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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:249100
[Rus]
Version
1
Class
patch
ALTXid
479217
Language
English
Severity
High
Title
USN-6626-3 -- Linux kernel (Azure) vulnerabilities
Description
Quentin Minster discovered that a race condition existed in the KSMBD
implementation in the Linux kernel when handling sessions operations. A
remote attacker could use this to cause a denial of service (system crash)
or possibly execute arbitrary code. (CVE-2023-32250, CVE-2023-32252,
CVE-2023-32257)
Family
unix
Platform
Linux Mint 20.x
Ubuntu 20.04
Ubuntu 22.04
Product
linux-azure
Reference
VENDOR: USN-6626-3
VENDOR: USN-6626-3
Id:
USN-6626-3
Reference:
https://ubuntu.com/security/notices/USN-6626-3
CVE: CVE-2023-32250
CVE: CVE-2023-32250
Id:
CVE-2023-32250
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-32250
Comment
: A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the processing of SMB2_SESSION_SETUP commands. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this vulnerability to execute code in the context of the kernel.
CVSSv3 Score:
8.1
Attack vector:
NETWORK
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:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE:
362 (Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition'))
References:
https://bugzilla.redhat.com/show_bug.cgi?id=2208849 (MISC)
https://access.redhat.com/security/cve/CVE-2023-32250 (MISC)
https://www.zerodayinitiative.com/advisories/ZDI-23-698/ (MISC)
https://security.netapp.com/advisory/ntap-20230824-0004/ (MISC)
CVE: CVE-2023-32252
CVE: CVE-2023-32252
Id:
CVE-2023-32252
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-32252
Comment
: A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the handling of SMB2_LOGOFF commands. The issue results from the lack of proper validation of a pointer prior to accessing it. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.
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:
476 (NULL Pointer Dereference)
References:
https://www.zerodayinitiative.com/advisories/ZDI-CAN-20590/ (MISC)
https://bugzilla.redhat.com/show_bug.cgi?id=2219815 (MISC)
https://access.redhat.com/security/cve/CVE-2023-32252 (MISC)
https://security.netapp.com/advisory/ntap-20231124-0001/ ()
CVE: CVE-2023-32257
CVE: CVE-2023-32257
Id:
CVE-2023-32257
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-32257
Comment
: A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the processing of SMB2_SESSION_SETUP and SMB2_LOGOFF commands. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this vulnerability to execute code in the context of the kernel.
CVSSv3 Score:
8.1
Attack vector:
NETWORK
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:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE:
667 (Improper Locking)
References:
https://www.zerodayinitiative.com/advisories/ZDI-CAN-20596/ (MISC)
https://bugzilla.redhat.com/show_bug.cgi?id=2219806 (MISC)
https://access.redhat.com/security/cve/CVE-2023-32257 (MISC)
https://security.netapp.com/advisory/ntap-20230915-0011/ (MISC)
CVE: CVE-2023-34324
CVE: CVE-2023-34324
Id:
CVE-2023-34324
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-34324
Comment
: Closing of an event channel in the Linux kernel can result in a deadlock. This happens when the close is being performed in parallel to an unrelated Xen console action and the handling of a Xen console interrupt in an unprivileged guest. The closing of an event channel is e.g. triggered by removal of a paravirtual device on the other side. As this action will cause console messages to be issued on the other side quite often, the chance of triggering the deadlock is not neglectable. Note that 32-bit Arm-guests are not affected, as the 32-bit Linux kernel on Arm doesn't use queued-RW-locks, which are required to trigger the issue (on Arm32 a waiting writer doesn't block further readers to get the lock).
