SB20250226577 - Improper error handling in Linux kernel ext4
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226577
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-2022-49708)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the ext4_mb_normalize_request() function in fs/ext4/mballoc.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/5707d721d1819db57dba57b1d4623034fcb32047
- https://git.kernel.org/stable/c/6880fb2e64331b9fdc85d3f32b1d7e81ad8703f1
- https://git.kernel.org/stable/c/6fdaf31ad5f3d3afab744dfd9a8b0d9142aa881f
- https://git.kernel.org/stable/c/887a3e9ad4b8309a2266bce7ae749b2bf1f7a687
- https://git.kernel.org/stable/c/90f0f9d45dff0128c0fca0d2358c4153b024afa6
- https://git.kernel.org/stable/c/a08f789d2ab5242c07e716baf9a835725046be89
- https://git.kernel.org/stable/c/a37c1359714da42517dd19d36fc3c4d17edba832
- https://git.kernel.org/stable/c/a6b31616e5afe1d3972cb0682a373e50597faf5c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.200