Memory leak in Linux kernel - CVE-2022-49979

Vulnerability identifier: #VU111409

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-2022-49979

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 sk_psock_init() function in net/core/skmsg.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Live Patching
openSUSE Leap
kernel-livepatch-SLE15-SP5_Update_40-debugsource
kernel-livepatch-5_14_21-150500_55_166-default-debuginfo
kernel-livepatch-5_14_21-150500_55_166-default
kernel-rt-debuginfo
dlm-kmp-rt-debuginfo
reiserfs-kmp-rt
cluster-md-kmp-rt-debuginfo
kernel-rt_debug-debugsource
kernel-rt-debugsource
kselftests-kmp-rt
kernel-rt-extra-debuginfo
reiserfs-kmp-rt-debuginfo
kernel-rt-livepatch-devel
kernel-devel-rt
kernel-rt-livepatch
gfs2-kmp-rt
kernel-rt_debug-devel
kernel-rt-devel
kselftests-kmp-rt-debuginfo
kernel-rt-extra
kernel-rt_debug-devel-debuginfo
kernel-rt-optional
kernel-source-rt
kernel-rt_debug
kernel-rt
ocfs2-kmp-rt-debuginfo
kernel-rt_debug-vdso-debuginfo
kernel-rt-devel-debuginfo
kernel-rt-vdso-debuginfo
kernel-rt-optional-debuginfo
ocfs2-kmp-rt
kernel-rt_debug-vdso
kernel-rt_debug-debuginfo
cluster-md-kmp-rt
kernel-syms-rt
dlm-kmp-rt
kernel-rt-vdso
gfs2-kmp-rt-debuginfo
kernel-64kb-extra-debuginfo
dtb-amazon
dtb-mediatek
dtb-altera
kernel-64kb-optional-debuginfo
dlm-kmp-64kb-debuginfo
dtb-apple
reiserfs-kmp-64kb
dtb-allwinner
dtb-qcom
dtb-apm
kselftests-kmp-64kb
dtb-freescale
kernel-64kb-extra
dtb-arm
dtb-rockchip
reiserfs-kmp-64kb-debuginfo
dtb-socionext
dtb-marvell
dtb-amlogic
ocfs2-kmp-64kb
ocfs2-kmp-64kb-debuginfo
dtb-amd
cluster-md-kmp-64kb
dtb-sprd
dtb-xilinx
dtb-exynos
dtb-cavium
cluster-md-kmp-64kb-debuginfo
kernel-default
kernel-default-livepatch-devel
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
kernel-zfcpdump
reiserfs-kmp-default
reiserfs-kmp-default-debuginfo
kernel-64kb-devel-debuginfo
kernel-64kb-debuginfo
kernel-64kb-debugsource
kernel-64kb-devel
kernel-64kb
kernel-docs
kernel-macros
kernel-devel
kernel-source
kernel-default-livepatch
ocfs2-kmp-default
dlm-kmp-default-debuginfo
kernel-default-debugsource
gfs2-kmp-default
kernel-obs-build
gfs2-kmp-default-debuginfo
ocfs2-kmp-default-debuginfo
kernel-default-devel-debuginfo
kernel-syms
cluster-md-kmp-default
dlm-kmp-default
kernel-default-debuginfo
cluster-md-kmp-default-debuginfo
kernel-obs-build-debugsource
kernel-kvmsmall-vdso-debuginfo
kernel-default-devel
dtb-hisilicon
dlm-kmp-64kb
dtb-nvidia
kernel-64kb-optional
kselftests-kmp-64kb-debuginfo
gfs2-kmp-64kb
dtb-lg
gfs2-kmp-64kb-debuginfo
dtb-broadcom
dtb-aarch64
kernel-kvmsmall
kernel-kvmsmall-vdso
kernel-default-vdso-debuginfo
dtb-renesas
kernel-default-vdso
kselftests-kmp-default-debuginfo
kernel-default-extra-debuginfo
kernel-obs-qa
kselftests-kmp-default
kernel-default-optional-debuginfo
kernel-default-optional
kernel-default-extra
kernel-kvmsmall-devel
kernel-kvmsmall-debuginfo
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-debugsource
kernel-docs-html
kernel-source-vanilla
kernel-default-base-rebuild
kernel-default-base

Install update from vendor's repository.

