#VU121375 Use-after-free in Linux kernel - CVE-2025-68804
Published: January 14, 2026
Vulnerability identifier: #VU121375
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-2025-68804
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 cros_ec_ishtp_remove() function in drivers/platform/chrome/cros_ec_ishtp.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/24a2062257bbdfc831de5ed21c27b04b5bdf2437
- https://git.kernel.org/stable/c/393b8f9bedc7806acb9c47cefdbdb223b4b6164b
- https://git.kernel.org/stable/c/4701493ba37654b3c38b526f6591cf0b02aa172f
- https://git.kernel.org/stable/c/8dc1f5a85286290dbf04dd5951d020570f49779b
- https://git.kernel.org/stable/c/944edca81e7aea15f83cf9a13a6ab67f711e8abd