NULL pointer dereference in Linux kernel - CVE-2022-50735

Vulnerability identifier: #VU120462

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-2022-50735

CWE-ID: CWE-476

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 NULL pointer dereference within the mt76u_status_worker() function in drivers/net/wireless/mediatek/mt76/usb.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Server 15
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 Server for SAP Applications 15
SUSE Linux Enterprise Real Time 15
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
openEuler
kernel-livepatch-5_14_21-150400_24_194-default
kernel-livepatch-SLE15-SP4_Update_48-debugsource
kernel-livepatch-5_14_21-150400_24_194-default-debuginfo
kernel-livepatch-5_14_21-150500_55_133-default-debuginfo
kernel-livepatch-SLE15-SP5_Update_34-debugsource
kernel-livepatch-5_14_21-150500_55_133-default
kernel
python3-perf-debuginfo
python3-perf
perf-debuginfo
perf
kernel-tools-devel
kernel-tools-debuginfo
kernel-tools
kernel-source
kernel-headers
kernel-devel
kernel-debugsource
kernel-debuginfo
bpftool-debuginfo
bpftool
kernel-rt
kernel-source-rt
kernel-rt-debuginfo
kernel-rt-debugsource
kernel-default-devel
kselftests-kmp-default
kernel-default-debugsource
kernel-syms
ocfs2-kmp-default-debuginfo
cluster-md-kmp-default
dlm-kmp-default
dlm-kmp-default-debuginfo
kernel-obs-build
kernel-default-extra-debuginfo
cluster-md-kmp-default-debuginfo
reiserfs-kmp-default-debuginfo
kernel-default-extra
kernel-default-optional
kernel-kvmsmall-devel-debuginfo
kernel-docs
kernel-docs-html
kernel-macros
kernel-source-vanilla
kernel-kvmsmall-debugsource
kernel-kvmsmall-debuginfo
kernel-kvmsmall-devel
gfs2-kmp-default-debuginfo
kernel-default-livepatch
gfs2-kmp-default
kernel-default-debuginfo
kernel-default-optional-debuginfo
ocfs2-kmp-default
kernel-obs-build-debugsource
kernel-obs-qa
kernel-default-devel-debuginfo
cluster-md-kmp-64kb
gfs2-kmp-64kb-debuginfo
dtb-marvell
dlm-kmp-64kb
reiserfs-kmp-64kb
dtb-apm
dtb-allwinner
dtb-sprd
dtb-apple
dtb-amlogic
kernel-64kb-extra-debuginfo
dtb-xilinx
ocfs2-kmp-64kb-debuginfo
reiserfs-kmp-64kb-debuginfo
dlm-kmp-64kb-debuginfo
kernel-64kb-debugsource
cluster-md-kmp-64kb-debuginfo
dtb-rockchip
kselftests-kmp-64kb
dtb-freescale
kernel-64kb-extra
ocfs2-kmp-64kb
dtb-mediatek
kernel-64kb-debuginfo
dtb-exynos
dtb-amazon
kernel-64kb
dtb-nvidia
kselftests-kmp-default-debuginfo
reiserfs-kmp-default
kernel-default
kernel-default-livepatch-devel
kernel-kvmsmall
kernel-zfcpdump
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
dtb-aarch64
dtb-amd
dtb-socionext
dtb-hisilicon
kernel-64kb-devel-debuginfo
kernel-64kb-optional-debuginfo
dtb-broadcom
gfs2-kmp-64kb
dtb-lg
dtb-renesas
dtb-qcom
kernel-64kb-optional
dtb-arm
dtb-cavium
kernel-64kb-devel
kselftests-kmp-64kb-debuginfo
dtb-altera
kernel-default-base
kernel-default-base-rebuild
cluster-md-kmp-rt-debuginfo
kernel-rt-vdso-debuginfo
kernel-rt-livepatch-devel
dlm-kmp-rt-debuginfo
ocfs2-kmp-rt
kernel-rt-extra-debuginfo
kernel-rt_debug-debuginfo
reiserfs-kmp-rt
kernel-rt-extra
kernel-devel-rt
cluster-md-kmp-rt
kernel-rt-livepatch
kernel-rt_debug-devel-debuginfo
gfs2-kmp-rt-debuginfo
dlm-kmp-rt
kernel-rt_debug
kernel-syms-rt
kernel-rt_debug-vdso-debuginfo
gfs2-kmp-rt
ocfs2-kmp-rt-debuginfo
kernel-rt-devel
kselftests-kmp-rt
kernel-rt_debug-vdso
kernel-rt_debug-devel
kernel-rt-devel-debuginfo
reiserfs-kmp-rt-debuginfo
kernel-rt-optional
kernel-rt-vdso
kernel-rt-optional-debuginfo
kselftests-kmp-rt-debuginfo
kernel-rt_debug-debugsource
kernel-kvmsmall-vdso
kernel-default-vdso
kernel-kvmsmall-vdso-debuginfo
kernel-default-vdso-debuginfo

