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CVE-2019-18391

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Date: December 22, 2019

A heap-based buffer overflow in the vrend_renderer_transfer_write_iov function in vrend_renderer.c in virglrenderer through 0.8.0 allows guest OS users to cause a denial of service via VIRGL_CCMD_RESOURCE_INLINE_WRITE commands.

Language: C

Severity Score

Related Resources (10)

https://access.redhat.com/security/cve/cve-2019-18391
https://nvd.nist.gov/vuln/detail/CVE-2019-18391
https://lists.debian.org/debian-lts-announce/2022/12/msg00017.html
https://bugzilla.redhat.com/show_bug.cgi?id=1765589
https://gitlab.freedesktop.org/virgl/virglrenderer/commit/2abeb1802e3c005b17a7123e382171b3fb665971
https://security.alpinelinux.org/vuln/CVE-2019-18391
https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commit_id=8c9cfb4e425542e96f0717189fe4658555baaf08
https://security-tracker.debian.org/tracker/CVE-2019-18391
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00028.html
https://www.mend.io/vulnerability-database/CVE-2019-18391

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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