SB2025091949 - Memory leak in Linux kernel sched
Published: September 19, 2025 Updated: September 22, 2025
Security Bulletin ID
SB2025091949
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-2022-50396)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the tcindex_set_parms() function in net/sched/cls_tcindex.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/399ab7fe0fa0d846881685fd4e57e9a8ef7559f7
- https://git.kernel.org/stable/c/55ac68b53f1cea1926ee2313afc5d66b91daad71
- https://git.kernel.org/stable/c/6c55953e232ea668731091d111066521f3b7719b
- https://git.kernel.org/stable/c/b314f6c3512108d7a656c5caf07c82d1bbbdc0f1
- https://git.kernel.org/stable/c/c4de6057e7c6654983acb63d939d26ac0d7bbf39
- https://git.kernel.org/stable/c/facc4405e8b7407e03216207b1d1d640127de0c8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.5