#VU106594 Use-after-free in Linux kernel - CVE-2025-21923
Published: April 2, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU106594
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-2025-21923
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 steam_remove() function in drivers/hid/hid-steam.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/026714ec7546de741826324a6a1914c91024d06c
- https://git.kernel.org/stable/c/a899adf7063c6745aaff1ec869f3c7f6329ed0a1
- https://git.kernel.org/stable/c/e53fc232a65f7488ab75d03a5b95f06aaada7262
- https://git.kernel.org/stable/c/ea3f18d2f02629653b7bfe42607737ccd1343e54
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.7