SB20250422185 - Input validation error in Linux kernel exfat
Published: April 22, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250422185
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) Input validation error (CVE-ID: CVE-2025-22076)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the exfat_file_write_iter(), exfat_file_read_iter() and exfat_file_mmap() functions in fs/exfat/file.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/47e35366bc6fa3cf189a8305bce63992495f3efa
- https://git.kernel.org/stable/c/4a9595eb024b8319957c178be3cdeed613ac0795
- https://git.kernel.org/stable/c/539147585ca453db6e3d7a5cf3b9c9690513762d
- https://git.kernel.org/stable/c/e41e33eb795cb9c1ead6ac627d8710546fac6e81
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.11