Install update from vendor's repository.

Linux kernel - update to 6.1.2
kernel-livepatch-5_14_21-150400_24_194-default - update to 1-150400.9.7.1
kernel-livepatch-SLE15-SP4_Update_48-debugsource - update to 1-150400.9.7.1
kernel-livepatch-5_14_21-150400_24_194-default-debuginfo - update to 1-150400.9.7.1
kernel-livepatch-5_14_21-150500_55_133-default-debuginfo - update to 1-150500.11.3.1
kernel-livepatch-SLE15-SP5_Update_34-debugsource - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_55_133-default - update to 1-150500.11.3.1
kernel - update to 5.10.0-301.0.0.204
python3-perf-debuginfo - update to 5.10.0-301.0.0.204
python3-perf - update to 5.10.0-301.0.0.204
perf-debuginfo - update to 5.10.0-301.0.0.204
perf - update to 5.10.0-301.0.0.204
kernel-tools-devel - update to 5.10.0-301.0.0.204
kernel-tools-debuginfo - update to 5.10.0-301.0.0.204
kernel-tools - update to 5.10.0-301.0.0.204
kernel-source - update to 5.10.0-301.0.0.204
kernel-headers - update to 5.10.0-301.0.0.204
kernel-devel - update to 5.10.0-301.0.0.204
kernel-debugsource - update to 5.10.0-301.0.0.204
kernel-debuginfo - update to 5.10.0-301.0.0.204
bpftool-debuginfo - update to 5.10.0-301.0.0.204
bpftool - update to 5.10.0-301.0.0.204
kernel-rt - addressed in versions 5.14.21-150400.15.142.1, 5.14.21-150500.13.118.1
kernel-source-rt - addressed in versions 5.14.21-150400.15.142.1, 5.14.21-150500.13.118.1
kernel-rt-debuginfo - addressed in versions 5.14.21-150400.15.142.1, 5.14.21-150500.13.118.1
kernel-rt-debugsource - addressed in versions 5.14.21-150400.15.142.1, 5.14.21-150500.13.118.1
kernel-default-devel - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kselftests-kmp-default - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-debugsource - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-syms - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
ocfs2-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
cluster-md-kmp-default - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dlm-kmp-default - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dlm-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-obs-build - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-extra-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
cluster-md-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
reiserfs-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-extra - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-optional - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-kvmsmall-devel-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-docs - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-source - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-devel - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-docs-html - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-macros - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-source-vanilla - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-kvmsmall-debugsource - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-kvmsmall-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-kvmsmall-devel - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
gfs2-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-livepatch - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
gfs2-kmp-default - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-optional-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
ocfs2-kmp-default - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-obs-build-debugsource - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-obs-qa - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-devel-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
cluster-md-kmp-64kb - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
gfs2-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-marvell - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dlm-kmp-64kb - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
reiserfs-kmp-64kb - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-apm - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-allwinner - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-sprd - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-apple - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-amlogic - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-64kb-extra-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-xilinx - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
ocfs2-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
reiserfs-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dlm-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-64kb-debugsource - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
cluster-md-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-rockchip - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kselftests-kmp-64kb - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-freescale - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-64kb-extra - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
