Memory leak in Linux kernel - CVE-2022-50578

Vulnerability identifier: #VU117555

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-2022-50578

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 __class_register() function in drivers/base/class.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
SUSE Linux Enterprise Server 15 SP5
SUSE Manager Server 4.3
SUSE Manager Retail Branch Server 4.3
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Manager Proxy 4.3
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server 12
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Manager Server
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
SUSE Linux Enterprise Live Patching
openSUSE Leap
kgraft-patch-4_12_14-122_283-default
kgraft-patch-4_12_14-122_336-default
kernel-livepatch-5_14_21-150400_24_184-default
kernel-livepatch-5_14_21-150400_24_184-default-debuginfo
kernel-livepatch-SLE15-SP4_Update_46-debugsource
kernel-livepatch-SLE15-SP5_Update_32-debugsource
kernel-livepatch-5_14_21-150500_55_127-default-debuginfo
kernel-livepatch-5_14_21-150500_55_127-default
ocfs2-kmp-default
kernel-macros
kernel-devel
kernel-default-man
kernel-default-devel-debuginfo
kernel-default-kgraft-devel
kernel-default-kgraft
kernel-source
kernel-default
kernel-default-base
kernel-default-devel
dlm-kmp-default-debuginfo
ocfs2-kmp-default-debuginfo
gfs2-kmp-default
kernel-default-base-debuginfo
dlm-kmp-default
cluster-md-kmp-default
kernel-syms
cluster-md-kmp-default-debuginfo
kernel-default-debuginfo
kernel-default-debugsource
gfs2-kmp-default-debuginfo
kernel-source-rt
kernel-rt
kernel-rt-debuginfo
kernel-rt-debugsource
cluster-md-kmp-64kb-debuginfo
kernel-64kb-extra-debuginfo
dlm-kmp-64kb
kselftests-kmp-64kb-debuginfo
dtb-sprd
dtb-allwinner
reiserfs-kmp-64kb
kernel-64kb-devel-debuginfo
dtb-altera
dtb-amlogic
dtb-qcom
dtb-renesas
ocfs2-kmp-64kb-debuginfo
dtb-nvidia
dtb-amd
dtb-apm
kernel-64kb
kernel-docs-html
kernel-default-livepatch-devel
reiserfs-kmp-default-debuginfo
kernel-default-extra-debuginfo
kernel-obs-qa
reiserfs-kmp-default
kselftests-kmp-default
kernel-default-optional-debuginfo
kernel-default-optional
kernel-kvmsmall
kernel-zfcpdump
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
dtb-aarch64
dtb-freescale
kernel-64kb-extra
kernel-64kb-devel
dtb-lg
dtb-socionext
kernel-64kb-optional-debuginfo
kernel-docs
kernel-source-vanilla
kernel-kvmsmall-debuginfo
kernel-kvmsmall-devel
kernel-kvmsmall-debugsource
kernel-kvmsmall-devel-debuginfo
dtb-cavium
kselftests-kmp-default-debuginfo
kernel-default-livepatch
kernel-obs-build-debugsource
kernel-obs-build
kernel-default-extra
kselftests-kmp-64kb
dlm-kmp-64kb-debuginfo
ocfs2-kmp-64kb
dtb-exynos
gfs2-kmp-64kb-debuginfo
kernel-64kb-debuginfo
gfs2-kmp-64kb
dtb-broadcom
dtb-arm
dtb-rockchip
dtb-mediatek
dtb-hisilicon
dtb-xilinx
dtb-marvell
cluster-md-kmp-64kb
kernel-64kb-debugsource
reiserfs-kmp-64kb-debuginfo
kernel-64kb-optional
dtb-apple
dtb-amazon
kernel-default-base-rebuild
kernel-rt-livepatch-devel
kernel-rt-optional
kernel-rt-livepatch
kernel-rt_debug-vdso-debuginfo
ocfs2-kmp-rt-debuginfo
ocfs2-kmp-rt
kernel-rt_debug-debuginfo
kernel-rt_debug-devel
reiserfs-kmp-rt-debuginfo
kernel-rt-vdso-debuginfo
kernel-rt-extra-debuginfo
gfs2-kmp-rt-debuginfo
kselftests-kmp-rt
kernel-rt-devel
kernel-syms-rt
kernel-rt_debug-vdso
kernel-rt-extra
gfs2-kmp-rt
kernel-rt-devel-debuginfo
cluster-md-kmp-rt-debuginfo
kernel-rt_debug-debugsource
kernel-devel-rt
dlm-kmp-rt-debuginfo
dlm-kmp-rt
reiserfs-kmp-rt
cluster-md-kmp-rt
kernel-rt_debug
kselftests-kmp-rt-debuginfo
kernel-rt_debug-devel-debuginfo
kernel-rt-optional-debuginfo
kernel-rt-vdso
kernel-default-vdso
kernel-default-vdso-debuginfo
kernel-kvmsmall-vdso
kernel-kvmsmall-vdso-debuginfo

Install update from vendor's repository.

