SB20250619173 - Use-after-free in Linux kernel ext4
Published: June 19, 2025 Updated: June 21, 2025
Security Bulletin ID
SB20250619173
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-2022-50083)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the fs/ext4/xattr.h. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0e69cf833161b29b2e25dcbf2f2b4e70d75b15cf
- https://git.kernel.org/stable/c/179b14152dcb6a24c3415200603aebca70ff13af
- https://git.kernel.org/stable/c/214c68423fd632646c68f3ec8b3c2602cf8273f3
- https://git.kernel.org/stable/c/2da44a2927a71bff2bc66cefa8cfbd2ace702536
- https://git.kernel.org/stable/c/37d82aa78346866552d573e8badc0aa8db8f1eea
- https://git.kernel.org/stable/c/4cdc284ffadd6a989f24107ee7f09be43b748fbb
- https://git.kernel.org/stable/c/748d17d47687e178f8e38938447fa4636c071c41
- https://git.kernel.org/stable/c/e6321fda51e5b4dd7ec295afb84cbf63c2634c7b
- https://git.kernel.org/stable/c/f217b1ccb178475192e6a516fab7230f51ddae94
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.291