Linux kernel - update to 5.15.65
kernel-livepatch-SLE15-SP5_Update_40-debugsource - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_55_166-default-debuginfo - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_55_166-default - update to 1-150500.11.3.1
kernel-rt-debuginfo - update to 5.14.21-150500.13.140.1
dlm-kmp-rt-debuginfo - update to 5.14.21-150500.13.140.1
reiserfs-kmp-rt - update to 5.14.21-150500.13.140.1
cluster-md-kmp-rt-debuginfo - update to 5.14.21-150500.13.140.1
kernel-rt_debug-debugsource - update to 5.14.21-150500.13.140.1
kernel-rt-debugsource - update to 5.14.21-150500.13.140.1
kselftests-kmp-rt - update to 5.14.21-150500.13.140.1
kernel-rt-extra-debuginfo - update to 5.14.21-150500.13.140.1
reiserfs-kmp-rt-debuginfo - update to 5.14.21-150500.13.140.1
kernel-rt-livepatch-devel - update to 5.14.21-150500.13.140.1
kernel-devel-rt - update to 5.14.21-150500.13.140.1
kernel-rt-livepatch - update to 5.14.21-150500.13.140.1
gfs2-kmp-rt - update to 5.14.21-150500.13.140.1
kernel-rt_debug-devel - update to 5.14.21-150500.13.140.1
kernel-rt-devel - update to 5.14.21-150500.13.140.1
kselftests-kmp-rt-debuginfo - update to 5.14.21-150500.13.140.1
kernel-rt-extra - update to 5.14.21-150500.13.140.1
kernel-rt_debug-devel-debuginfo - update to 5.14.21-150500.13.140.1
kernel-rt-optional - update to 5.14.21-150500.13.140.1
kernel-source-rt - update to 5.14.21-150500.13.140.1
kernel-rt_debug - update to 5.14.21-150500.13.140.1
kernel-rt - update to 5.14.21-150500.13.140.1
ocfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.140.1
kernel-rt_debug-vdso-debuginfo - update to 5.14.21-150500.13.140.1
kernel-rt-devel-debuginfo - update to 5.14.21-150500.13.140.1
kernel-rt-vdso-debuginfo - update to 5.14.21-150500.13.140.1
kernel-rt-optional-debuginfo - update to 5.14.21-150500.13.140.1
ocfs2-kmp-rt - update to 5.14.21-150500.13.140.1
kernel-rt_debug-vdso - update to 5.14.21-150500.13.140.1
kernel-rt_debug-debuginfo - update to 5.14.21-150500.13.140.1
cluster-md-kmp-rt - update to 5.14.21-150500.13.140.1
kernel-syms-rt - update to 5.14.21-150500.13.140.1
dlm-kmp-rt - update to 5.14.21-150500.13.140.1
kernel-rt-vdso - update to 5.14.21-150500.13.140.1
gfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.140.1
kernel-64kb-extra-debuginfo - update to 5.14.21-150500.55.166.1
dtb-amazon - update to 5.14.21-150500.55.166.1
dtb-mediatek - update to 5.14.21-150500.55.166.1
dtb-altera - update to 5.14.21-150500.55.166.1
kernel-64kb-optional-debuginfo - update to 5.14.21-150500.55.166.1
dlm-kmp-64kb-debuginfo - update to 5.14.21-150500.55.166.1
dtb-apple - update to 5.14.21-150500.55.166.1
reiserfs-kmp-64kb - update to 5.14.21-150500.55.166.1
dtb-allwinner - update to 5.14.21-150500.55.166.1
dtb-qcom - update to 5.14.21-150500.55.166.1
dtb-apm - update to 5.14.21-150500.55.166.1
kselftests-kmp-64kb - update to 5.14.21-150500.55.166.1
dtb-freescale - update to 5.14.21-150500.55.166.1
kernel-64kb-extra - update to 5.14.21-150500.55.166.1
dtb-arm - update to 5.14.21-150500.55.166.1
dtb-rockchip - update to 5.14.21-150500.55.166.1
reiserfs-kmp-64kb-debuginfo - update to 5.14.21-150500.55.166.1
dtb-socionext - update to 5.14.21-150500.55.166.1
dtb-marvell - update to 5.14.21-150500.55.166.1
dtb-amlogic - update to 5.14.21-150500.55.166.1
ocfs2-kmp-64kb - update to 5.14.21-150500.55.166.1
ocfs2-kmp-64kb-debuginfo - update to 5.14.21-150500.55.166.1
dtb-amd - update to 5.14.21-150500.55.166.1
cluster-md-kmp-64kb - update to 5.14.21-150500.55.166.1
dtb-sprd - update to 5.14.21-150500.55.166.1
dtb-xilinx - update to 5.14.21-150500.55.166.1
dtb-exynos - update to 5.14.21-150500.55.166.1
dtb-cavium - update to 5.14.21-150500.55.166.1
cluster-md-kmp-64kb-debuginfo - update to 5.14.21-150500.55.166.1
kernel-default - update to 5.14.21-150500.55.166.1
kernel-default-livepatch-devel - update to 5.14.21-150500.55.166.1
kernel-zfcpdump-debuginfo - update to 5.14.21-150500.55.166.1
