Memory leak in Linux kernel - CVE-2022-50566

Vulnerability identifier: #VU117561

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-2022-50566

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 add_mtd_device() function in drivers/mtd/mtdcore.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
SUSE Linux Enterprise Server 15 SP5
SUSE Manager Retail Branch Server 4.3
SUSE Manager Proxy 4.3
SUSE Manager Server 4.3
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Manager Server
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
SUSE Linux Enterprise Live Patching
openSUSE Leap
openEuler
kernel-livepatch-SLE15-SP4_Update_46-debugsource
kernel-livepatch-5_14_21-150400_24_184-default-debuginfo
kernel-livepatch-5_14_21-150400_24_184-default
kernel-livepatch-5_14_21-150500_55_127-default-debuginfo
kernel-livepatch-5_14_21-150500_55_127-default
kernel-livepatch-SLE15-SP5_Update_32-debugsource
perf-debuginfo
kernel
python3-perf-debuginfo
python3-perf
python2-perf-debuginfo
python2-perf
perf
kernel-tools-devel
kernel-tools-debuginfo
kernel-tools
kernel-source
kernel-devel
kernel-debugsource
kernel-debuginfo
bpftool-debuginfo
bpftool
kernel-rt-debuginfo
kernel-source-rt
kernel-rt-debugsource
kernel-rt
dtb-arm
kernel-64kb-debugsource
cluster-md-kmp-64kb
dtb-marvell
dtb-xilinx
dtb-amazon
dtb-hisilicon
dtb-mediatek
dtb-rockchip
dtb-socionext
dtb-broadcom
gfs2-kmp-64kb
kernel-64kb-debuginfo
gfs2-kmp-64kb-debuginfo
dtb-exynos
ocfs2-kmp-64kb
dlm-kmp-64kb-debuginfo
kernel-64kb-optional-debuginfo
kernel-64kb-devel
reiserfs-kmp-64kb
kernel-64kb
dtb-apm
dtb-amd
dtb-nvidia
ocfs2-kmp-64kb-debuginfo
dtb-renesas
dtb-qcom
dtb-amlogic
dtb-altera
kernel-64kb-devel-debuginfo
reiserfs-kmp-64kb-debuginfo
dtb-allwinner
dtb-sprd
kselftests-kmp-64kb-debuginfo
dlm-kmp-64kb
kernel-64kb-extra-debuginfo
cluster-md-kmp-64kb-debuginfo
kselftests-kmp-64kb
dtb-cavium
dtb-apple
kernel-64kb-optional
dlm-kmp-default
kernel-default-extra
kernel-syms
ocfs2-kmp-default-debuginfo
ocfs2-kmp-default
kernel-obs-build
kernel-obs-build-debugsource
kernel-default-devel-debuginfo
kernel-default-livepatch
kselftests-kmp-default-debuginfo
dlm-kmp-default-debuginfo
cluster-md-kmp-default
dtb-lg
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-debugsource
kernel-kvmsmall-devel
kernel-kvmsmall-debuginfo
kernel-macros
kernel-source-vanilla
kernel-docs-html
kernel-docs
kernel-default-devel
dtb-freescale
dtb-aarch64
kernel-zfcpdump-debugsource
kernel-zfcpdump-debuginfo
kernel-zfcpdump
kernel-kvmsmall
cluster-md-kmp-default-debuginfo
kernel-default-livepatch-devel
kernel-64kb-extra
kernel-default
kernel-default-optional-debuginfo
kernel-default-debuginfo
gfs2-kmp-default
kselftests-kmp-default
reiserfs-kmp-default
kernel-default-debugsource
kernel-obs-qa
kernel-default-extra-debuginfo
reiserfs-kmp-default-debuginfo
kernel-default-optional
gfs2-kmp-default-debuginfo
kernel-default-base-rebuild
kernel-default-base
reiserfs-kmp-rt-debuginfo
kernel-rt-vdso-debuginfo
gfs2-kmp-rt-debuginfo
cluster-md-kmp-rt
reiserfs-kmp-rt
dlm-kmp-rt
kernel-rt_debug-devel
dlm-kmp-rt-debuginfo
kernel-rt-extra-debuginfo
kernel-rt-vdso
kernel-rt-optional-debuginfo
kernel-rt_debug-devel-debuginfo
kselftests-kmp-rt-debuginfo
kernel-rt_debug
kernel-syms-rt
ocfs2-kmp-rt
kernel-devel-rt
kernel-rt_debug-debugsource
kernel-rt_debug-debuginfo
cluster-md-kmp-rt-debuginfo
kernel-rt-devel-debuginfo
gfs2-kmp-rt
kernel-rt-extra
kernel-rt-devel
kselftests-kmp-rt
kernel-rt-livepatch-devel
kernel-rt-optional
kernel-rt-livepatch
kernel-rt_debug-vdso
ocfs2-kmp-rt-debuginfo
kernel-rt_debug-vdso-debuginfo
kernel-default-vdso-debuginfo
kernel-default-vdso
kernel-kvmsmall-vdso
kernel-kvmsmall-vdso-debuginfo

