#VU107696 NULL pointer dereference in Linux kernel - CVE-2025-38240
Published: April 22, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU107696
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-2025-38240
CWE-ID: CWE-476
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 NULL pointer dereference within the mtk_dp_parse_capabilities() and mtk_dp_wait_hpd_asserted() functions in drivers/gpu/drm/mediatek/mtk_dp.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/106a6de46cf4887d535018185ec528ce822d6d84
- https://git.kernel.org/stable/c/13ec849fd2eab808ee8eba2625df7ebea3b85edf
- https://git.kernel.org/stable/c/149a5c38436c229950cf1020992ce65c9549bc19
- https://git.kernel.org/stable/c/2fda391ef7a701748abd7fa32232981b522c1e07
- https://git.kernel.org/stable/c/57a9fb47551b33cde7b76d17c0072c3b394f4620
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.23