kernel-zfcpdump-debugsource - update to 5.14.21-150500.55.166.1
kernel-zfcpdump - update to 5.14.21-150500.55.166.1
reiserfs-kmp-default - update to 5.14.21-150500.55.166.1
reiserfs-kmp-default-debuginfo - update to 5.14.21-150500.55.166.1
kernel-64kb-devel-debuginfo - update to 5.14.21-150500.55.166.1
kernel-64kb-debuginfo - update to 5.14.21-150500.55.166.1
kernel-64kb-debugsource - update to 5.14.21-150500.55.166.1
kernel-64kb-devel - update to 5.14.21-150500.55.166.1
kernel-64kb - update to 5.14.21-150500.55.166.1
kernel-docs - update to 5.14.21-150500.55.166.1
kernel-macros - update to 5.14.21-150500.55.166.1
kernel-devel - update to 5.14.21-150500.55.166.1
kernel-source - update to 5.14.21-150500.55.166.1
kernel-default-livepatch - update to 5.14.21-150500.55.166.1
ocfs2-kmp-default - update to 5.14.21-150500.55.166.1
dlm-kmp-default-debuginfo - update to 5.14.21-150500.55.166.1
kernel-default-debugsource - update to 5.14.21-150500.55.166.1
gfs2-kmp-default - update to 5.14.21-150500.55.166.1
kernel-obs-build - update to 5.14.21-150500.55.166.1
gfs2-kmp-default-debuginfo - update to 5.14.21-150500.55.166.1
ocfs2-kmp-default-debuginfo - update to 5.14.21-150500.55.166.1
kernel-default-devel-debuginfo - update to 5.14.21-150500.55.166.1
kernel-syms - update to 5.14.21-150500.55.166.1
cluster-md-kmp-default - update to 5.14.21-150500.55.166.1
dlm-kmp-default - update to 5.14.21-150500.55.166.1
kernel-default-debuginfo - update to 5.14.21-150500.55.166.1
cluster-md-kmp-default-debuginfo - update to 5.14.21-150500.55.166.1
kernel-obs-build-debugsource - update to 5.14.21-150500.55.166.1
kernel-kvmsmall-vdso-debuginfo - update to 5.14.21-150500.55.166.1
kernel-default-devel - update to 5.14.21-150500.55.166.1
dtb-hisilicon - update to 5.14.21-150500.55.166.1
dlm-kmp-64kb - update to 5.14.21-150500.55.166.1
dtb-nvidia - update to 5.14.21-150500.55.166.1
kernel-64kb-optional - update to 5.14.21-150500.55.166.1
kselftests-kmp-64kb-debuginfo - update to 5.14.21-150500.55.166.1
gfs2-kmp-64kb - update to 5.14.21-150500.55.166.1
dtb-lg - update to 5.14.21-150500.55.166.1
gfs2-kmp-64kb-debuginfo - update to 5.14.21-150500.55.166.1
dtb-broadcom - update to 5.14.21-150500.55.166.1
dtb-aarch64 - update to 5.14.21-150500.55.166.1
kernel-kvmsmall - update to 5.14.21-150500.55.166.1
kernel-kvmsmall-vdso - update to 5.14.21-150500.55.166.1
kernel-default-vdso-debuginfo - update to 5.14.21-150500.55.166.1
dtb-renesas - update to 5.14.21-150500.55.166.1
kernel-default-vdso - update to 5.14.21-150500.55.166.1
kselftests-kmp-default-debuginfo - update to 5.14.21-150500.55.166.1
kernel-default-extra-debuginfo - update to 5.14.21-150500.55.166.1
kernel-obs-qa - update to 5.14.21-150500.55.166.1
kselftests-kmp-default - update to 5.14.21-150500.55.166.1
kernel-default-optional-debuginfo - update to 5.14.21-150500.55.166.1
kernel-default-optional - update to 5.14.21-150500.55.166.1
kernel-default-extra - update to 5.14.21-150500.55.166.1
kernel-kvmsmall-devel - update to 5.14.21-150500.55.166.1
kernel-kvmsmall-debuginfo - update to 5.14.21-150500.55.166.1
kernel-kvmsmall-devel-debuginfo - update to 5.14.21-150500.55.166.1
kernel-kvmsmall-debugsource - update to 5.14.21-150500.55.166.1
kernel-docs-html - update to 5.14.21-150500.55.166.1
kernel-source-vanilla - update to 5.14.21-150500.55.166.1
kernel-default-base-rebuild - update to 5.14.21-150500.55.166.1.150500.6.77.1
kernel-default-base - update to 5.14.21-150500.55.166.1.150500.6.77.1

• https://git.kernel.org/stable/c/2a0133723f9ebeb751cfce19f74ec07e108bef1f
• https://git.kernel.org/stable/c/61cc798591a36ca27eb7d8d6c09bf20e50a59968
• https://git.kernel.org/stable/c/86026be8535c16fcc5e4f960286faf04d7f77815
• https://git.kernel.org/stable/c/a5d1cb908131e939bd8b63b8e5e23365bbc2edaf
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.65

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