NULL pointer dereference in Linux kernel - CVE-2022-49781

Vulnerability identifier: #VU108278

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-2022-49781

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 amd_pmu_handle_irq() function in arch/x86/events/amd/core.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
SUSE Linux Enterprise High Performance Computing 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
openEuler
kernel-livepatch-5_14_21-150500_55_110-default-debuginfo
kernel-livepatch-5_14_21-150500_55_110-default
kernel-livepatch-SLE15-SP5_Update_27-debugsource
kernel-debuginfo
python3-perf-debuginfo
python3-perf
perf-debuginfo
perf
kernel-tools-debuginfo
kernel
kernel-debugsource
kernel-devel
kernel-tools-devel
kernel-tools
kernel-source
kernel-headers
kselftests-kmp-rt-debuginfo
kernel-rt-livepatch
reiserfs-kmp-rt-debuginfo
kernel-rt_debug-debuginfo
kernel-rt_debug-debugsource
dlm-kmp-rt
kernel-rt_debug-devel
kernel-rt-devel-debuginfo
kernel-syms-rt
kselftests-kmp-rt
dlm-kmp-rt-debuginfo
gfs2-kmp-rt-debuginfo
kernel-rt-devel
kernel-rt_debug-devel-debuginfo
kernel-rt
kernel-rt_debug
cluster-md-kmp-rt
kernel-source-rt
kernel-devel-rt
kernel-rt-optional
kernel-rt_debug-vdso
kernel-rt-vdso
kernel-rt-debuginfo
kernel-rt-debugsource
gfs2-kmp-rt
ocfs2-kmp-rt
kernel-rt-livepatch-devel
kernel-rt_debug-vdso-debuginfo
cluster-md-kmp-rt-debuginfo
reiserfs-kmp-rt
kernel-rt-optional-debuginfo
kernel-rt-extra-debuginfo
ocfs2-kmp-rt-debuginfo
kernel-rt-vdso-debuginfo
kernel-rt-extra
kernel-default
kernel-default-debuginfo
kernel-default-debugsource
kernel-default-livepatch
kernel-default-livepatch-devel

Install update from vendor's website.

Linux kernel - update to 6.0.10
kernel-livepatch-5_14_21-150500_55_110-default-debuginfo - update to 1-150500.11.7.1
kernel-livepatch-5_14_21-150500_55_110-default - update to 1-150500.11.7.1
kernel-livepatch-SLE15-SP5_Update_27-debugsource - update to 1-150500.11.7.1
kernel-debuginfo - update to 5.10.0-265.0.0.167
python3-perf-debuginfo - update to 5.10.0-265.0.0.167
python3-perf - update to 5.10.0-265.0.0.167
perf-debuginfo - update to 5.10.0-265.0.0.167
perf - update to 5.10.0-265.0.0.167
kernel-tools-debuginfo - update to 5.10.0-265.0.0.167
kernel - update to 5.10.0-265.0.0.167
kernel-debugsource - update to 5.10.0-265.0.0.167
kernel-devel - update to 5.10.0-265.0.0.167
kernel-tools-devel - update to 5.10.0-265.0.0.167
kernel-tools - update to 5.10.0-265.0.0.167
kernel-source - update to 5.10.0-265.0.0.167
kernel-headers - update to 5.10.0-265.0.0.167
kselftests-kmp-rt-debuginfo - update to 5.14.21-150500.13.97.1
kernel-rt-livepatch - update to 5.14.21-150500.13.97.1
reiserfs-kmp-rt-debuginfo - update to 5.14.21-150500.13.97.1
kernel-rt_debug-debuginfo - update to 5.14.21-150500.13.97.1
kernel-rt_debug-debugsource - update to 5.14.21-150500.13.97.1
dlm-kmp-rt - update to 5.14.21-150500.13.97.1
kernel-rt_debug-devel - update to 5.14.21-150500.13.97.1
kernel-rt-devel-debuginfo - update to 5.14.21-150500.13.97.1
kernel-syms-rt - update to 5.14.21-150500.13.97.1
kselftests-kmp-rt - update to 5.14.21-150500.13.97.1
dlm-kmp-rt-debuginfo - update to 5.14.21-150500.13.97.1
gfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.97.1
kernel-rt-devel - update to 5.14.21-150500.13.97.1
kernel-rt_debug-devel-debuginfo - update to 5.14.21-150500.13.97.1
kernel-rt - update to 5.14.21-150500.13.97.1
kernel-rt_debug - update to 5.14.21-150500.13.97.1
cluster-md-kmp-rt - update to 5.14.21-150500.13.97.1
kernel-source-rt - update to 5.14.21-150500.13.97.1
kernel-devel-rt - update to 5.14.21-150500.13.97.1
kernel-rt-optional - update to 5.14.21-150500.13.97.1
kernel-rt_debug-vdso - update to 5.14.21-150500.13.97.1
kernel-rt-vdso - update to 5.14.21-150500.13.97.1
kernel-rt-debuginfo - update to 5.14.21-150500.13.97.1
kernel-rt-debugsource - update to 5.14.21-150500.13.97.1
gfs2-kmp-rt - update to 5.14.21-150500.13.97.1
ocfs2-kmp-rt - update to 5.14.21-150500.13.97.1
kernel-rt-livepatch-devel - update to 5.14.21-150500.13.97.1
kernel-rt_debug-vdso-debuginfo - update to 5.14.21-150500.13.97.1
cluster-md-kmp-rt-debuginfo - update to 5.14.21-150500.13.97.1
reiserfs-kmp-rt - update to 5.14.21-150500.13.97.1
kernel-rt-optional-debuginfo - update to 5.14.21-150500.13.97.1
kernel-rt-extra-debuginfo - update to 5.14.21-150500.13.97.1
ocfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.97.1
kernel-rt-vdso-debuginfo - update to 5.14.21-150500.13.97.1
kernel-rt-extra - update to 5.14.21-150500.13.97.1
kernel-default - update to 5.14.21-150500.55.110.1
kernel-default-debuginfo - update to 5.14.21-150500.55.110.1
kernel-default-debugsource - update to 5.14.21-150500.55.110.1
kernel-default-livepatch - update to 5.14.21-150500.55.110.1
kernel-default-livepatch-devel - update to 5.14.21-150500.55.110.1

• https://git.kernel.org/stable/c/baa014b9543c8e5e94f5d15b66abfe60750b8284
• https://git.kernel.org/stable/c/fd5e454b856ed86b090336e269695d9908609b71
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.10

• NULL pointer dereference in Linux kernel events amd
• openEuler 22.03 LTS SP3 update for kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel