SB2024123095 - Use-after-free in Linux kernel drm xlnx driver
Published: December 30, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024123095
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-2024-56538)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the zynqmp_dpsub_drm_cleanup() function in drivers/gpu/drm/xlnx/zynqmp_kms.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/2e07c88914fc5289c21820b1aa94f058feb38197
- https://git.kernel.org/stable/c/4fb97432e28a7e136b2d76135d50e988ada8e1af
- https://git.kernel.org/stable/c/692f52aedccbf79b212a1e14e3735192b4c24a7d
- https://git.kernel.org/stable/c/a17b9afe58c474657449cf87e238b1788200576b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.64