CVE-2026-98608 drm/virtio: fix object leak in virtio_gpu_resource_create_ioctl()
A local attacker can trigger a memory leak in the virtio GPU driver, leading to resource exhaustion and potential denial of service.
- 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-2026-98608?
CVE-2026-98608 is a denial of service vulnerability in Linux, published on 18 Oct 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/virtio: fix object leak in virtio_gpu_resource_create_ioctl()
virtio_gpu_resource_create_ioctl() calls drm_gem_object_release() on the drm_gem_handle_create() error path instead of dropping the reference it owns, so obj->funcs->free() never runs and the virtio_gpu_object, its pages and sg table, the resource id and the host-side resource are leaked.
Use drm_gem_object_put() instead.
Which versions are affected by CVE-2026-98608?
How do I fix CVE-2026-98608?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-98608 being exploited?
There is no known exploitation of CVE-2026-98608 in the wild and no public exploit code.
Sources
Also known as AZL-109049, BELL-CVE-2026-98608, DEBIAN-CVE-2026-98608, GHSA-hvjw-8jwh-8qj9, UBUNTU-CVE-2026-98608.