Vulnerability Details : CVE-2020-8003
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.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2020-8003
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:a:virglrenderer_project:virglrenderer:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-8003
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 12 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-8003
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:N/A:P |
3.9
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2020-8003
-
The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-8003
-
https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/340
Fix double free when texture allocation fails + fix a null pointer deref (!340) · Merge Requests · virgl / virglrenderer · GitLabPatch;Third Party Advisory
-
https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/340/diffs?commit_id=3320973c9f2068f60cf6613c2811a8824781878a
Fix double free when texture allocation fails + fix a null pointer deref (!340) · Merge Requests · virgl / virglrenderer · GitLabPatch;Third Party Advisory
-
https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/340/diffs?commit_id=f9b079ccc319c98499111f66bd654fc9b56cf15f
Fix double free when texture allocation fails + fix a null pointer deref (!340) · Merge Requests · virgl / virglrenderer · GitLabPatch;Third Party Advisory
-
https://gitlab.freedesktop.org/virgl/virglrenderer/commit/f9b079ccc319c98499111f66bd654fc9b56cf15f?merge_request_iid=340
vrend: Don't free resource struct in _resource_allocate_texture (f9b079cc) · Commits · virgl / virglrenderer · GitLabPatch;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2022/12/msg00017.html
[SECURITY] [DLA 3232-1] virglrenderer security updateMailing List;Third Party Advisory
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