Description
The virtio_gpu_set_scanout function in QEMU (aka Quick Emulator) built with Virtio GPU Device emulator support allows local guest OS users to cause a denial of service (out-of-bounds read and process crash) via a scanout id in a VIRTIO_GPU_CMD_SET_SCANOUT command larger than num_scanouts.
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 | qemu | 1:2.7+dfsg-1 | — |
| Debian 13 | qemu | 1:2.7+dfsg-1 | — |
| Debian 12 | qemu | 1:2.7+dfsg-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | qemu | 1:2.5+dfsg-5ubuntu10.11 | USN-3261-1 |
| Ubuntu 14.04 LTS | qemu | 2.0.0+dfsg-2ubuntu1.33 | USN-3261-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | qemu | 2.6.2-41.9.1 | SUSE-SU-2017:1774-1, SUSE-SU-2017:0625-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP2 | qemu | 2.6.2-41.9.1 | SUSE-SU-2017:1774-1, SUSE-SU-2017:0625-1 |
Advisories 3
- USN-3261-1 qemu vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2017:1774-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0625-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
References
- http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=acfc4846508a02cc4c83aa27799fd7
- [oss-security] 20161220 CVE request Qemu: display: virtio-gpu: out of bounds read in virtio_gpu_set_scanout mailing-list
- 1037526 vdb-entry
- 94978 vdb-entry
- http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=2fe760554eb3769d70f608a158474f
- [oss-security] 20161222 Re: CVE request Qemu: display: virtio-gpu: out of bounds read in virtio_gpu_set_scanout mailing-list