Use-after-free in Linux kernel - CVE-2025-71274
Published: May 7, 2026
Vulnerability identifier: #VU130630
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-2025-71274
CWE-ID: CWE-416
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 use-after-free in driver_override_show() when reading the driver_override string concurrently with updates. A local user can trigger concurrent read and write operations to cause a denial of service.
How to mitigate CVE-2025-71274
Install security update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/2e4a70f3c30910427e5ea848b799066d67b963d5
- https://git.kernel.org/stable/c/392c6b68334aa0e0ae9aba95c0a366bcb0d92f5d
- https://git.kernel.org/stable/c/42023d4b6d2661a40ee2dcf7e1a3528a35c638ca
- https://git.kernel.org/stable/c/47615557447185917afa432b7958f87583c417cb
- https://git.kernel.org/stable/c/7654e6e3cd6bdee9602f6063b3c670bd556d7e61
- https://git.kernel.org/stable/c/90c8353f471821d7ccd4fe573a2402e056192494
- https://git.kernel.org/stable/c/954557957177c3c13d7c655976665b1170da5e50
- https://git.kernel.org/stable/c/d66b8074c555e8abb0ae19eea1c9f3635498bdde