Description
A NULL pointer dereference in vrend_renderer.c in virglrenderer through 0.8.1 allows attackers to cause a denial of service via commands that attempt to launch a grid without previously providing a Compute Shader (CS).
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 | 0.8.2-1 | — |
| Debian 13 | virglrenderer | 0.8.2-1 | — |
| Debian 12 | virglrenderer | 0.8.2-1 | — |
| Debian 10 | virglrenderer | 0.7.0-2+deb10u1 | DLA-3232-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | virglrenderer | 0.9.1-1.3 | openSUSE-SU-2024:11499-1 |
Advisories 2
- DLA-3232-1 virglrenderer - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:11499-1 libvirglrenderer1-0.9.1-1.3 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/340/diffs?commit_id=572a36879701598fa727f50313508be99865b58f
- https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/340/diffs?commit_id=725e12beba4a41934f0ab62d399b5d4de2d13190
- https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/340
- [debian-lts-announce] 20221207 [SECURITY] [DLA 3232-1] virglrenderer security update mailing-list