SB20250620112 - Improper error handling in Linux kernel bpf
Published: June 20, 2025 Updated: June 21, 2025
Security Bulletin ID
SB20250620112
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper error handling (CVE-ID: CVE-2022-49970)
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 website.
References
- 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