SB2025022727 - Input validation error in Linux kernel dax driver
Published: February 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025022727
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-2022-49220)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the dax_fs_init() function in drivers/dax/super.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/770d42fff12d8595adda9025a0b92091f543e775
- https://git.kernel.org/stable/c/a7e8de822e0b1979f08767c751f6c8a9c1d4ad86
- https://git.kernel.org/stable/c/b786abe7c67c6ef71410c8e23292b3091d616ad1
- https://git.kernel.org/stable/c/e2951eaa9398415ac054b7bd80b8163b6838ead4
- https://git.kernel.org/stable/c/ec376f5c11c88c0215d173599db8449cd4196759
- https://git.kernel.org/stable/c/f2a1e0eb70c2d954176c07d75d28742bde30e9f3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.19