CVE-2026-53376 drm/amdkfd: Add upper bound check for num_of_nodes
Missing upper bound check in AMD KFD driver allows attackers to trigger integer overflows, potentially causing denial of service or code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-53376?
CVE-2026-53376 is a medium-severity vulnerability in Linux kernel, published on 19 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
drm/amdkfd: Add upper bound check for num_of_nodes
drm/amdkfd: Add upper bound check for num_of_nodes in kfd_ioctl_get_process_apertures_new.
(cherry picked from commit 98ff46a5ea090c14d2cdb4f5b993b05d74f3949f)
Which versions are affected by CVE-2026-53376?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2026-53376?
Apply the vendor's patch.
Is CVE-2026-53376 being exploited?
There is no known exploitation of CVE-2026-53376 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-92552, BELL-CVE-2026-53376, DEBIAN-CVE-2026-53376, GHSA-gg3c-2842-qwrx, ROOT-OS-DEBIAN-11-CVE-2026-53376, ROOT-OS-DEBIAN-12-CVE-2026-53376 and 2 more.