#VU106589 Use-after-free in Linux kernel - CVE-2025-21915
Published: April 2, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU106589
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-2025-21915
CWE-ID: CWE-416
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 a use-after-free error within the driver_override_show() function in drivers/cdx/cdx.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/0439d541aa8d3444ad41c39e39eb71acb57acde3
- https://git.kernel.org/stable/c/8473135f89c0949436a22adb05b8cece2fb3da91
- https://git.kernel.org/stable/c/91d44c1afc61a2fec37a9c7a3485368309391e0b
- https://git.kernel.org/stable/c/d7b339bbc887bcfc1a5b620bfc70c6fbb8f733bf
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.83