SB2025010726 - Use-after-free in Linux kernel dma driver
Published: January 7, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025010726
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2024-56767)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the at_xdmac_prep_dma_memset() function in drivers/dma/at_xdmac.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/54376d8d26596f98ed7432a788314bb9154bf3e3
- https://git.kernel.org/stable/c/c43ec96e8d34399bd9dab2f2dc316b904892133f
- https://git.kernel.org/stable/c/e658f1c133b854b2ae799147301d82dddb8f3162
- https://git.kernel.org/stable/c/fdba6d5e455388377ec7e82a5913ddfcc7edd93b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.123