SB20250226669 - Race condition within a thread in Linux kernel ipv4
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226669
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-2022-49638)
The vulnerability allows a local user to corrupt data.
The vulnerability exists due to a data race within the icmp_global_allow() function in net/ipv4/icmp.c. A local user can corrupt data.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0cba7ca667ceb06934746ddd9833a25847bde81d
- https://git.kernel.org/stable/c/1740e5922fbb705637ae9fa5203db132fc45f9f6
- https://git.kernel.org/stable/c/48d7ee321ea5182c6a70782aa186422a70e67e22
- https://git.kernel.org/stable/c/53ecd09ef2fb35fa69667ae8e414ef6b00fd3bf6
- https://git.kernel.org/stable/c/798c2cf57c63ab39c8aac24d6a3d50f4fa5eeb06
- https://git.kernel.org/stable/c/e088ceb73c24ab4774da391d54a6426f4bfaefce
- https://git.kernel.org/stable/c/e2828e8c605853f71267825c9415437c0a93e4f2
- https://git.kernel.org/stable/c/edeec63b13c252193d626c2a48d7a2f0e7016dc2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.253