SB20241230175 - NULL pointer dereference in Linux kernel dma-buf driver
Published: December 30, 2024 Updated: May 11, 2025
Security Bulletin ID
SB20241230175
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-2024-56544)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the vmap_udmabuf(), release_udmabuf() and udmabuf_create() functions in drivers/dma-buf/udmabuf.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.