SB20250226681 - Race condition within a thread in Linux kernel net
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226681
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-2022-49578)
The vulnerability allows a local user to corrupt data.
The vulnerability exists due to a data race within the ipv4_local_port_range() and ipv4_privileged_ports() functions in net/ipv4/sysctl_net_ipv4.c. A local user can corrupt data.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/95724fe897a4ecf2be51452ef96e818568071664
- https://git.kernel.org/stable/c/9add240f76af6d141d2eebd3a1558a0e503a993d
- https://git.kernel.org/stable/c/9b55c20f83369dd54541d9ddbe3a018a8377f451
- https://git.kernel.org/stable/c/ef699813d99cc29e6e25c9f6da7766526cc8bd6e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.15