Install update from vendor's repository.

Linux kernel - update to 5.4.229
kernel-livepatch-SLE15-SP4_Update_46-debugsource - update to 1-150400.9.5.1
kernel-livepatch-5_14_21-150400_24_184-default-debuginfo - update to 1-150400.9.5.1
kernel-livepatch-5_14_21-150400_24_184-default - update to 1-150400.9.5.1
kernel-livepatch-5_14_21-150500_55_127-default-debuginfo - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_55_127-default - update to 1-150500.11.3.1
kernel-livepatch-SLE15-SP5_Update_32-debugsource - update to 1-150500.11.3.1
perf-debuginfo - update to 4.19.90-2510.4.0.0349
kernel - update to 4.19.90-2510.4.0.0349
python3-perf-debuginfo - update to 4.19.90-2510.4.0.0349
python3-perf - update to 4.19.90-2510.4.0.0349
python2-perf-debuginfo - update to 4.19.90-2510.4.0.0349
python2-perf - update to 4.19.90-2510.4.0.0349
perf - update to 4.19.90-2510.4.0.0349
kernel-tools-devel - update to 4.19.90-2510.4.0.0349
kernel-tools-debuginfo - update to 4.19.90-2510.4.0.0349
kernel-tools - update to 4.19.90-2510.4.0.0349
kernel-source - update to 4.19.90-2510.4.0.0349
kernel-devel - update to 4.19.90-2510.4.0.0349
kernel-debugsource - update to 4.19.90-2510.4.0.0349
kernel-debuginfo - update to 4.19.90-2510.4.0.0349
bpftool-debuginfo - update to 4.19.90-2510.4.0.0349
bpftool - update to 4.19.90-2510.4.0.0349
kernel-rt-debuginfo - addressed in versions 5.14.21-150400.15.136.1, 5.14.21-150500.13.112.1
kernel-source-rt - addressed in versions 5.14.21-150400.15.136.1, 5.14.21-150500.13.112.1
kernel-rt-debugsource - addressed in versions 5.14.21-150400.15.136.1, 5.14.21-150500.13.112.1
kernel-rt - addressed in versions 5.14.21-150400.15.136.1, 5.14.21-150500.13.112.1
dtb-arm - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-64kb-debugsource - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
cluster-md-kmp-64kb - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-marvell - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-xilinx - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-amazon - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-hisilicon - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-mediatek - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-rockchip - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-socionext - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-broadcom - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
gfs2-kmp-64kb - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-64kb-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
gfs2-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-exynos - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
ocfs2-kmp-64kb - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dlm-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-64kb-optional-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-64kb-devel - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
reiserfs-kmp-64kb - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-64kb - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-apm - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-amd - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-nvidia - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
ocfs2-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-renesas - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-qcom - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-amlogic - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-altera - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-64kb-devel-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
reiserfs-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-allwinner - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-sprd - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kselftests-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dlm-kmp-64kb - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-64kb-extra-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
cluster-md-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kselftests-kmp-64kb - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-cavium - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-apple - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-64kb-optional - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dlm-kmp-default - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default-extra - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-syms - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
ocfs2-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
ocfs2-kmp-default - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-obs-build - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-obs-build-debugsource - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default-devel-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default-livepatch - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kselftests-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dlm-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
