SB2025082032 - Use-after-free in Linux kernel f2fs
Published: August 20, 2025
Security Bulletin ID
SB2025082032
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-2025-38577)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the f2fs_update_inode_page() function in fs/f2fs/inode.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/42f9ea16aea8b49febaa87950a006a1792209f38
- https://git.kernel.org/stable/c/4732ca17c17f5062426cfa982f43593e6b81963b
- https://git.kernel.org/stable/c/880ef748e78a1eb7df2d8e11a9ef21e98bcaabe5
- https://git.kernel.org/stable/c/97df495d754116c8c28ac6a4112f831727bde887
- https://git.kernel.org/stable/c/9bbfe83924946552c4c513099c0e8c83af76311a
- https://git.kernel.org/stable/c/a509a55f8eecc8970b3980c6f06886bbff0e2f68