SB2024062057 - NULL pointer dereference in Linux kernel tee amdtee driver
Published: June 20, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024062057
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2021-47601)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the copy_ta_binary() function in drivers/tee/amdtee/core.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/640e28d618e82be78fb43b4bf5113bc90d6aa442
- https://git.kernel.org/stable/c/832f3655c6138c23576ed268e31cc76e0f05f2b1
- https://git.kernel.org/stable/c/9d7482771fac8d8e38e763263f2ca0ca12dd22c6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.88
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16