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.

Score

CVSS 3.1 7.8 High

Status

Modified - secalert@redhat.com

Published

2022-06-02

Last modified

2024-08-03

Weaknesses

CWE-416

Affected products

• Debian Linux (Debian)
• Linux Kernel (Linux)

References

• https://bugzilla.redhat.com/show_bug.cgi?id=2077560
• https://www.debian.org/security/2022/dsa-5173