What’s Vulnerable › Vulnerabilities

CVE-2019-18389

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-12-23 · updated 2026-06-17
• Weakness: CWE-787

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, or QEMU guest-to-host escape and code execution, via VIRGL_CCMD_RESOURCE_INLINE_WRITE commands.

Affected products

• Debian Linux: 10.0
• openSUSE Leap: 15.1
• Red Hat Enterprise Linux: 8.0
• Virglrenderer Project Virglrenderer: through 0.8.0

References

• http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00028.html
• https://access.redhat.com/security/cve/cve-2019-18389
• https://bugzilla.redhat.com/show_bug.cgi?id=1765577
• https://gitlab.freedesktop.org/virgl/virglrenderer/commit/cbc8d8b75be360236cada63784046688aeb6d921
• https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commit_id=9c280a28651507e6ef87b17b90d47b6af3a4ab7d
• https://lists.debian.org/debian-lts-announce/2022/12/msg00017.html
• http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00028.html
• https://access.redhat.com/security/cve/cve-2019-18389
• https://bugzilla.redhat.com/show_bug.cgi?id=1765577
• https://gitlab.freedesktop.org/virgl/virglrenderer/commit/cbc8d8b75be360236cada63784046688aeb6d921
• https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commit_id=9c280a28651507e6ef87b17b90d47b6af3a4ab7d
• https://lists.debian.org/debian-lts-announce/2022/12/msg00017.html

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