SB2026011468 - Improper error handling in Linux kernel f2fs
Published: January 14, 2026
Security Bulletin ID
SB2026011468
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-2025-68796)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the f2fs_do_zero_range() function in fs/f2fs/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/4f244c64efe628d277b916f47071adf480eb8646
- https://git.kernel.org/stable/c/7c37c79510329cd951a4dedf3f7bf7e2b18dccec
- https://git.kernel.org/stable/c/bac23833220a1f8fe8dfab7e16efa20ff64d7589
- https://git.kernel.org/stable/c/e50b81c50fcbe63f50405bb40f262162ff32af88
- https://git.kernel.org/stable/c/efe3371001f50a2d6f746b50bdc6f9f26b2089ec