CVEvulnerability
CVE-2022-1419
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2022-06-02
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-416
Description
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.
Affected configurations
• linux linux kernel (< 5.6)
• linux linux kernel 5.6
• debian debian linux 10.0
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2077560 Issue Tracking, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5173 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2077560 Issue Tracking, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5173 Third Party Advisory