SB2025100465 - Use-after-free in Linux kernel nilfs2
Published: October 4, 2025 Updated: October 27, 2025
Security Bulletin ID
SB2025100465
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2023-53608)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the nilfs_segctor_thread() function in fs/nilfs2/segment.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/034cce77d52ba013ce62b4f5258c29907eb1ada5
- https://git.kernel.org/stable/c/0dbf0e64b91ee8fcb278aea93eb06fc7d56ecbcc
- https://git.kernel.org/stable/c/613bf23c070d11c525268f2945aa594704a9b764
- https://git.kernel.org/stable/c/6be49d100c22ffea3287a4b19d7639d259888e33
- https://git.kernel.org/stable/c/92684e02654c91a61a0b0561433b710bcece19fe
- https://git.kernel.org/stable/c/b4d80bd6370b81a1725b6b8f7894802c23a14e9f
- https://git.kernel.org/stable/c/bae009a2f1b7c2011d2e92d8c84868d315c0b97e
- https://git.kernel.org/stable/c/f32297dba338dc06d62286dedb3cdbd5175b1719
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.178