Race condition within a thread in Linux kernel - CVE-2022-49344

Vulnerability identifier: #VU104848

CSH Severity: Low

CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-49344

CWE-ID: CWE-366

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to corrupt data.

The vulnerability exists due to a data race within the unix_dgram_peer_wake_me() function in net/unix/af_unix.c. A local user can corrupt data.

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_255-default
kernel-default-devel
kernel-default-man
kernel-default-kgraft
kernel-default-kgraft-devel
kernel-macros
kernel-devel
kernel-source
kernel-default
kernel-default-debugsource
kernel-default-debuginfo
cluster-md-kmp-default
kernel-default-base-debuginfo
dlm-kmp-default
gfs2-kmp-default-debuginfo
cluster-md-kmp-default-debuginfo
kernel-default-devel-debuginfo
dlm-kmp-default-debuginfo
kernel-syms
gfs2-kmp-default
kernel-default-base
ocfs2-kmp-default-debuginfo
ocfs2-kmp-default

Install update from vendor's website.

Linux kernel - update to 5.15.47
kgraft-patch-4_12_14-122_255-default - update to 1-8.5.1
kernel-default-devel - update to 4.12.14-122.255.1
kernel-default-man - update to 4.12.14-122.255.1
kernel-default-kgraft - update to 4.12.14-122.255.1
kernel-default-kgraft-devel - update to 4.12.14-122.255.1
kernel-macros - update to 4.12.14-122.255.1
kernel-devel - update to 4.12.14-122.255.1
kernel-source - update to 4.12.14-122.255.1
kernel-default - update to 4.12.14-122.255.1
kernel-default-debugsource - update to 4.12.14-122.255.1
kernel-default-debuginfo - update to 4.12.14-122.255.1
cluster-md-kmp-default - update to 4.12.14-122.255.1
kernel-default-base-debuginfo - update to 4.12.14-122.255.1
dlm-kmp-default - update to 4.12.14-122.255.1
gfs2-kmp-default-debuginfo - update to 4.12.14-122.255.1
cluster-md-kmp-default-debuginfo - update to 4.12.14-122.255.1
kernel-default-devel-debuginfo - update to 4.12.14-122.255.1
dlm-kmp-default-debuginfo - update to 4.12.14-122.255.1
kernel-syms - update to 4.12.14-122.255.1
gfs2-kmp-default - update to 4.12.14-122.255.1
kernel-default-base - update to 4.12.14-122.255.1
ocfs2-kmp-default-debuginfo - update to 4.12.14-122.255.1
ocfs2-kmp-default - update to 4.12.14-122.255.1

• https://git.kernel.org/stable/c/556720013c36c193d9cbfb06e7b33e51f0c39fbf
• https://git.kernel.org/stable/c/662a80946ce13633ae90a55379f1346c10f0c432
• https://git.kernel.org/stable/c/71e8bfc7f838cabc60cba24e09ca84c4f8321ab2
• https://git.kernel.org/stable/c/8801eb3ccd2e4e3b1a01449383e3321ae6dbd9d6
• https://git.kernel.org/stable/c/95f0ba806277733bf6024e23e27e1be773701cca
• https://git.kernel.org/stable/c/c61848500a3fd6867dfa4834b8c7f97133eceb9f
• https://git.kernel.org/stable/c/c926ae58f24f7bd55aa2ea4add9f952032507913
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.47

• Race condition within a thread in Linux kernel unix
• SUSE update for the Linux Kernel