SB2025120846 - Memory leak in Linux kernel sched
Published: December 8, 2025
Security Bulletin ID
SB2025120846
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-2025-40278)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the tcf_ife_dump() function in net/sched/act_ife.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/2191662058443e0bcc28d11694293d8339af6dde
- https://git.kernel.org/stable/c/37f0680887c5aeba9a433fe04b35169010568bb1
- https://git.kernel.org/stable/c/5e3644ef147bf7140259dfa4cace680c9b26fe8b
- https://git.kernel.org/stable/c/918e063304f945fb93be9bb70cacea07d0b730ea
- https://git.kernel.org/stable/c/a676a296af65d33725bdf7396803180957dbd92e
- https://git.kernel.org/stable/c/c8f51dad94cbb88054e2aacc272b3ce1ed11fb1e
- https://git.kernel.org/stable/c/ce50039be49eea9b4cd8873ca6eccded1b4a130a
- https://git.kernel.org/stable/c/d1dbbbe839647486c9b893e5011fe84a052962df