#VU95098 Input validation error in Linux kernel - CVE-2024-42121
Published: July 31, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU95098
Vulnerability risk: Low
CVSSv4.0: 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
CVE-ID: CVE-2024-42121
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the read() and write() functions in drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/b5b8837d066cc182ff69fb5629ad32ade5484567
- https://git.kernel.org/stable/c/fbb0701af9734cff13917a4b98b5ee9da2fde48d
- https://git.kernel.org/stable/c/ae91ffbc8b8d942e3e7f188728cad557b7ed5ee4
- https://git.kernel.org/stable/c/9933eca6ada0cd612e19522e7a319bcef464c0eb
- https://git.kernel.org/stable/c/a31ea49dc8064a557565725cf045944307476a6e
- https://git.kernel.org/stable/c/59d99deb330af206a4541db0c4da8f73880fba03
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.222
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.163
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.98
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.39