CVE-2020-8002 : A NULL pointer dereference in vrend_renderer.c in virglrenderer through 0.8.1 al

A NULL pointer dereference in vrend_renderer.c in virglrenderer through 0.8.1 allows attackers to cause a denial of service via commands that attempt to launch a grid without previously providing a Compute Shader (CS).

Published 2020-01-27 05:15:13

Updated 2023-02-03 18:42:24

Source MITRE

View at NVD, CVE.org

Vulnerability category: Memory CorruptionDenial of service

Products affected by CVE-2020-8002

Debian » Debian Linux » Version: 10.0
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Matching versions
Virglrenderer Project » Virglrenderer
Versions up to, including, (<=) 0.8.1
cpe:2.3:a:virglrenderer_project:virglrenderer:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2020-8002

EPSS FAQ

0.04%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 6 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-8002

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
2.1	LOW	AV:L/AC:L/Au:N/C:N/I:N/A:P	3.9	2.9	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
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
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2020-8002

CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-8002

https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/340/diffs?commit_id=725e12beba4a41934f0ab62d399b5d4de2d13190

Fix double free when texture allocation fails + fix a null pointer deref (!340) · Merge Requests · virgl / virglrenderer · GitLab
Patch;Third Party Advisory
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 · GitLab
Patch;Third Party Advisory

CVEs referencing this url
https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/340/diffs?commit_id=572a36879701598fa727f50313508be99865b58f

Fix double free when texture allocation fails + fix a null pointer deref (!340) · Merge Requests · virgl / virglrenderer · GitLab
Patch;Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00017.html

[SECURITY] [DLA 3232-1] virglrenderer security update
Mailing List;Third Party Advisory

CVEs referencing this url

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Vulnerability Details : CVE-2020-8002

Products affected by CVE-2020-8002

Exploit prediction scoring system (EPSS) score for CVE-2020-8002

CVSS scores for CVE-2020-8002

CWE ids for CVE-2020-8002

References for CVE-2020-8002