SB2025032814 - Input validation error in Linux kernel gfs2
Published: March 28, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025032814
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-2022-49739)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the gfs2_dinode_in() function in fs/gfs2/glops.c, within the gfs2_unstuffer_page() function in fs/gfs2/bmap.c, within the stuffed_readpage() function in fs/gfs2/aops.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/45df749f827c286adbc951f2a4865b67f0442ba9
- https://git.kernel.org/stable/c/46c9088cabd4d0469fdb61ac2a9c5003057fe94d
- https://git.kernel.org/stable/c/4d4cb76636134bf9a0c9c3432dae936f99954586
- https://git.kernel.org/stable/c/70376c7ff31221f1d21db5611d8209e677781d3a
- https://git.kernel.org/stable/c/7c414f6f06e9a3934901b6edc3177ae5a1e07094
- https://git.kernel.org/stable/c/d458a0984429c2d47e60254f5bc4119cbafe83a2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.11