Use-after-free in Linux kernel - CVE-2024-56538
Published: December 30, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU102071
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-56538
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
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.
How to mitigate CVE-2024-56538
Install update from vendor's website.
Sources
- 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