SB20250226368 - NULL pointer dereference in Linux kernel f2fs
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226368
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) NULL pointer dereference (CVE-ID: CVE-2022-49282)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the f2fs_quota_sync() function in fs/f2fs/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/680af5b824a52faa819167628665804a14f0e0df
- https://git.kernel.org/stable/c/724469814d805820cd37ea789769dba94123ff1a
- https://git.kernel.org/stable/c/e58ee6bd939b773675240f5d0f5b88a367c037c4
- https://git.kernel.org/stable/c/e9ebf1e8fc50b6a9336f9aea1082d7845e568d0e
- https://git.kernel.org/stable/c/f1d5946d47c0827bae39e1537959ce8d6f0224c5
- https://git.kernel.org/stable/c/f9156db0987f1b426015d56505e2c58dee70c90d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.33