SB2026030465 - Buffer overflow in Linux kernel f2fs
Published: March 4, 2026
Security Bulletin ID
SB2026030465
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) Buffer overflow (CVE-ID: CVE-2026-23233)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the check_swap_activate() function in fs/f2fs/data.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/1ff415eef513bf12deb058fc50d57788c46c48e6
- https://git.kernel.org/stable/c/5c145c03188bc9ba1c29e0bc4d527a5978fc47f9
- https://git.kernel.org/stable/c/607cb9d83838d2cd9f0406c2403ed61aadf0edff
- https://git.kernel.org/stable/c/d4534a7f6c92baaf7e12a45fc6e37332cafafc33
- https://git.kernel.org/stable/c/fee27b69dde1a05908b350eea42937af2387c4fe