CVE-2019-18391 — Out-of-bounds Write in Project Virglrenderer

CWE-787 — Out-of-bounds WriteCWE-122 — Heap-based Buffer Overflow8 documents7 sources
Severity
5.5MEDIUMNVD
EPSS
0.1%
top 70.68%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Virglrenderer Project VirglrendererDebian LinuxOpensuse Leap+1 more
Timeline
PublishedDec 23
Latest updateMay 24

Description

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages3 packages

▶NVDopensuse/leap15.1

Also affects: Debian Linux 10.0, Enterprise Linux 8.0

Patches

Patch: bugzilla.redhat.com ↗Patch: gitlab.freedesktop.org ↗Patch: bugzilla.redhat.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-r2v2-ffc3-pvxq: A heap-based buffer overflow in the vrend_renderer_transfer_write_iov function in vrend_renderer↗2022-05-24
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OSV
CVE-2019-18391: A heap-based buffer overflow in the vrend_renderer_transfer_write_iov function in vrend_renderer↗2019-12-23
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CVEList
CVE-2019-18391: A heap-based buffer overflow in the vrend_renderer_transfer_write_iov function in vrend_renderer↗2019-12-23
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📋Vendor Advisories

2
Red Hat
virglrenderer: heap based buffer overflow in the vrend_renderer_transfer_write_iov function↗2019-10-08
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Debian
CVE-2019-18391: virglrenderer - A heap-based buffer overflow in the vrend_renderer_transfer_write_iov function i...↗2019
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💬Community

2
Bugzilla
CVE-2019-18391 virglrenderer: heap based buffer overflow in the vrend_renderer_transfer_write_iov function [fedora-all]↗2019-12-18
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Bugzilla
CVE-2019-18391 virglrenderer: heap based buffer overflow in the vrend_renderer_transfer_write_iov function↗2019-10-25
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CVE-2019-18391 — Out-of-bounds Write | cvebase