NULL pointer dereference in Linux kernel - CVE-2022-50527

Vulnerability identifier: #VU116791

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-2022-50527

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 amdgpu_bo_validate_size() function in drivers/gpu/drm/amd/amdgpu/amdgpu_object.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server for SAP Applications 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 Micro
SUSE Linux Enterprise Live Patching
openSUSE Leap
kgraft-patch-4_12_14-122_290-default
kernel-livepatch-SLE15-SP5_Update_32-debugsource
kernel-livepatch-5_14_21-150500_55_127-default
kernel-livepatch-5_14_21-150500_55_127-default-debuginfo
kernel-default-kgraft-devel
kernel-default-debugsource
gfs2-kmp-default
ocfs2-kmp-default-debuginfo
cluster-md-kmp-default-debuginfo
kernel-default-devel
dlm-kmp-default-debuginfo
kernel-default-base
kernel-default-base-debuginfo
kernel-syms
gfs2-kmp-default-debuginfo
kernel-default-kgraft
kernel-default-devel-debuginfo
kernel-default-man
kernel-source
kernel-devel
kernel-macros
kernel-default
ocfs2-kmp-default
cluster-md-kmp-default
dlm-kmp-default
kernel-default-debuginfo
kernel-source-rt
kernel-rt
kernel-rt_debug
kselftests-kmp-rt-debuginfo
kernel-rt_debug-devel-debuginfo
kernel-rt-optional
dlm-kmp-rt
reiserfs-kmp-rt
cluster-md-kmp-rt
gfs2-kmp-rt-debuginfo
kernel-rt-vdso-debuginfo
reiserfs-kmp-rt-debuginfo
kernel-rt_debug-devel
kernel-rt_debug-debuginfo
ocfs2-kmp-rt
ocfs2-kmp-rt-debuginfo
kernel-rt_debug-vdso-debuginfo
kernel-rt-livepatch
kernel-rt-debuginfo
kernel-rt-vdso
kernel-rt-livepatch-devel
kselftests-kmp-rt
kernel-rt-devel
kernel-syms-rt
kernel-rt_debug-vdso
kernel-rt-extra
gfs2-kmp-rt
kernel-rt-debugsource
kernel-rt-devel-debuginfo
cluster-md-kmp-rt-debuginfo
kernel-rt_debug-debugsource
kernel-devel-rt
kernel-rt-optional-debuginfo
kernel-rt-extra-debuginfo
dlm-kmp-rt-debuginfo
reiserfs-kmp-64kb-debuginfo
cluster-md-kmp-64kb-debuginfo
dtb-allwinner
dlm-kmp-64kb
dtb-amlogic
dtb-broadcom
gfs2-kmp-64kb
gfs2-kmp-64kb-debuginfo
dtb-rockchip
dtb-xilinx
dtb-marvell
kselftests-kmp-64kb
dlm-kmp-64kb-debuginfo
dtb-apple
dtb-amazon
dtb-altera
ocfs2-kmp-64kb
kernel-64kb-extra-debuginfo
kselftests-kmp-64kb-debuginfo
dtb-mediatek
dtb-exynos
reiserfs-kmp-64kb
kernel-obs-build-debugsource
dtb-socionext
kernel-obs-build
kernel-64kb
kernel-64kb-devel-debuginfo
dtb-apm
dtb-nvidia
kernel-64kb-debugsource
kernel-default-optional-debuginfo
kernel-default-extra-debuginfo
kselftests-kmp-default
kernel-kvmsmall-debugsource
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-devel
kernel-kvmsmall-debuginfo
kernel-docs-html
kernel-source-vanilla
kernel-64kb-devel
kernel-default-extra
kernel-default-livepatch-devel
kernel-default-livepatch
kernel-64kb-debuginfo
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
kernel-zfcpdump
reiserfs-kmp-default-debuginfo
reiserfs-kmp-default
kernel-docs
dtb-renesas
dtb-arm
dtb-qcom
ocfs2-kmp-64kb-debuginfo
dtb-cavium
kernel-64kb-optional-debuginfo
cluster-md-kmp-64kb
dtb-freescale
kernel-64kb-extra
dtb-sprd
kernel-64kb-optional
dtb-lg
kernel-default-optional
dtb-amd
dtb-hisilicon
dtb-aarch64
kernel-kvmsmall
kernel-default-vdso-debuginfo
kernel-default-vdso
kernel-kvmsmall-vdso
kernel-kvmsmall-vdso-debuginfo
kernel-obs-qa
kselftests-kmp-default-debuginfo
kernel-default-base-rebuild

Install update from vendor's repository.

