Description
The virtqueue_pop function in hw/virtio/virtio.c in QEMU allows local guest OS administrators to cause a denial of service (memory consumption and QEMU process crash) by submitting requests without waiting for completion.
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 | 1:2.6+dfsg-3.1 | — |
| Debian 13 | qemu | 1:2.6+dfsg-3.1 | — |
| Debian 12 | qemu | 1:2.6+dfsg-3.1 | — |
| Debian 8 | qemu | 1:2.1+dfsg-12+deb8u12 | DLA-1927-1 |
| Debian 7 | qemu +1 | 1.1.2+dfsg-6+deb7u14 | DLA-574-1, DLA-573-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | qemu | 1:2.5+dfsg-5ubuntu10.6 | USN-3125-1, USN-3047-1 |
| Ubuntu 14.04 LTS | qemu | 2.0.0+dfsg-2ubuntu1.30 | USN-3125-1, USN-3047-1 |
| Ubuntu 14.04 LTS | xen | 4.4.2-0ubuntu0.14.04.7 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | qemu-img +6 | 10:1.5.3-105.el7_2.7 | RHSA-2016:1606 |
| RHEL 7 | qemu-img-rhev +6 | 10:2.3.0-31.el7_2.21 | RHSA-2016:1607 |
| RHEL 6 | qemu-img +6 | 2:0.12.1.2-2.491.el6_8.3 | RHSA-2016:1586, RHSA-2016:1585 |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Virtualization 5 | kvm +4 | 83-276.el5_11 | RHSA-2016:1943 |
| Red Hat OpenStack 9 | qemu-img-rhev +5 | 10:2.3.0-31.el7_2.21 | RHSA-2016:1763 |
| Red Hat OpenStack 8 | qemu-img-rhev +5 | 10:2.3.0-31.el7_2.21 | RHSA-2016:1756 |
| Red Hat OpenStack 7 | qemu-img-rhev +5 | 10:2.3.0-31.el7_2.21 | RHSA-2016:1653 |
| Red Hat OpenStack 6 | qemu-img-rhev +6 | 10:2.3.0-31.el7_2.21 | RHSA-2016:1654 |
| Red Hat OpenStack 5 | libcacard-rhev +4 | 10:2.3.0-31.el7_2.21 | RHSA-2016:1655 |
| Red Hat OpenStack 5 | qemu-img-rhev +2 | 2:0.12.1.2-2.491.el6_8.3 | RHSA-2016:1655, RHSA-2016:1652 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | qemu | 2.3.1-21.1 | SUSE-SU-2016:2589-1 |
| SLES 12 SP1 | xen | 4.5.3_08-17.1 | SUSE-SU-2016:2093-1 |
| SLES 12 | qemu | 2.0.2-48.22.1 | SUSE-SU-2016:2781-1 |
| SLES 12 | xen | 4.4.4_04-22.22.2 | SUSE-SU-2016:2533-1 |
| SLES 11 SP4 | kvm | 1.4.2-47.1 | SUSE-SU-2016:2628-1 |
| SLES 11 SP4 | xen | 4.4.4_07-37.1 | SUSE-SU-2016:2100-1 |
| SLES 11 SP3 | xen | 4.2.5_21-27.1 | SUSE-SU-2016:2725-1 |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP1 | qemu | 2.3.1-21.1 | SUSE-SU-2016:2589-1 |
| SLES for SAP 12 SP1 | xen | 4.5.3_08-17.1 | SUSE-SU-2016:2093-1 |
| SLES for SAP 12 | qemu | 2.0.2-48.22.1 | SUSE-SU-2016:2781-1 |
| SLES for SAP 12 | xen | 4.4.4_04-22.22.2 | SUSE-SU-2016:2533-1 |
| SLES for SAP 11 SP4 | kvm | 1.4.2-47.1 | SUSE-SU-2016:2628-1 |
| SLES for SAP 11 SP4 | xen | 4.4.4_07-37.1 | SUSE-SU-2016:2100-1 |
| SUSE OpenStack Cloud 5 | xen | 4.2.5_21-27.1 | SUSE-SU-2016:2725-1 |
| SUSE Manager Proxy 2.1 | xen | 4.2.5_21-27.1 | SUSE-SU-2016:2725-1 |
| SUSE Manager 2.1 | xen | 4.2.5_21-27.1 | SUSE-SU-2016:2725-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | xen | 4.2.5_21-27.1 | SUSE-SU-2016:2725-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | qemu | 2.6.1-1.5 | openSUSE-SU-2024:10233-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | xen | 4.7.0-r0 | — |
| Alpine v3.23 | xen | 4.7.0-r0 | — |
| Alpine v3.22 | xen | 4.7.0-r0 | — |
| Alpine v3.21 | xen | 4.7.0-r0 | — |
| Alpine v3.20 | xen | 4.7.0-r0 | — |
Show 16 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | xen | 4.7.0-r0 | — |
