CVE-2026-63882 drm/amdkfd: fix NULL pointer bug in svm_range_set_attr

Not scored Published 19 Jul 2026 Updated 20 Jul 2026

A local attacker can cause a denial of service in the Linux kernel by triggering a NULL pointer dereference in the AMD KFD driver.

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-2026-63882?

CVE-2026-63882 is a vulnerability in Linux, 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: fix NULL pointer bug in svm_range_set_attr

The process_info could be NULL if user doesn't call kfd_ioctl_acquire_vm before calling kfd_ioctl_svm.

(cherry picked from commit 83a26c812e0529eb040d31a76f73e33e637243d4)

Which versions are affected by CVE-2026-63882?

How do I fix CVE-2026-63882?

Apply the vendor's patch.

Is CVE-2026-63882 being exploited?

There is no known exploitation of CVE-2026-63882 in the wild and no public exploit code.

Sources

Also known as AZL-92799, BELL-CVE-2026-63882, DEBIAN-CVE-2026-63882, GHSA-vf7c-595g-hm5x, ROOT-OS-UBUNTU-2204-CVE-2026-63882, UBUNTU-CVE-2026-63882.