ocfs2-kmp-64kb - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-mediatek - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-64kb-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-exynos - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-amazon - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-64kb - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-nvidia - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kselftests-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
reiserfs-kmp-default - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-livepatch-devel - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-kvmsmall - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-zfcpdump - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-zfcpdump-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-zfcpdump-debugsource - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-aarch64 - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-amd - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-socionext - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-hisilicon - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-64kb-devel-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-64kb-optional-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-broadcom - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
gfs2-kmp-64kb - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-lg - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-renesas - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-qcom - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-64kb-optional - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-arm - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-cavium - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-64kb-devel - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kselftests-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-altera - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-base - addressed in versions 5.14.21-150400.24.194.1.150400.24.98.3, 5.14.21-150500.55.133.1.150500.6.65.1
kernel-default-base-rebuild - addressed in versions 5.14.21-150400.24.194.1.150400.24.98.3, 5.14.21-150500.55.133.1.150500.6.65.1
cluster-md-kmp-rt-debuginfo - update to 5.14.21-150500.13.118.1
kernel-rt-vdso-debuginfo - update to 5.14.21-150500.13.118.1
kernel-rt-livepatch-devel - update to 5.14.21-150500.13.118.1
dlm-kmp-rt-debuginfo - update to 5.14.21-150500.13.118.1
ocfs2-kmp-rt - update to 5.14.21-150500.13.118.1
kernel-rt-extra-debuginfo - update to 5.14.21-150500.13.118.1
kernel-rt_debug-debuginfo - update to 5.14.21-150500.13.118.1
reiserfs-kmp-rt - update to 5.14.21-150500.13.118.1
kernel-rt-extra - update to 5.14.21-150500.13.118.1
kernel-devel-rt - update to 5.14.21-150500.13.118.1
cluster-md-kmp-rt - update to 5.14.21-150500.13.118.1
kernel-rt-livepatch - update to 5.14.21-150500.13.118.1
kernel-rt_debug-devel-debuginfo - update to 5.14.21-150500.13.118.1
gfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.118.1
dlm-kmp-rt - update to 5.14.21-150500.13.118.1
kernel-rt_debug - update to 5.14.21-150500.13.118.1
kernel-syms-rt - update to 5.14.21-150500.13.118.1
kernel-rt_debug-vdso-debuginfo - update to 5.14.21-150500.13.118.1
gfs2-kmp-rt - update to 5.14.21-150500.13.118.1
ocfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.118.1
kernel-rt-devel - update to 5.14.21-150500.13.118.1
kselftests-kmp-rt - update to 5.14.21-150500.13.118.1
kernel-rt_debug-vdso - update to 5.14.21-150500.13.118.1
kernel-rt_debug-devel - update to 5.14.21-150500.13.118.1
kernel-rt-devel-debuginfo - update to 5.14.21-150500.13.118.1
reiserfs-kmp-rt-debuginfo - update to 5.14.21-150500.13.118.1
kernel-rt-optional - update to 5.14.21-150500.13.118.1
kernel-rt-vdso - update to 5.14.21-150500.13.118.1
kernel-rt-optional-debuginfo - update to 5.14.21-150500.13.118.1
kselftests-kmp-rt-debuginfo - update to 5.14.21-150500.13.118.1
kernel-rt_debug-debugsource - update to 5.14.21-150500.13.118.1
kernel-kvmsmall-vdso - update to 5.14.21-150500.55.133.1
kernel-default-vdso - update to 5.14.21-150500.55.133.1
kernel-kvmsmall-vdso-debuginfo - update to 5.14.21-150500.55.133.1
kernel-default-vdso-debuginfo - update to 5.14.21-150500.55.133.1

• https://git.kernel.org/stable/c/58fdd84a89b121b761dbfb8a196356e007376ca4
• https://git.kernel.org/stable/c/69346de0eb956fb92949b9473de4647d9c34a54f
• https://git.kernel.org/stable/c/bd5dac7ced5a7c9faa4dc468ac9560c3256df845
• https://git.kernel.org/stable/c/f5ac749a0b21beee55d87d0b05de36976b22dff9
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.2

• NULL pointer dereference in Linux kernel mediatek mt76 driver
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• openEuler 22.03 LTS SP4 update for kernel
• SUSE update for the Linux Kernel