SB2025042274 - NULL pointer dereference in Linux kernel drm mediatek driver
Published: April 22, 2025 Updated: May 10, 2025
Security Bulletin ID
SB2025042274
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-2025-38240)
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.
References
- 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