Linux kernel - update to 6.0.16
kgraft-patch-4_12_14-122_283-default - update to 1-8.3.1
kgraft-patch-4_12_14-122_336-default - update to 1-8.3.1
kernel-livepatch-5_14_21-150400_24_184-default - 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-SLE15-SP4_Update_46-debugsource - update to 1-150400.9.5.1
kernel-livepatch-SLE15-SP5_Update_32-debugsource - update to 1-150500.11.3.1
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
ocfs2-kmp-default - addressed in versions 4.12.14-122.283.1, 4.12.14-122.336.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-macros - addressed in versions 4.12.14-122.283.1, 4.12.14-122.336.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-devel - addressed in versions 4.12.14-122.283.1, 4.12.14-122.336.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default-man - addressed in versions 4.12.14-122.283.1, 4.12.14-122.336.1
kernel-default-devel-debuginfo - addressed in versions 4.12.14-122.283.1, 4.12.14-122.336.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default-kgraft-devel - addressed in versions 4.12.14-122.283.1, 4.12.14-122.336.1
kernel-default-kgraft - addressed in versions 4.12.14-122.283.1, 4.12.14-122.336.1
kernel-source - addressed in versions 4.12.14-122.283.1, 4.12.14-122.336.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default - addressed in versions 4.12.14-122.283.1, 4.12.14-122.336.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default-base - addressed in versions 4.12.14-122.283.1, 4.12.14-122.336.1, 5.14.21-150400.24.184.1.150400.24.94.2, 5.14.21-150500.55.127.1.150500.6.61.1
kernel-default-devel - addressed in versions 4.12.14-122.283.1, 4.12.14-122.336.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dlm-kmp-default-debuginfo - addressed in versions 4.12.14-122.283.1, 4.12.14-122.336.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
ocfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.283.1, 4.12.14-122.336.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
gfs2-kmp-default - addressed in versions 4.12.14-122.283.1, 4.12.14-122.336.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default-base-debuginfo - addressed in versions 4.12.14-122.283.1, 4.12.14-122.336.1
dlm-kmp-default - addressed in versions 4.12.14-122.283.1, 4.12.14-122.336.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
cluster-md-kmp-default - addressed in versions 4.12.14-122.283.1, 4.12.14-122.336.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-syms - addressed in versions 4.12.14-122.283.1, 4.12.14-122.336.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
cluster-md-kmp-default-debuginfo - addressed in versions 4.12.14-122.283.1, 4.12.14-122.336.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default-debuginfo - addressed in versions 4.12.14-122.283.1, 4.12.14-122.336.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default-debugsource - addressed in versions 4.12.14-122.283.1, 4.12.14-122.336.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
gfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.283.1, 4.12.14-122.336.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-source-rt - 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
kernel-rt-debuginfo - 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
cluster-md-kmp-64kb-debuginfo - 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
dlm-kmp-64kb - 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
dtb-sprd - 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
reiserfs-kmp-64kb - 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
dtb-altera - 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-qcom - 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
ocfs2-kmp-64kb-debuginfo - 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
dtb-amd - 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
kernel-64kb - 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-default-livepatch-devel - 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-extra-debuginfo - 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
reiserfs-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
kernel-default-optional-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
kernel-kvmsmall - 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-zfcpdump-debuginfo - 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
dtb-aarch64 - 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
kernel-64kb-extra - 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
dtb-lg - 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
kernel-64kb-optional-debuginfo - 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-source-vanilla - 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-kvmsmall-devel - 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-debuginfo - 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
kselftests-kmp-default-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
kernel-obs-build-debugsource - 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-default-extra - 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
dlm-kmp-64kb-debuginfo - 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
dtb-exynos - 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
kernel-64kb-debuginfo - 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
dtb-broadcom - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-arm - 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-mediatek - 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-xilinx - 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
cluster-md-kmp-64kb - 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
reiserfs-kmp-64kb-debuginfo - 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
dtb-apple - 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
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-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-debuginfo - update to 5.14.21-150500.13.112.1
ocfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.112.1
ocfs2-kmp-rt - update to 5.14.21-150500.13.112.1
kernel-rt_debug-debuginfo - update to 5.14.21-150500.13.112.1
kernel-rt_debug-devel - update to 5.14.21-150500.13.112.1
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
kernel-rt-extra-debuginfo - update to 5.14.21-150500.13.112.1
gfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.112.1
kselftests-kmp-rt - update to 5.14.21-150500.13.112.1
kernel-rt-devel - update to 5.14.21-150500.13.112.1
kernel-syms-rt - update to 5.14.21-150500.13.112.1
kernel-rt_debug-vdso - update to 5.14.21-150500.13.112.1
kernel-rt-extra - update to 5.14.21-150500.13.112.1
gfs2-kmp-rt - update to 5.14.21-150500.13.112.1
kernel-rt-devel-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_debug-debugsource - update to 5.14.21-150500.13.112.1
kernel-devel-rt - update to 5.14.21-150500.13.112.1
dlm-kmp-rt-debuginfo - update to 5.14.21-150500.13.112.1
dlm-kmp-rt - update to 5.14.21-150500.13.112.1
reiserfs-kmp-rt - update to 5.14.21-150500.13.112.1
cluster-md-kmp-rt - update to 5.14.21-150500.13.112.1
kernel-rt_debug - 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-devel-debuginfo - update to 5.14.21-150500.13.112.1
kernel-rt-optional-debuginfo - update to 5.14.21-150500.13.112.1
kernel-rt-vdso - update to 5.14.21-150500.13.112.1
kernel-default-vdso - update to 5.14.21-150500.55.127.1
kernel-default-vdso-debuginfo - 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/18a7200646958cf8e1b8a933de08122fc50676cd
• https://git.kernel.org/stable/c/3bb9c92c27624ad076419a70f2b1a30cd1f8bbbd
• https://git.kernel.org/stable/c/3e0efc3f3f5e5c73996782f8db69963e501bb878
• https://git.kernel.org/stable/c/417ef049e3fd3b0d2593c1d5ffa3d0d5d0a018a7
• https://git.kernel.org/stable/c/4efa5443817c1b6de22d401aeca5b2481e835f8c
• https://git.kernel.org/stable/c/8c3e8a6bdb5253b97ad532570f8b5db5f7a06407
• https://git.kernel.org/stable/c/abaedb68a769e6bf36836b55a2f49b531c5f3f7b
• https://git.kernel.org/stable/c/e764ad5918a099ebeb909ccff83893a714e497e1
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.16

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