NULL pointer dereference in Linux kernel - CVE-2023-53091

Vulnerability identifier: #VU108458

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-2023-53091

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 ext4_load_journal() function in fs/ext4/super.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
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 15
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
SUSE Linux Enterprise Live Patching
openSUSE Leap
openEuler
kernel-livepatch-SLE15-SP4_Update_41-debugsource
kernel-livepatch-5_14_21-150400_24_167-default
kernel-livepatch-5_14_21-150400_24_167-default-debuginfo
kernel-livepatch-5_14_21-150500_55_110-default
kernel-livepatch-5_14_21-150500_55_110-default-debuginfo
kernel-livepatch-SLE15-SP5_Update_27-debugsource
bpftool
kernel
python3-perf-debuginfo
python3-perf
python2-perf-debuginfo
python2-perf
perf
kernel-tools-devel
kernel-tools-debuginfo
bpftool-debuginfo
kernel-debuginfo
kernel-tools
kernel-source
perf-debuginfo
kernel-devel
kernel-debugsource
kernel-headers
kernel-rt-debuginfo
kernel-source-rt
kernel-rt-debugsource
kernel-rt
kernel-default-debugsource
kernel-default-livepatch
kernel-default-debuginfo
kernel-default
kernel-default-livepatch-devel
kernel-rt-livepatch-devel
kernel-rt-extra
kernel-rt-vdso-debuginfo
ocfs2-kmp-rt-debuginfo
kernel-rt-extra-debuginfo
kernel-rt-optional-debuginfo
reiserfs-kmp-rt
cluster-md-kmp-rt-debuginfo
kernel-rt_debug-vdso-debuginfo
kselftests-kmp-rt-debuginfo
ocfs2-kmp-rt
gfs2-kmp-rt
cluster-md-kmp-rt
kernel-rt-vdso
kernel-rt_debug-vdso
kernel-rt-optional
kernel-devel-rt
reiserfs-kmp-rt-debuginfo
kernel-rt_debug
kernel-rt_debug-devel-debuginfo
kernel-rt-devel
gfs2-kmp-rt-debuginfo
dlm-kmp-rt-debuginfo
kselftests-kmp-rt
kernel-syms-rt
kernel-rt-devel-debuginfo
kernel-rt_debug-devel
dlm-kmp-rt
kernel-rt_debug-debugsource
kernel-rt_debug-debuginfo
kernel-rt-livepatch

Install update from vendor's website.

