SB20240608142 - Race condition within a thread in Linux kernel
Published: June 8, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240608142
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
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-2022-48689)
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to a data race within the skb_frag_size_add() function in net/ipv4/tcp.c, within the __zerocopy_sg_from_iter() function in net/core/datagram.c. A local user can execute arbitrary code.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/8527c9a6bf8e54fef0a8d3d7d8874a48c725c915
- https://git.kernel.org/stable/c/6730c48ed6b0cd939fc9b30b2d621ce0b89bea83
- https://git.kernel.org/stable/c/3261400639463a853ba2b3be8bd009c2a8089775
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.68
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0