Description
The Virtio Vring implementation in QEMU allows local OS guest users to cause a denial of service (divide-by-zero error and QEMU process crash) by unsetting vring alignment while updating Virtio rings.
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 | 1:2.11+dfsg-1 | — |
| Debian 13 | qemu | 1:2.11+dfsg-1 | — |
| Debian 12 | qemu | 1:2.11+dfsg-1 | — |
| Debian 9 | qemu | 1:2.8+dfsg-6+deb9u4 | DSA-4213-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | qemu | 1:2.5+dfsg-5ubuntu10.22 | USN-3575-1 |
| Ubuntu 14.04 LTS | qemu | 2.0.0+dfsg-2ubuntu1.39 | USN-3575-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | qemu | 2.9.1-6.12.1 | SUSE-SU-2018:0762-1 |
| SLES 12 SP2 | qemu | 2.6.2-41.37.1 | SUSE-SU-2018:0831-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | qemu | 2.9.1-6.12.1 | SUSE-SU-2018:0762-1 |
| SLES for SAP 12 SP2 | qemu | 2.6.2-41.37.1 | SUSE-SU-2018:0831-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | qemu +12 | 15:3.0.0-1.el7 | ELSA-2019-4585, ELSA-2018-4289, ELSA-2018-4285 |
Advisories 8
- DSA-4213-1 qemu - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3575-1 qemu vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2018:0831-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0762-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2024-2010 QEMU: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Sep 2, 2024
- ELSA-2019-4585 Important: qemu security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Mar 15, 2019
- ELSA-2018-4289 Important: qemu security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Nov 28, 2018
- ELSA-2018-4285 Important: qemu security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Nov 20, 2018
References
- [oss-security] 20171205 CVE-2017-17381 Qemu: virtio: divide by zero exception while updating rings mailing-list
- DSA-4213 vendor-advisory
- 102059 vdb-entry
- USN-3575-1 vendor-advisory
- [qemu-devel] 20171201 [PULL 6/7] virtio: check VirtQueue Vring object is set mailing-list