NULL pointer dereference in Linux kernel - CVE-2022-50057

Vulnerability identifier: #VU111496

CSH Severity: Low

CVSS v4 BT: 4.3 [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/E:U/U:Clear]

CVE-ID: CVE-2022-50057

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 ntfs_update_mftmirr() function in fs/ntfs3/fsntfs.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
openEuler
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
kernel
bpftool-debuginfo
bpftool

Install update from vendor's repository.

Linux kernel - update to 5.19.4
python3-perf-debuginfo - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173
python3-perf - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173
perf-debuginfo - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173
perf - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173
kernel-tools-devel - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173
kernel-tools-debuginfo - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173
kernel-tools - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173
kernel-source - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173
kernel-headers - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173
kernel-devel - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173
kernel-debugsource - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173
kernel-debuginfo - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173
kernel - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173
bpftool-debuginfo - update to 5.10.0-270.0.0.173
bpftool - update to 5.10.0-270.0.0.173

• https://git.kernel.org/stable/c/321460ca3b55f48b3ba6008248264ab2bd6407d9
• https://git.kernel.org/stable/c/8e8e1a84dac7a3d2b432162a70d7fb6a75960772
• https://git.kernel.org/stable/c/bf6089dc01ba3194ab962105d7b85690843c256f
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.4

• NULL pointer dereference in Linux kernel ntfs3
• openEuler 22.03 LTS SP4 update for kernel
• openEuler 22.03 LTS SP3 update for kernel