Description
The vrend_decode_reset function in vrend_decode.c in virglrenderer before 0.6.0 allows local guest OS users to cause a denial of service (NULL pointer dereference and QEMU process crash) by destroying context 0 (zero).
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | virglrenderer | 0.6.0-1 | — |
| Debian 13 | virglrenderer | 0.6.0-1 | — |
| Debian 12 | virglrenderer | 0.6.0-1 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | virglrenderer | 0.5.0-11.1 | SUSE-SU-2017:0798-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP2 | virglrenderer | 0.5.0-11.1 | SUSE-SU-2017:0798-1 |
Advisories 1
- SUSE-SU-2017:0798-1 Security update for virglrenderer SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1426170
- GLSA-201707-06 vendor-advisory
- [virglrenderer-devel] 20170210 [ANNOUNCE] virglrenderer 0.6.0 mailing-list
- 96439 vdb-entry
- [oss-security] 20170224 CVE-2017-6210 Virglrenderer: null pointer dereference in vrend_decode_reset mailing-list
- https://cgit.freedesktop.org/virglrenderer/commit/?id=0a5dff15912207b83018485f83e067474e818bab