Buffer overflow in Linux kernel - CVE-2022-50230

Vulnerability identifier: #VU111681

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-2022-50230

CWE-ID: CWE-119

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 memory corruption within the SYM_FUNC_START_LOCAL() function in arch/arm64/kernel/head.S. 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 5.19.1
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/9283e708a9b8529e7aafac9ab5c5c79a9fab8846
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.1

• Buffer overflow in Linux kernel include asm
• openEuler 22.03 LTS SP4 update for kernel
• openEuler 22.03 LTS SP3 update for kernel