SB20251210140 - Improper error handling in Linux kernel ext4
Published: December 10, 2025 Updated: December 12, 2025
Security Bulletin ID
SB20251210140
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) Improper error handling (CVE-ID: CVE-2022-50638)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the swap_inode_boot_loader() function in fs/ext4/ioctl.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/5f8d36abd2059bf1bd016b17d1fe78d8613deddd
- https://git.kernel.org/stable/c/71e99ec1315fe98d322b17b9a28f204aaf15ffee
- https://git.kernel.org/stable/c/78e335fb573e6a85718c4c24d5a052718a99a9ed
- https://git.kernel.org/stable/c/991ed014de0840c5dc405b679168924afb2952ac
- https://git.kernel.org/stable/c/a125c8806b7d3c3815b6f9f59d395b9d7527b0ef
- https://git.kernel.org/stable/c/a95ba369255ddcdc5e43d38bc5203537bdf3a518
- https://git.kernel.org/stable/c/d480a49c15c465cb9a16db1379f4996e9b5bb9cc
- https://git.kernel.org/stable/c/e76ede9d2c9e0af4573342b56d7cdbf757c18084
- https://git.kernel.org/stable/c/feec0ea94c5ef4aa118750284c8a921698733ef2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.18