Linux kernel - update to 6.2.8
kernel-livepatch-SLE15-SP4_Update_41-debugsource - update to 1-150400.9.3.1
kernel-livepatch-5_14_21-150400_24_167-default - update to 1-150400.9.3.1
kernel-livepatch-5_14_21-150400_24_167-default-debuginfo - update to 1-150400.9.3.1
kernel-livepatch-5_14_21-150500_55_110-default - update to 1-150500.11.7.1
kernel-livepatch-5_14_21-150500_55_110-default-debuginfo - update to 1-150500.11.7.1
kernel-livepatch-SLE15-SP5_Update_27-debugsource - update to 1-150500.11.7.1
bpftool - addressed in versions 4.19.90-2505.4.0.0328, 5.10.0-294.0.0.197
kernel - addressed in versions 4.19.90-2505.4.0.0328, 5.10.0-294.0.0.196, 5.10.0-294.0.0.197
python3-perf-debuginfo - addressed in versions 4.19.90-2505.4.0.0328, 5.10.0-294.0.0.196, 5.10.0-294.0.0.197
python3-perf - addressed in versions 4.19.90-2505.4.0.0328, 5.10.0-294.0.0.196, 5.10.0-294.0.0.197
python2-perf-debuginfo - update to 4.19.90-2505.4.0.0328
python2-perf - update to 4.19.90-2505.4.0.0328
perf - addressed in versions 4.19.90-2505.4.0.0328, 5.10.0-294.0.0.196, 5.10.0-294.0.0.197
kernel-tools-devel - addressed in versions 4.19.90-2505.4.0.0328, 5.10.0-294.0.0.196, 5.10.0-294.0.0.197
kernel-tools-debuginfo - addressed in versions 4.19.90-2505.4.0.0328, 5.10.0-294.0.0.196, 5.10.0-294.0.0.197
bpftool-debuginfo - addressed in versions 4.19.90-2505.4.0.0328, 5.10.0-294.0.0.197
kernel-debuginfo - addressed in versions 4.19.90-2505.4.0.0328, 5.10.0-294.0.0.196, 5.10.0-294.0.0.197
kernel-tools - addressed in versions 4.19.90-2505.4.0.0328, 5.10.0-294.0.0.196, 5.10.0-294.0.0.197
kernel-source - addressed in versions 4.19.90-2505.4.0.0328, 5.10.0-294.0.0.196, 5.10.0-294.0.0.197
perf-debuginfo - addressed in versions 4.19.90-2505.4.0.0328, 5.10.0-294.0.0.196, 5.10.0-294.0.0.197
kernel-devel - addressed in versions 4.19.90-2505.4.0.0328, 5.10.0-294.0.0.196, 5.10.0-294.0.0.197
kernel-debugsource - addressed in versions 4.19.90-2505.4.0.0328, 5.10.0-294.0.0.196, 5.10.0-294.0.0.197
kernel-headers - addressed in versions 5.10.0-294.0.0.196, 5.10.0-294.0.0.197
kernel-rt-debuginfo - addressed in versions 5.14.21-150400.15.121.1, 5.14.21-150500.13.97.1
kernel-source-rt - addressed in versions 5.14.21-150400.15.121.1, 5.14.21-150500.13.97.1
kernel-rt-debugsource - addressed in versions 5.14.21-150400.15.121.1, 5.14.21-150500.13.97.1
kernel-rt - addressed in versions 5.14.21-150400.15.121.1, 5.14.21-150500.13.97.1
kernel-default-debugsource - addressed in versions 5.14.21-150400.24.167.1, 5.14.21-150500.55.110.1
kernel-default-livepatch - addressed in versions 5.14.21-150400.24.167.1, 5.14.21-150500.55.110.1
kernel-default-debuginfo - addressed in versions 5.14.21-150400.24.167.1, 5.14.21-150500.55.110.1
kernel-default - addressed in versions 5.14.21-150400.24.167.1, 5.14.21-150500.55.110.1
kernel-default-livepatch-devel - addressed in versions 5.14.21-150400.24.167.1, 5.14.21-150500.55.110.1
kernel-rt-livepatch-devel - update to 5.14.21-150500.13.97.1
kernel-rt-extra - update to 5.14.21-150500.13.97.1
kernel-rt-vdso-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-extra-debuginfo - update to 5.14.21-150500.13.97.1
kernel-rt-optional-debuginfo - update to 5.14.21-150500.13.97.1
reiserfs-kmp-rt - update to 5.14.21-150500.13.97.1
cluster-md-kmp-rt-debuginfo - update to 5.14.21-150500.13.97.1
kernel-rt_debug-vdso-debuginfo - update to 5.14.21-150500.13.97.1
kselftests-kmp-rt-debuginfo - update to 5.14.21-150500.13.97.1
ocfs2-kmp-rt - update to 5.14.21-150500.13.97.1
gfs2-kmp-rt - update to 5.14.21-150500.13.97.1
cluster-md-kmp-rt - update to 5.14.21-150500.13.97.1
kernel-rt-vdso - update to 5.14.21-150500.13.97.1
kernel-rt_debug-vdso - update to 5.14.21-150500.13.97.1
kernel-rt-optional - update to 5.14.21-150500.13.97.1
kernel-devel-rt - 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 - 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-devel - update to 5.14.21-150500.13.97.1
gfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.97.1
dlm-kmp-rt-debuginfo - update to 5.14.21-150500.13.97.1
kselftests-kmp-rt - update to 5.14.21-150500.13.97.1
kernel-syms-rt - update to 5.14.21-150500.13.97.1
kernel-rt-devel-debuginfo - update to 5.14.21-150500.13.97.1
kernel-rt_debug-devel - update to 5.14.21-150500.13.97.1
dlm-kmp-rt - update to 5.14.21-150500.13.97.1
kernel-rt_debug-debugsource - update to 5.14.21-150500.13.97.1
kernel-rt_debug-debuginfo - update to 5.14.21-150500.13.97.1
kernel-rt-livepatch - update to 5.14.21-150500.13.97.1

• https://git.kernel.org/stable/c/3039d8b8692408438a618fac2776b629852663c3
• https://git.kernel.org/stable/c/499fef2030fb754c68b1c7cb3a799a3bc1d0d925
• https://git.kernel.org/stable/c/70e66bdeae4d0f7c8e87762f425b68aedd5e8955
• https://git.kernel.org/stable/c/ee0c5277d4fab920bd31345c49e193ecede9ecef
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.8

• NULL pointer dereference in Linux kernel ext4
• 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
• openEuler 22.03 LTS SP4 update for kernel
• openEuler 22.03 LTS SP3 update for kernel
• SUSE update for the Linux Kernel