cluster-md-kmp-default - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-lg - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-kvmsmall-devel-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-kvmsmall-debugsource - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-kvmsmall-devel - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-kvmsmall-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-source - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-macros - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-devel - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-source-vanilla - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-docs-html - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-docs - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default-devel - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-freescale - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-aarch64 - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-zfcpdump-debugsource - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-zfcpdump-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-zfcpdump - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-kvmsmall - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
cluster-md-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default-livepatch-devel - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-64kb-extra - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default-optional-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
gfs2-kmp-default - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kselftests-kmp-default - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
reiserfs-kmp-default - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default-debugsource - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-obs-qa - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default-extra-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
reiserfs-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default-optional - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
gfs2-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default-base-rebuild - addressed in versions 5.14.21-150400.24.184.1.150400.24.94.2, 5.14.21-150500.55.127.1.150500.6.61.1
kernel-default-base - addressed in versions 5.14.21-150400.24.184.1.150400.24.94.2, 5.14.21-150500.55.127.1.150500.6.61.1
reiserfs-kmp-rt-debuginfo - update to 5.14.21-150500.13.112.1
kernel-rt-vdso-debuginfo - update to 5.14.21-150500.13.112.1
gfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.112.1
cluster-md-kmp-rt - update to 5.14.21-150500.13.112.1
reiserfs-kmp-rt - update to 5.14.21-150500.13.112.1
dlm-kmp-rt - update to 5.14.21-150500.13.112.1
kernel-rt_debug-devel - update to 5.14.21-150500.13.112.1
dlm-kmp-rt-debuginfo - update to 5.14.21-150500.13.112.1
kernel-rt-extra-debuginfo - update to 5.14.21-150500.13.112.1
kernel-rt-vdso - update to 5.14.21-150500.13.112.1
kernel-rt-optional-debuginfo - update to 5.14.21-150500.13.112.1
kernel-rt_debug-devel-debuginfo - update to 5.14.21-150500.13.112.1
kselftests-kmp-rt-debuginfo - update to 5.14.21-150500.13.112.1
kernel-rt_debug - update to 5.14.21-150500.13.112.1
kernel-syms-rt - update to 5.14.21-150500.13.112.1
ocfs2-kmp-rt - update to 5.14.21-150500.13.112.1
kernel-devel-rt - update to 5.14.21-150500.13.112.1
kernel-rt_debug-debugsource - update to 5.14.21-150500.13.112.1
kernel-rt_debug-debuginfo - update to 5.14.21-150500.13.112.1
cluster-md-kmp-rt-debuginfo - update to 5.14.21-150500.13.112.1
kernel-rt-devel-debuginfo - update to 5.14.21-150500.13.112.1
gfs2-kmp-rt - update to 5.14.21-150500.13.112.1
kernel-rt-extra - update to 5.14.21-150500.13.112.1
kernel-rt-devel - update to 5.14.21-150500.13.112.1
kselftests-kmp-rt - update to 5.14.21-150500.13.112.1
kernel-rt-livepatch-devel - update to 5.14.21-150500.13.112.1
kernel-rt-optional - update to 5.14.21-150500.13.112.1
kernel-rt-livepatch - update to 5.14.21-150500.13.112.1
kernel-rt_debug-vdso - update to 5.14.21-150500.13.112.1
ocfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.112.1
kernel-rt_debug-vdso-debuginfo - update to 5.14.21-150500.13.112.1
kernel-default-vdso-debuginfo - update to 5.14.21-150500.55.127.1
kernel-default-vdso - update to 5.14.21-150500.55.127.1
kernel-kvmsmall-vdso - update to 5.14.21-150500.55.127.1
kernel-kvmsmall-vdso-debuginfo - update to 5.14.21-150500.55.127.1

• https://git.kernel.org/stable/c/1b172fb05d6315ecec082fd7544a3390e96f0d7e
• https://git.kernel.org/stable/c/2302e2dc42b1f84f951c725ce742fc21c5a1e151
• https://git.kernel.org/stable/c/330bc5533e8a8ed69cb951d5a8edce9bddb9db21
• https://git.kernel.org/stable/c/71212d73184845c944ef1b43f092e643e5bde003
• https://git.kernel.org/stable/c/895d68a39481a75c680aa421546931fb11942fa6
• https://git.kernel.org/stable/c/a75f45afa932bfb24a2603ebcea5efd2e7cdcfd6
• https://git.kernel.org/stable/c/bcabe1dc2a344adbb3382930a23e273ba9382277
• https://git.kernel.org/stable/c/db07fe76df01f40cb897d6e9066b84e46957beb3
• https://git.kernel.org/stable/c/fa0d32ab8407d7481450c664fd0de64f2dae9489
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.229

• Memory leak in Linux kernel mtd driver
• openEuler 20.03 LTS SP4 update for kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel