SB2025121050 - Memory leak in Linux kernel bpf
Published: December 10, 2025 Updated: December 12, 2025
Security Bulletin ID
SB2025121050
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) Memory leak (CVE-ID: CVE-2022-50650)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the acquire_reference_state(), release_reference_state(), prepare_func_exit(), record_func_key() and do_check() functions in kernel/bpf/verifier.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/4ed5155043c97ac8912bcf67331df87c833fb067
- https://git.kernel.org/stable/c/9d9d00ac29d0ef7ce426964de46fa6b380357d0a
- https://git.kernel.org/stable/c/aed931fd3b6e28f19cc140ff90aa5046ee2aa4e1
- https://git.kernel.org/stable/c/caa176c0953cdfd5ce500fb517ce1ea924a8bc4c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.17