SB2026011427 - Use-after-free in Linux kernel platform chrome driver
Published: January 14, 2026
Security Bulletin ID
SB2026011427
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2025-68804)
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 website.
References
- 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