#VU88145 Use-after-free in Linux kernel - CVE-2024-26656 

 

#VU88145 Use-after-free in Linux kernel - CVE-2024-26656

Published: April 4, 2024 / Updated: May 14, 2025


Vulnerability identifier: #VU88145
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-26656
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to crash the kernel.

The vulnerability exists due to a use-after-free error in drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c. A local user can send a single amdgpu_gem_userptr_ioctl to the AMDGPU DRM driver on any ASICs with an invalid address and size and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links