SB2024071325 - Use-after-free in Linux kernel typec tcpm driver
Published: July 13, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024071325
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-2024-40903)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the tcpm_register_sink_caps() function in drivers/usb/typec/tcpm/tcpm.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/4053696594d7235f3638d49a00cf0f289e4b36a3
- https://git.kernel.org/stable/c/04c05d50fa79a41582f7bde8a1fd4377ae4a39e5
- https://git.kernel.org/stable/c/6b67b652849faf108a09647c7fde9b179ef24e2b
- https://git.kernel.org/stable/c/e7e921918d905544500ca7a95889f898121ba886
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.95
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.35