SB20250327117 - Out-of-bounds read in Linux kernel f2fs
Published: March 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250327117
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) Out-of-bounds read (CVE-ID: CVE-2022-49738)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the is_alive() function in fs/f2fs/gc.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/5b25035fb888cb2f78bf0b9c9f95b1dc54480d36
- https://git.kernel.org/stable/c/914e38f02a490dafd980ff0f39cccedc074deb29
- https://git.kernel.org/stable/c/97ccfffcc061e54ce87e4a51a40e2e9cb0b7076a
- https://git.kernel.org/stable/c/d3b7b4afd6b2c344eabf9cc26b8bfa903c164c7c
- https://git.kernel.org/stable/c/e5142a4935c1f15841d06047b8130078fc4d7b8f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.232