SB2025120467 - NULL pointer dereference in Linux kernel drm msm driver
Published: December 4, 2025
Security Bulletin ID
SB2025120467
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-2025-40247)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the msm_iommu_pagetable_prealloc_allocate() and msm_iommu_pagetable_prealloc_cleanup() functions in drivers/gpu/drm/msm/msm_iommu.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.