SB2025100517 - NULL pointer dereference in Linux kernel drm mediatek driver
Published: October 5, 2025 Updated: October 27, 2025
Security Bulletin ID
SB2025100517
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-2023-53534)
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_drm_crtc_create() function in drivers/gpu/drm/mediatek/mtk_drm_crtc.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/5bf1e3bd7da625ccf9a22c8cb7d65271e6e47f4c
- https://git.kernel.org/stable/c/62952905e195f7350bc230cf0960a74ddbceed5d
- https://git.kernel.org/stable/c/67ea657c7891c2f86a7750395640d9bdf2555926
- https://git.kernel.org/stable/c/7d569ae98ee5490585929be69fea68047679b7b2
- https://git.kernel.org/stable/c/b64b6dff15a38468b8cd33fc7864fa4e02b0933a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.173