#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
Linux kernel
Software vendor:
Linux Foundation
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
- https://git.kernel.org/stable/c/22207fd5c80177b860279653d017474b2812af5e
- https://git.kernel.org/stable/c/e87e08c94c9541b4e18c4c13f2f605935f512605
- https://git.kernel.org/stable/c/af054a5fb24a144f99895afce9519d709891894c
- https://git.kernel.org/stable/c/22f665ecfd1225afa1309ace623157d12bb9bb0c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.3