CVE-2022-1419

The root cause of this vulnerability is that the ioctl$DRM_IOCTL_MODE_DESTROY_DUMB can decrease refcount of *drm_vgem_gem_object *(created in *vgem_gem_dumb_create*) concurrently, and *vgem_gem_dumb_create *will access the freed drm_vgem_gem_object.

• CWE-416
• CWE-416

• https://bugzilla.redhat.com/show_bug.cgi?id=2077560Issue Tracking, Third Party Advisory
• https://www.debian.org/security/2022/dsa-5173Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=2077560Issue Tracking, Third Party Advisory
• https://www.debian.org/security/2022/dsa-5173Third Party Advisory

Published

Jun 2, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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