SB2025022724 - Input validation error in Linux kernel f2fs
Published: February 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025022724
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) Input validation error (CVE-ID: CVE-2022-49318)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the __is_bitmap_valid() and f2fs_is_valid_blkaddr() functions in fs/f2fs/checkpoint.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/0a7a1fc7e71eecf2e5053a6c312c9f0dcbb9b8fd
- https://git.kernel.org/stable/c/32bea51fe4c6e92c00403739f7547c89219bea88
- https://git.kernel.org/stable/c/8c62c5e26345c34d199b4b8c8e69255ba3d0e751
- https://git.kernel.org/stable/c/99c09b298e47ebbe345a6da9f268b32a6b0f4582
- https://git.kernel.org/stable/c/cd6374af36cc548464d8c47a93fdba7303bb82a4
- https://git.kernel.org/stable/c/dc2f78e2d4cc844a1458653d57ce1b54d4a29f21
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.122
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.47
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.198