SB20240531155 - Use-after-free in Linux kernel tee amdtee driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531155
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-2023-52503)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the destroy_session(), amdtee_open_session() and amdtee_close_session() functions in drivers/tee/amdtee/core.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/da7ce52a2f6c468946195b116615297d3d113a27
- https://git.kernel.org/stable/c/1680c82929bc14d706065f123dab77f2f1293116
- https://git.kernel.org/stable/c/60c3e7a00db954947c265b55099c21b216f2a05c
- https://git.kernel.org/stable/c/1c95574350cd63bc3c5c2fa06658010768f2a0ce
- https://git.kernel.org/stable/c/f4384b3e54ea813868bb81a861bf5b2406e15d8f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.199
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.136
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.59
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6