CVE-2020-8003
Published: 27 January 2020
A double-free vulnerability in vrend_renderer.c in virglrenderer through 0.8.1 allows attackers to cause a denial of service by triggering texture allocation failure, because vrend_renderer_resource_allocated_texture is not an appropriate place for a free.
Notes
| Author | Note |
|---|---|
| mdeslaur |
looks like the double-free was introduced here: https://gitlab.freedesktop.org/virgl/virglrenderer/-/commit/0d9a2c88dc3a70023541b3260b9f00c982abda16 |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
virglrenderer
Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(0.6.0-2)
|
| eoan |
Not vulnerable
(0.7.0-2)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(0.8.2-1)
|
|
| xenial |
Does not exist
|
|
|
Patches:
upstream: https://gitlab.freedesktop.org/virgl/virglrenderer/commit/522b610a826f6de58c560cbb38fa8dfc65ae3c42 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |