SB2025072750 - NULL pointer dereference in Linux kernel modules hdcp driver
Published: July 27, 2025
Security Bulletin ID
SB2025072750
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 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2025-38362)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the mod_hdcp_hdcp1_enable_encryption() function in drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.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/1ebcdf38887949def1a553ff3e45c98ed95a3cd0
- https://git.kernel.org/stable/c/34d3e10ab905f06445f8dbd8a3d9697095e71bae
- https://git.kernel.org/stable/c/4ce9f2dc9ff7cc410e8c5d936ec551e26b9599a9
- https://git.kernel.org/stable/c/5148c7ea69e9c5bf2f05081190f45ba96d3d1e7a
- https://git.kernel.org/stable/c/b3005145eab98d36777660b8893466e4f630ae1c
- https://git.kernel.org/stable/c/c3e9826a22027a21d998d3e64882fa377b613006