SB2025042252 - Use-after-free in Linux kernel exfat
Published: April 22, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025042252
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-2025-22036)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the exfat_get_block() function in fs/exfat/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/1bb7ff4204b6d4927e982cd256286c09ed4fd8ca
- https://git.kernel.org/stable/c/49b0a6ab8e528a0c1c50e37cef9b9c7c121365f2
- https://git.kernel.org/stable/c/f7447286363dc1e410bf30b87d75168f3519f9cc
- https://git.kernel.org/stable/c/f807a6bf2005740fa26b4f59c4a003dc966b9afd
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14.2