CVSSv3 Score:
4.9
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
HIGH
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE:
400 (Uncontrolled Resource Consumption ('Resource Exhaustion'))
References:
https://xenbits.xenproject.org/xsa/advisory-441.html ()
https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html ()
https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html ()
CVE: CVE-2023-35827
CVE: CVE-2023-35827
Id:
CVE-2023-35827
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-35827
Comment
: An issue was discovered in the Linux kernel through 6.3.8. A use-after-free was found in ravb_remove in drivers/net/ethernet/renesas/ravb_main.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://www.spinics.net/lists/netdev/msg886947.html (MISC)
https://security.netapp.com/advisory/ntap-20230803-0003/ (CONFIRM)
https://lore.kernel.org/lkml/cca0b40b-d6f8-54c7-1e46-83cb62d0a2f1%40huawei.com/T/ ()
[debian-lts-announce] 20240111 [SECURITY] [DLA 3711-1] linux-5.10 security update ()
CVE: CVE-2023-46813
CVE: CVE-2023-46813
Id:
CVE-2023-46813
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-46813
Comment
: An issue was discovered in the Linux kernel before 6.5.9, exploitable by local users with userspace access to MMIO registers. Incorrect access checking in the #VC handler and instruction emulation of the SEV-ES emulation of MMIO accesses could lead to arbitrary write access to kernel memory (and thus privilege escalation). This depends on a race condition through which userspace can replace an instruction before the #VC handler reads it.
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:
CWE-Other ()
References:
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.9 (MISC)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b9cb9c45583b911e0db71d09caa6b56469eb2bdf (MISC)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=63e44bc52047f182601e7817da969a105aa1f721 (MISC)
https://bugzilla.suse.com/show_bug.cgi?id=1212649 (MISC)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a37cd2a59d0cb270b1bba568fd3a3b8668b9d3ba (MISC)
[debian-lts-announce] 20240111 [SECURITY] [DLA 3711-1] linux-5.10 security update ()
CVE: CVE-2023-6039
CVE: CVE-2023-6039
Id:
CVE-2023-6039
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6039
Comment
: A use-after-free flaw was found in lan78xx_disconnect in drivers/net/usb/lan78xx.c in the network sub-component, net/usb/lan78xx in the Linux Kernel. This flaw allows a local attacker to crash the system when the LAN78XX USB device detaches.
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:
416 (Use After Free)
References:
https://access.redhat.com/security/cve/CVE-2023-6039 ()
RHBZ#2248755 ()
https://github.com/torvalds/linux/commit/1e7417c188d0a83fb385ba2dbe35fd2563f2b6f3 ()
CVE: CVE-2023-6176
CVE: CVE-2023-6176
Id:
CVE-2023-6176
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6176
Comment
: A null pointer dereference flaw was found in the Linux kernel API for the cryptographic algorithm scatterwalk functionality. This issue occurs when a user constructs a malicious packet with specific socket configuration, which could allow a local user to crash the system or escalate their privileges on the system.
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:
476 (NULL Pointer Dereference)
References:
https://access.redhat.com/security/cve/CVE-2023-6176 ()
RHBZ#2219359 ()
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cfaa80c91f6f99b9342b6557f0f0e1143e434066 ()
http://packetstormsecurity.com/files/177029/Kernel-Live-Patch-Security-Notice-LSN-0100-1.html ()
RHSA-2024:2394 ()
CVE: CVE-2023-6622
CVE: CVE-2023-6622
Id:
CVE-2023-6622
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6622
Comment
: A null pointer dereference vulnerability was found in nft_dynset_init() in net/netfilter/nft_dynset.c in nf_tables in the Linux kernel. This issue may allow a local attacker with CAP_NET_ADMIN user privilege to trigger a denial of service.
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:
476 (NULL Pointer Dereference)
References:
https://access.redhat.com/security/cve/CVE-2023-6622 ()
RHBZ#2253632 ()
https://github.com/torvalds/linux/commit/3701cd390fd731ee7ae8b8006246c8db82c72bea ()
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G3AGDVE3KBLOOYBPISFDS74R4YAZEDAY/ ()
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AAOVK2F3ALGKYIQ5IOMAYEC2DGI7BWAW/ ()
RHSA-2024:2394 ()
CVE: CVE-2024-0641
CVE: CVE-2024-0641
Id:
CVE-2024-0641
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-0641
Comment
: A denial of service vulnerability was found in tipc_crypto_key_revoke in net/tipc/crypto.c in the Linux kernel’s TIPC subsystem. This flaw allows guests with local user privileges to trigger a deadlock and potentially crash the system.
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://access.redhat.com/security/cve/CVE-2024-0641 ()
RHBZ#2258757 ()
https://github.com/torvalds/linux/commit/08e50cf071847323414df0835109b6f3560d44f5 ()
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