Race condition within a thread in Linux kernel - CVE-2025-37804
Published: May 8, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108819
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-37804
CWE-ID: CWE-366
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to corrupt data.
The vulnerability exists due to a data race within the io_wq_free_work() function in io_uring/io_uring.c. A local user can corrupt data.
How to mitigate CVE-2025-37804
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/3568fd9e440ea393c7d8bee253419ea11fd8e9d9
- https://git.kernel.org/stable/c/390513642ee6763c7ada07f0a1470474986e6c1c
- https://git.kernel.org/stable/c/6d2753b46452a557a12f7ef1ef4ee6641b4e89d8
- https://git.kernel.org/stable/c/c5d4d103005d8926cdad344f9fc947e651c9f2f7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.89