SB2024093095 - Input validation error in Linux kernel dc hdcp driver
Published: September 30, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024093095
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) Input validation error (CVE-ID: CVE-2024-46814)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the hdmi_14_process_transaction() and dp_11_process_transaction() functions in drivers/gpu/drm/amd/display/dc/hdcp/hdcp_msg.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/916083054670060023d3f8a8ace895d710e268f4
- https://git.kernel.org/stable/c/fe63daf7b10253b0faaa60c55d6153cd276927aa
- https://git.kernel.org/stable/c/0147505f08220c89b3a9c90eb608191276e263a8
- https://git.kernel.org/stable/c/cb63090a17d3abb87f132851fa3711281249b7d2
- https://git.kernel.org/stable/c/6590643c5de74098d27933b7d224d5ac065d7755
- https://git.kernel.org/stable/c/fa71face755e27dc44bc296416ebdf2c67163316
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.226
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.167
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.109
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.50