SB20251230117 - Memory leak in Linux kernel bpf
Published: December 30, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251230117
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-2022-50855)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the bpf_prog_attach() function in kernel/bpf/syscall.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/6a1504dd36cd9a0a69250d61da8bdb17b29f1fe8
- https://git.kernel.org/stable/c/82b39df5ddb298daaf6dc504032ff7eb027fa106
- https://git.kernel.org/stable/c/e89f3edffb860a0f54a9ed16deadb7a4a1fa3862
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2