Race condition in Linux kernel - CVE-2026-53352
Published: July 2, 2026
Vulnerability identifier: #VU136693
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-53352
CWE-ID: CWE-362
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 cause a denial of service.
The vulnerability exists due to a race condition in zap_other_threads() when handling a concurrent execve() during a pending group stop. A local user can trigger this race to cause a denial of service.
The issue occurs when a multithreaded process receives a stop signal while one thread concurrently calls execve().
How to mitigate CVE-2026-53352
Install security update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/2b32b2fb241435145ea199efac024540759d2495
- https://git.kernel.org/stable/c/391ebe74456a0f1d60b3ba4a8a64d9f44c1728fe
- https://git.kernel.org/stable/c/76aebd9ef20078719dfd6282d3b06c27e900a65a
- https://git.kernel.org/stable/c/8c046f36222c6ce1e0daef2c45c891c72602f8a1
- https://git.kernel.org/stable/c/90918794a4e2c3b440f8fcf3847765a8b1d81b25
- https://git.kernel.org/stable/c/dfcd0ba14769d94d76ac9d9814b85e7fcacd4e29
- https://git.kernel.org/stable/c/f4aae11abb449dc536269705d0419ec69480faa9
- https://git.kernel.org/stable/c/f8d720bc2e35d568c18be0644e92a468de428370