#VU106845 Buffer overflow in Linux kernel - CVE-2025-21966
Published: April 2, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU106845
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-21966
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the clone_bio() function in drivers/md/dm-flakey.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/57e9417f69839cb10f7ffca684c38acd28ceb57b
- https://git.kernel.org/stable/c/5a87e46da2418c57b445371f5ca0958d5779ba5f
- https://git.kernel.org/stable/c/818330f756f3800c37d738bd36bce60eac949938
- https://git.kernel.org/stable/c/da070843e153471be4297a12fdaa64023276f40e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.8