SB20250226670 - Race condition within a thread in Linux kernel networking
Published: February 26, 2025 Updated: May 11, 2025
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-2022-49639)
The vulnerability allows a local user to corrupt data.
The vulnerability exists due to a data race within the cipso_v4_cache_check(), cipso_v4_cache_add(), cipso_v4_gentag_rbm() and cipso_v4_validate() functions in net/ipv4/cipso_ipv4.c. A local user can corrupt data.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/07b0caf8aeb9b82e6ecc6c292a3e47c7fcdb1148
- https://git.kernel.org/stable/c/0e41a0f73ccb9be112a80bde3804a771633caaef
- https://git.kernel.org/stable/c/2764f82bbc158d106693ae3ced3675cf4b963b35
- https://git.kernel.org/stable/c/59e26906b89cc35bb54476498772b45cbc32323f
- https://git.kernel.org/stable/c/c321e99d2725d11f7e6a4ebd9ce752259f0bae81
- https://git.kernel.org/stable/c/ca26ca5e2f3eeb3e6fe699cd6effa3b4b2aa8698
- https://git.kernel.org/stable/c/dd44f04b9214adb68ef5684ae87a81ba03632250
- https://git.kernel.org/stable/c/fe2a35fa2c4f9c8ce5ef970eb927031387f9446a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.132