| Name | CVE-2017-5956 |
| Description | The vrend_draw_vbo function in virglrenderer before 0.6.0 allows local guest OS users to cause a denial of service (out-of-bounds array access and QEMU process crash) via vectors involving vertext_buffer_index. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 858255 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| virglrenderer (PTS) | buster | 0.7.0-2 | fixed |
| buster (security) | 0.7.0-2+deb10u1 | fixed |
| bullseye | 0.8.2-5+deb11u1 | fixed |
| bookworm | 0.10.4-1 | fixed |
| sid, trixie | 1.0.0-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| virglrenderer | source | (unstable) | 0.6.0-1 | | | 858255 |
Notes
https://cgit.freedesktop.org/virglrenderer/commit/?id=a5ac49940c40ae415eac0cf912eac7070b4ba95d (0.6.0)
https://bugzilla.redhat.com/show_bug.cgi?id=1421073
The original fix opens a memory leak: https://www.openwall.com/lists/oss-security/2017/02/24/2
Additional patch required: https://bugzilla.suse.com/attachment.cgi?id=715395