SB20250226684 - Race condition within a thread in Linux kernel ipv4
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226684
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-2022-49585)
The vulnerability allows a local user to corrupt data.
The vulnerability exists due to a data race within the tcp_fastopen_active_disable() function in net/ipv4/tcp_fastopen.c. A local user can corrupt data.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/021266ec640c7a4527e6cd4b7349a512b351de1d
- https://git.kernel.org/stable/c/0dc2f19d8c2636cebda7976b5ea40c6d69f0d891
- https://git.kernel.org/stable/c/8afa5604e295046c02b79ccf9e2bbbf8d969d60e
- https://git.kernel.org/stable/c/a77a75a0e7f397550ab039f96115103e78dd5c69
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.58