Linux kernel - update to 6.1.5
kgraft-patch-4_12_14-122_290-default - update to 1-8.7.1
kernel-livepatch-SLE15-SP5_Update_32-debugsource - 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-5_14_21-150500_55_127-default-debuginfo - update to 1-150500.11.3.1
kernel-default-kgraft-devel - update to 4.12.14-122.290.1
kernel-default-debugsource - addressed in versions 4.12.14-122.290.1, 5.14.21-150500.55.127.1
gfs2-kmp-default - addressed in versions 4.12.14-122.290.1, 5.14.21-150500.55.127.1
ocfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.290.1, 5.14.21-150500.55.127.1
cluster-md-kmp-default-debuginfo - addressed in versions 4.12.14-122.290.1, 5.14.21-150500.55.127.1
kernel-default-devel - addressed in versions 4.12.14-122.290.1, 5.14.21-150500.55.127.1
dlm-kmp-default-debuginfo - addressed in versions 4.12.14-122.290.1, 5.14.21-150500.55.127.1
kernel-default-base - addressed in versions 4.12.14-122.290.1, 5.14.21-150500.55.127.1.150500.6.61.1
kernel-default-base-debuginfo - update to 4.12.14-122.290.1
kernel-syms - addressed in versions 4.12.14-122.290.1, 5.14.21-150500.55.127.1
gfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.290.1, 5.14.21-150500.55.127.1
kernel-default-kgraft - update to 4.12.14-122.290.1
kernel-default-devel-debuginfo - addressed in versions 4.12.14-122.290.1, 5.14.21-150500.55.127.1
kernel-default-man - update to 4.12.14-122.290.1
kernel-source - addressed in versions 4.12.14-122.290.1, 5.14.21-150500.55.127.1
kernel-devel - addressed in versions 4.12.14-122.290.1, 5.14.21-150500.55.127.1
kernel-macros - addressed in versions 4.12.14-122.290.1, 5.14.21-150500.55.127.1
kernel-default - addressed in versions 4.12.14-122.290.1, 5.14.21-150500.55.127.1
ocfs2-kmp-default - addressed in versions 4.12.14-122.290.1, 5.14.21-150500.55.127.1
cluster-md-kmp-default - addressed in versions 4.12.14-122.290.1, 5.14.21-150500.55.127.1
dlm-kmp-default - addressed in versions 4.12.14-122.290.1, 5.14.21-150500.55.127.1
kernel-default-debuginfo - addressed in versions 4.12.14-122.290.1, 5.14.21-150500.55.127.1
kernel-source-rt - update to 5.14.21-150500.13.112.1
kernel-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 - 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
gfs2-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
reiserfs-kmp-rt-debuginfo - update to 5.14.21-150500.13.112.1
kernel-rt_debug-devel - update to 5.14.21-150500.13.112.1
kernel-rt_debug-debuginfo - update to 5.14.21-150500.13.112.1
ocfs2-kmp-rt - 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-rt-livepatch - update to 5.14.21-150500.13.112.1
kernel-rt-debuginfo - update to 5.14.21-150500.13.112.1
kernel-rt-vdso - update to 5.14.21-150500.13.112.1
kernel-rt-livepatch-devel - 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-debugsource - 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
kernel-rt-optional-debuginfo - update to 5.14.21-150500.13.112.1
kernel-rt-extra-debuginfo - update to 5.14.21-150500.13.112.1
dlm-kmp-rt-debuginfo - update to 5.14.21-150500.13.112.1
reiserfs-kmp-64kb-debuginfo - update to 5.14.21-150500.55.127.1
cluster-md-kmp-64kb-debuginfo - update to 5.14.21-150500.55.127.1
dtb-allwinner - update to 5.14.21-150500.55.127.1
dlm-kmp-64kb - update to 5.14.21-150500.55.127.1
dtb-amlogic - update to 5.14.21-150500.55.127.1
dtb-broadcom - update to 5.14.21-150500.55.127.1
gfs2-kmp-64kb - update to 5.14.21-150500.55.127.1
gfs2-kmp-64kb-debuginfo - update to 5.14.21-150500.55.127.1
dtb-rockchip - update to 5.14.21-150500.55.127.1
dtb-xilinx - update to 5.14.21-150500.55.127.1
dtb-marvell - update to 5.14.21-150500.55.127.1
kselftests-kmp-64kb - update to 5.14.21-150500.55.127.1
