Description
A double-free vulnerability in vrend_renderer.c in virglrenderer through 0.8.1 allows attackers to cause a denial of service by triggering texture allocation failure, because vrend_renderer_resource_allocated_texture is not an appropriate place for a free.
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
- https://gitlab.freedesktop.org/virgl/virglrenderer/commit/f9b079ccc319c98499111f66bd654fc9b56cf15f?merge_request_iid=340
- https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/340/diffs?commit_id=f9b079ccc319c98499111f66bd654fc9b56cf15f
- https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/340/diffs?commit_id=3320973c9f2068f60cf6613c2811a8824781878a
- [debian-lts-announce] 20221207 [SECURITY] [DLA 3232-1] virglrenderer security update mailing-list