Resource management error in Linux kernel - CVE-2022-50313

Vulnerability identifier: #VU115608

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-2022-50313

CWE-ID: CWE-399

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 resource management error within the erofs_fill_symlink() function in fs/erofs/inode.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 5.19.17
python3-perf-debuginfo - addressed in versions 5.10.0-283.0.0.185, 5.10.0-283.0.0.186
python3-perf - addressed in versions 5.10.0-283.0.0.185, 5.10.0-283.0.0.186
perf-debuginfo - addressed in versions 5.10.0-283.0.0.185, 5.10.0-283.0.0.186
perf - addressed in versions 5.10.0-283.0.0.185, 5.10.0-283.0.0.186
kernel-tools-devel - addressed in versions 5.10.0-283.0.0.185, 5.10.0-283.0.0.186
kernel-tools-debuginfo - addressed in versions 5.10.0-283.0.0.185, 5.10.0-283.0.0.186
kernel-tools - addressed in versions 5.10.0-283.0.0.185, 5.10.0-283.0.0.186
kernel-source - addressed in versions 5.10.0-283.0.0.185, 5.10.0-283.0.0.186
kernel-headers - addressed in versions 5.10.0-283.0.0.185, 5.10.0-283.0.0.186
kernel-devel - addressed in versions 5.10.0-283.0.0.185, 5.10.0-283.0.0.186
kernel-debugsource - addressed in versions 5.10.0-283.0.0.185, 5.10.0-283.0.0.186
kernel-debuginfo - addressed in versions 5.10.0-283.0.0.185, 5.10.0-283.0.0.186
kernel - addressed in versions 5.10.0-283.0.0.185, 5.10.0-283.0.0.186
bpftool-debuginfo - update to 5.10.0-283.0.0.186
bpftool - update to 5.10.0-283.0.0.186

• https://git.kernel.org/stable/c/0ab621fcdff1a58ff4de51a8590fa92a0ecd34be
• https://git.kernel.org/stable/c/17a0cdbd7b0cf0fc0d7ca4187a67f8f1c18c291f
• https://git.kernel.org/stable/c/1dd73601a1cba37a0ed5f89a8662c90191df5873
• https://git.kernel.org/stable/c/6235fb899b25fd287d5e42635ff82196395708cc
• https://git.kernel.org/stable/c/acc2f40b980c61a9178b72cdedd150b829064997
• https://git.kernel.org/stable/c/b6c8330f5b0f22149957a2e4977fd0f01a9db7cd
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.17

• Resource management error in Linux kernel erofs
• openEuler 22.03 LTS SP4 update for kernel
• openEuler 22.03 LTS SP3 update for kernel