privileges on the system.
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
Attack vector:
LOCAL
Attack complexity:
HIGH
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:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE:
362 (Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition'))
References:
https://github.com/torvalds/linux/commit/99c23da0eed4fd20cae8243f2b51e10e66aa0951 (MISC)
https://bugzilla.redhat.com/show_bug.cgi?id=1980646 (MISC)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/bluetooth/sco.c?h=v5.16&id=99c23da0eed4fd20cae8243f2b51e10e66aa0951 (MISC)
https://www.openwall.com/lists/oss-security/2021/07/22/1 (MISC)
https://ubuntu.com/security/CVE-2021-3640 (MISC)
[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update (MLIST)
[debian-lts-announce] 20220309 [SECURITY] [DLA 2940-1] linux security update (MLIST)
DSA-5096 (DEBIAN)
https://security.netapp.com/advisory/ntap-20220419-0003/ (CONFIRM)
CVE: CVE-2021-3653
CVE: CVE-2021-3653
Id:
CVE-2021-3653
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3653
Comment
: A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB (virtual machine control block) provided by the L1 guest to spawn/handle a nested guest (L2). Due to improper validation of the "int_ctl" field, this issue could allow a malicious L1 to enable AVIC support (Advanced Virtual Interrupt Controller) for the L2 guest. As a result, the L2 guest would be allowed to read/write physical pages of the host, resulting in a crash of the entire system, leak of sensitive data or potential guest-to-host escape. This flaw affects Linux kernel versions prior to 5.14-rc7.
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:
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:
862 (Missing Authorization)
References:
https://www.openwall.com/lists/oss-security/2021/08/16/1 (MISC)
https://bugzilla.redhat.com/show_bug.cgi?id=1983686 (MISC)
[debian-lts-announce] 20211015 [SECURITY] [DLA 2785-1] linux-4.19 security update (MLIST)
[debian-lts-announce] 20211216 [SECURITY] [DLA 2843-1] linux security update (MLIST)
http://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSN-0083-1.html (MISC)
CVE: CVE-2021-3656
CVE: CVE-2021-3656
Id:
CVE-2021-3656
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3656
Comment
: A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB (virtual machine control block) provided by the L1 guest to spawn/handle a nested guest (L2). Due to improper validation of the "virt_ext" field, this issue could allow a malicious L1 to disable both VMLOAD/VMSAVE intercepts and VLS (Virtual VMLOAD/VMSAVE) for the L2 guest. As a result, the L2 guest would be allowed to read/write physical pages of the host, resulting in a crash of the entire system, leak of sensitive data or potential guest-to-host escape.
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:
862 (Missing Authorization)
References:
https://www.openwall.com/lists/oss-security/2021/08/16/1 (MISC)
https://github.com/torvalds/linux/commit/c7dfa4009965a9b2d7b329ee970eb8da0d32f0bc (MISC)
https://bugzilla.redhat.com/show_bug.cgi?id=1983988 (MISC)
https://git.kernel.org/pub/scm/virt/kvm/kvm.git/commit/?id=c7dfa4009965a9b2d7b329ee970eb8da0d32f0bc (MISC)
CVE: CVE-2021-3679
CVE: CVE-2021-3679
Id:
CVE-2021-3679
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3679
Comment
: A lack of CPU resource in the Linux kernel tracing module functionality in versions prior to 5.14-rc3 was found in the way user uses trace ring buffer in a specific way. Only privileged local users (with CAP_SYS_ADMIN capability) could use this flaw to starve the resources causing denial of service.
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
CWE:
835 (Loop with Unreachable Exit Condition ('Infinite Loop'))
References:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=67f0d6d9883c13174669f88adac4f0ee656cc16a (MISC)
https://bugzilla.redhat.com/show_bug.cgi?id=1989165 (MISC)
DSA-4978 (DEBIAN)
[debian-lts-announce] 20211015 [SECURITY] [DLA 2785-1] linux-4.19 security update (MLIST)
[debian-lts-announce] 20211216 [SECURITY] [DLA 2843-1] linux security update (MLIST)
CVE: CVE-2021-3732
CVE: CVE-2021-3732
Id:
CVE-2021-3732
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3732
Comment
: A flaw was found in the Linux kernel's OverlayFS subsystem in the way the user mounts the TmpFS filesystem with OverlayFS. This flaw allows a local user to gain access to hidden files that should not be accessible.
