SB2026011437 - Use-after-free in Linux kernel usb phy driver
Published: January 14, 2026
Security Bulletin ID
SB2026011437
CSH 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 vulnerability.
1) Use-after-free (CVE-ID: CVE-2025-68781)
CWE-ID: CWE-416 - Use After Free
CVSSv4: 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
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the fsl_otg_remove() function in drivers/usb/phy/phy-fsl-usb.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/2e7c47e2eb3cfeadf78a1ccbac8492c60d508f23
- https://git.kernel.org/stable/c/319f7a85b3c4e34ac2fe083eb146fe129a556317
- https://git.kernel.org/stable/c/41ca62e3e21e48c2903b3b45e232cf4f2ff7434f
- https://git.kernel.org/stable/c/4476c73bbbb09b13a962176fca934b32d3954a2e
- https://git.kernel.org/stable/c/69f9a0701abc3d1f8225074c56c27e6c16a37222