Memory leak in Linux kernel - CVE-2022-50007

Vulnerability identifier: #VU111398

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-50007

CWE-ID: CWE-401

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the __xfrm_policy_check() function in net/xfrm/xfrm_policy.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Live Patching
kgraft-patch-4_12_14-122_272-default
cluster-md-kmp-default
kernel-default-devel-debuginfo
kernel-default-man
kernel-macros
kernel-devel
kernel-source
dlm-kmp-default
gfs2-kmp-default-debuginfo
ocfs2-kmp-default-debuginfo
dlm-kmp-default-debuginfo
kernel-default-base
ocfs2-kmp-default
kernel-default
kernel-default-base-debuginfo
gfs2-kmp-default
kernel-syms
cluster-md-kmp-default-debuginfo
kernel-default-devel
kernel-default-debuginfo
kernel-default-kgraft-devel
kernel-default-debugsource
kernel-default-kgraft

Install update from vendor's repository.

Linux kernel - update to 5.19.6
kgraft-patch-4_12_14-122_272-default - update to 1-8.3.1
cluster-md-kmp-default - update to 4.12.14-122.272.1
kernel-default-devel-debuginfo - update to 4.12.14-122.272.1
kernel-default-man - update to 4.12.14-122.272.1
kernel-macros - update to 4.12.14-122.272.1
kernel-devel - update to 4.12.14-122.272.1
kernel-source - update to 4.12.14-122.272.1
dlm-kmp-default - update to 4.12.14-122.272.1
gfs2-kmp-default-debuginfo - update to 4.12.14-122.272.1
ocfs2-kmp-default-debuginfo - update to 4.12.14-122.272.1
dlm-kmp-default-debuginfo - update to 4.12.14-122.272.1
kernel-default-base - update to 4.12.14-122.272.1
ocfs2-kmp-default - update to 4.12.14-122.272.1
kernel-default - update to 4.12.14-122.272.1
kernel-default-base-debuginfo - update to 4.12.14-122.272.1
gfs2-kmp-default - update to 4.12.14-122.272.1
kernel-syms - update to 4.12.14-122.272.1
cluster-md-kmp-default-debuginfo - update to 4.12.14-122.272.1
kernel-default-devel - update to 4.12.14-122.272.1
kernel-default-debuginfo - update to 4.12.14-122.272.1
kernel-default-kgraft-devel - update to 4.12.14-122.272.1
kernel-default-debugsource - update to 4.12.14-122.272.1
kernel-default-kgraft - update to 4.12.14-122.272.1

• https://git.kernel.org/stable/c/0769491a8acd3e85ca4c3f65080eac2c824262df
• https://git.kernel.org/stable/c/1305d7d4f35ca6f214a2d23b075aa6a924cff3be
• https://git.kernel.org/stable/c/18e6b6e2555c93f5ca09f2b85ef1fa025c8accea
• https://git.kernel.org/stable/c/26ad2398fe4984f4f6f930bcb3bc9047fa77265b
• https://git.kernel.org/stable/c/63da7a2bbf3f28094920e0b8a17d2571a9bd842d
• https://git.kernel.org/stable/c/8f94b933103ee1bda119543369cc18a1be5536db
• https://git.kernel.org/stable/c/9c9cb23e00ddf45679b21b4dacc11d1ae7961ebe
• https://git.kernel.org/stable/c/d66c052879791313f90c0584420f196a038fb8b8
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.6

• Memory leak in Linux kernel xfrm
• SUSE update for the Linux Kernel