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
References:
https://ubuntu.com/security/CVE-2021-3732 (MISC)
https://bugzilla.redhat.com/show_bug.cgi?id=1995249 (MISC)
https://github.com/torvalds/linux/commit/427215d85e8d1476da1a86b8d67aceb485eb3631 (MISC)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=427215d85e8d1476da1a86b8d67aceb485eb3631 (MISC)
CVE: CVE-2021-3753
CVE: CVE-2021-3753
Id:
CVE-2021-3753
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3753
Comment
: A race problem was seen in the vt_k_ioctl in drivers/tty/vt/vt_ioctl.c in the Linux kernel, which may cause an out of bounds read in vt as the write access to vc_mode is not protected by lock-in vt_ioctl (KDSETMDE). The highest threat from this vulnerability is to data confidentiality.
CVSSv2 Score:
1.9
Access vector:
LOCAL
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:L/AC:M/Au:N/C:P/I:N/A:N
CVSSv3 Score:
4.7
Attack vector:
LOCAL
Attack complexity:
HIGH
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:H/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE:
125 (Out-of-bounds Read)
References:
https://bugzilla.redhat.com/show_bug.cgi?id=1999589 (MISC)
https://www.openwall.com/lists/oss-security/2021/09/01/4 (MISC)
https://github.com/torvalds/linux/commit/2287a51ba822384834dafc1c798453375d1107c7 (MISC)
https://security.netapp.com/advisory/ntap-20221028-0003/ (CONFIRM)
CVE: CVE-2021-3759
CVE: CVE-2021-3759
Id:
CVE-2021-3759
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3759
Comment
: A memory overflow vulnerability was found in the Linux kernel’s ipc functionality of the memcg subsystem, in the way a user calls the semget function multiple times, creating semaphores. This flaw allows a local user to starve the resources, causing a denial of service. The highest threat from this vulnerability is to system availability.
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:
770 (Allocation of Resources Without Limits or Throttling)
References:
https://access.redhat.com/security/cve/CVE-2021-3759 (MISC)
https://bugzilla.redhat.com/show_bug.cgi?id=1999675 (MISC)
[debian-lts-announce] 20221222 [SECURITY] [DLA 3244-1] linux-5.10 security update (MLIST)
https://lore.kernel.org/linux-mm/1626333284-1404-1-git-send-email-nglaive%40gmail.com/ ()
CVE: CVE-2021-38160
CVE: CVE-2021-38160
Id:
CVE-2021-38160
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38160
Comment
: In drivers/char/virtio_console.c in the Linux kernel before 5.13.4, data corruption or loss can be triggered by an untrusted device that supplies a buf->len value exceeding the buffer size. NOTE: the vendor indicates that the cited data corruption is not a vulnerability in any existing use case; the length validation was added solely for robustness in the face of anomalous host OS behavior
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:
120 (Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'))
References:
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4 (MISC)
https://github.com/torvalds/linux/commit/d00d8da5869a2608e97cfede094dfc5e11462a46 (MISC)
https://access.redhat.com/security/cve/cve-2021-38160 (MISC)
https://security.netapp.com/advisory/ntap-20210902-0010/ (CONFIRM)
DSA-4978 (DEBIAN)
[debian-lts-announce] 20211015 [SECURITY] [DLA 2785-1] linux-4.19 security update (MLIST)
[debian-lts-announce] 20211216 [SECURITY] [DLA 2843-1] linux security update (MLIST)
CVE: CVE-2021-38198
CVE: CVE-2021-38198
Id:
CVE-2021-38198
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38198
Comment
: arch/x86/kvm/mmu/paging_tmpl.h in the Linux kernel before 5.12.11 incorrectly computes the access permissions of a shadow page, leading to a missing guest protection page fault.
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://github.com/torvalds/linux/commit/b1bd5cba3306691c771d558e94baa73e8b0b96b7 (MISC)
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.11 (MISC)
[debian-lts-announce] 20211015 [SECURITY] [DLA 2785-1] linux-4.19 security update (MLIST)
[debian-lts-announce] 20211216 [SECURITY] [DLA 2843-1] linux security update (MLIST)
CVE: CVE-2021-38204
CVE: CVE-2021-38204
Id:
CVE-2021-38204
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38204
Comment
: drivers/usb/host/max3421-hcd.c in the Linux kernel before 5.13.6 allows physically proximate attackers to cause a denial of service (use-after-free and panic) by removing a MAX-3421 USB device in certain situations.
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:
6.8
Attack vector:
PHYSICAL
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:P/AC:L/PR:N/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-5.13.6 (MISC)
https://github.com/torvalds/linux/commit/b5fdf5c6e6bee35837e160c00ac89327bdad031b (MISC)
[debian-lts-announce] 20211216 [SECURITY] [DLA 2843-1] linux security update (MLIST)
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