#VU111612 Improper error handling in Linux kernel - CVE-2022-49970
Published: June 20, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111612
Vulnerability risk: Low
CVSSv4.0: 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-2022-49970
CWE-ID: CWE-388
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the purge_effective_progs() function in kernel/bpf/cgroup.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/222bd95c89b135fde21f0bd0cb5cc1611c0c576c
- https://git.kernel.org/stable/c/7d6620f107bae6ed687ff07668e8e8f855487aa9
- https://git.kernel.org/stable/c/a1a05d3ae58299b040da4d5b27e72e81c2132e0b
- https://git.kernel.org/stable/c/c5f975e3ebfa57be13393c585a4b58ea707023cb
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.142