dlm-kmp-64kb-debuginfo - update to 5.14.21-150500.55.127.1
dtb-apple - update to 5.14.21-150500.55.127.1
dtb-amazon - update to 5.14.21-150500.55.127.1
dtb-altera - update to 5.14.21-150500.55.127.1
ocfs2-kmp-64kb - update to 5.14.21-150500.55.127.1
kernel-64kb-extra-debuginfo - update to 5.14.21-150500.55.127.1
kselftests-kmp-64kb-debuginfo - update to 5.14.21-150500.55.127.1
dtb-mediatek - update to 5.14.21-150500.55.127.1
dtb-exynos - update to 5.14.21-150500.55.127.1
reiserfs-kmp-64kb - update to 5.14.21-150500.55.127.1
kernel-obs-build-debugsource - update to 5.14.21-150500.55.127.1
dtb-socionext - update to 5.14.21-150500.55.127.1
kernel-obs-build - update to 5.14.21-150500.55.127.1
kernel-64kb - update to 5.14.21-150500.55.127.1
kernel-64kb-devel-debuginfo - update to 5.14.21-150500.55.127.1
dtb-apm - update to 5.14.21-150500.55.127.1
dtb-nvidia - update to 5.14.21-150500.55.127.1
kernel-64kb-debugsource - update to 5.14.21-150500.55.127.1
kernel-default-optional-debuginfo - update to 5.14.21-150500.55.127.1
kernel-default-extra-debuginfo - update to 5.14.21-150500.55.127.1
kselftests-kmp-default - update to 5.14.21-150500.55.127.1
kernel-kvmsmall-debugsource - update to 5.14.21-150500.55.127.1
kernel-kvmsmall-devel-debuginfo - update to 5.14.21-150500.55.127.1
kernel-kvmsmall-devel - update to 5.14.21-150500.55.127.1
kernel-kvmsmall-debuginfo - update to 5.14.21-150500.55.127.1
kernel-docs-html - update to 5.14.21-150500.55.127.1
kernel-source-vanilla - update to 5.14.21-150500.55.127.1
kernel-64kb-devel - update to 5.14.21-150500.55.127.1
kernel-default-extra - update to 5.14.21-150500.55.127.1
kernel-default-livepatch-devel - update to 5.14.21-150500.55.127.1
kernel-default-livepatch - update to 5.14.21-150500.55.127.1
kernel-64kb-debuginfo - update to 5.14.21-150500.55.127.1
kernel-zfcpdump-debuginfo - update to 5.14.21-150500.55.127.1
kernel-zfcpdump-debugsource - update to 5.14.21-150500.55.127.1
kernel-zfcpdump - update to 5.14.21-150500.55.127.1
reiserfs-kmp-default-debuginfo - update to 5.14.21-150500.55.127.1
reiserfs-kmp-default - update to 5.14.21-150500.55.127.1
kernel-docs - update to 5.14.21-150500.55.127.1
dtb-renesas - update to 5.14.21-150500.55.127.1
dtb-arm - update to 5.14.21-150500.55.127.1
dtb-qcom - update to 5.14.21-150500.55.127.1
ocfs2-kmp-64kb-debuginfo - update to 5.14.21-150500.55.127.1
dtb-cavium - update to 5.14.21-150500.55.127.1
kernel-64kb-optional-debuginfo - update to 5.14.21-150500.55.127.1
cluster-md-kmp-64kb - update to 5.14.21-150500.55.127.1
dtb-freescale - update to 5.14.21-150500.55.127.1
kernel-64kb-extra - update to 5.14.21-150500.55.127.1
dtb-sprd - update to 5.14.21-150500.55.127.1
kernel-64kb-optional - update to 5.14.21-150500.55.127.1
dtb-lg - update to 5.14.21-150500.55.127.1
kernel-default-optional - update to 5.14.21-150500.55.127.1
dtb-amd - update to 5.14.21-150500.55.127.1
dtb-hisilicon - update to 5.14.21-150500.55.127.1
dtb-aarch64 - update to 5.14.21-150500.55.127.1
kernel-kvmsmall - update to 5.14.21-150500.55.127.1
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
kernel-obs-qa - update to 5.14.21-150500.55.127.1
kselftests-kmp-default-debuginfo - update to 5.14.21-150500.55.127.1
kernel-default-base-rebuild - update to 5.14.21-150500.55.127.1.150500.6.61.1

• https://git.kernel.org/stable/c/7554886daa31eacc8e7fac9e15bbce67d10b8f1f
• https://git.kernel.org/stable/c/80546eef216854a7bd47e39e828f04b406c00599
• https://git.kernel.org/stable/c/8ba7c55e112f4ffd2a95b99be1cb1c891ef08ba1
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.5

• NULL pointer dereference in Linux kernel amd amdgpu driver
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel