CVE-2019-18389
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.44%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.44% probability · 37th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- virglrenderer project/virglrenderer · opensuse/leap · redhat/enterprise linux · debian/debian linux
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00028.htmlMailing List, Third Party Advisory
- https://access.redhat.com/security/cve/cve-2019-18389Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1765577Issue Tracking, Patch, Third Party Advisory
- https://gitlab.freedesktop.org/virgl/virglrenderer/commit/cbc8d8b75be360236cada63784046688aeb6d921Patch, Third Party Advisory
- https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commit_id=9c280a28651507e6ef87b17b90d47b6af3a4ab7dPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00017.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00028.htmlMailing List, Third Party Advisory
- https://access.redhat.com/security/cve/cve-2019-18389Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1765577Issue Tracking, Patch, Third Party Advisory
- https://gitlab.freedesktop.org/virgl/virglrenderer/commit/cbc8d8b75be360236cada63784046688aeb6d921Patch, Third Party Advisory
- https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commit_id=9c280a28651507e6ef87b17b90d47b6af3a4ab7dPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00017.htmlMailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.