SB20240531420 - NULL pointer dereference in Linux kernel iommu intel driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531420
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-2024-27079)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the intel_pasid_setup_nested() function in drivers/iommu/intel/pasid.c, within the domain_context_clear() and intel_iommu_release_device() functions in drivers/iommu/intel/iommu.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.