SB20250226654 - Race condition within a thread in Linux kernel ipv4
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226654
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Race condition within a thread (CVE-ID: CVE-2022-49597)
The vulnerability allows a local user to corrupt data.
The vulnerability exists due to a data race within the tcp_mtu_probing() function in net/ipv4/tcp_timer.c, within the tcp_mtup_init() function in net/ipv4/tcp_output.c. A local user can corrupt data.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/30b73edc1d2459ba2c71cb58fbf84a1a6e640fbf
- https://git.kernel.org/stable/c/4d7dea651b7fe0322be95054f64e3711afccc543
- https://git.kernel.org/stable/c/514d2254c7b8aa2d257f5ffc79f0d96be2d6bfda
- https://git.kernel.org/stable/c/88d78bc097cd8ebc6541e93316c9d9bf651b13e8
- https://git.kernel.org/stable/c/9ca18116bc16ec31b9a3ce28ea1350badfa36128
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.15