| Alpine v3.18 | xen | 4.7.0-r0 | — |
| Alpine v3.17 | xen | 4.7.0-r0 | — |
| Alpine v3.16 | xen | 4.7.0-r0 | — |
| Alpine v3.15 | xen | 4.7.0-r0 | — |
| Alpine v3.14 | xen | 4.7.0-r0 | — |
| Alpine v3.13 | xen | 4.7.0-r0 | — |
| Alpine v3.12 | xen | 4.7.0-r0 | — |
| Alpine v3.11 | xen | 4.7.0-r0 | — |
| Alpine v3.10 | xen | 4.7.0-r0 | — |
| Alpine v3.9 | xen | 4.7.0-r0 | — |
| Alpine v3.8 | xen | 4.7.0-r0 | — |
| Alpine v3.7 | xen | 4.7.0-r0 | — |
| Alpine v3.6 | xen | 4.7.0-r0 | — |
| Alpine v3.5 | xen | 4.7.0-r0 | — |
| Alpine v3.4 | xen | 4.6.3-r1 | — |
Advisories 24
- RHSA-2016:1943 Red Hat Security Advisory: kvm security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2016:1763 Red Hat Security Advisory: qemu-kvm-rhev security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2016:1756 Red Hat Security Advisory: qemu-kvm-rhev security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2016:1654 Red Hat Security Advisory: qemu-kvm-rhev security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2016:1655 Red Hat Security Advisory: qemu-kvm-rhev security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2016:1652 Red Hat Security Advisory: qemu-kvm-rhev security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2016:1653 Red Hat Security Advisory: qemu-kvm-rhev security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2016:1607 Red Hat Security Advisory: qemu-kvm-rhev security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2016:1606 Red Hat Security Advisory: qemu-kvm security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2016:1586 Red Hat Security Advisory: qemu-kvm-rhev security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2016:1585 Red Hat Security Advisory: qemu-kvm security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- DLA-574-1 qemu-kvm - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-573-1 qemu - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1927-1 qemu - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3125-1 qemu, qemu-kvm vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-3047-1 qemu, qemu-kvm vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2016:2781-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2589-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2533-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2628-1 Security update for kvm SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2725-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2100-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2093-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10233-1 qemu-2.6.1-1.5 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- RHSA-2016:1756 vendor-advisory
- http://xenbits.xen.org/xsa/advisory-184.html
- USN-3047-1 vendor-advisory
- RHSA-2016:1655 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1358359
- RHSA-2016:1763 vendor-advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
- RHSA-2016:1585 vendor-advisory
- RHSA-2016:1653 vendor-advisory
- RHSA-2016:1607 vendor-advisory
- RHSA-2016:1654 vendor-advisory
- 1036476 vdb-entry
- USN-3047-2 vendor-advisory
- RHSA-2016:1606 vendor-advisory
- RHSA-2016:1586 vendor-advisory
- RHSA-2016:1943 vendor-advisory
- 92148 vdb-entry
- RHSA-2016:1652 vendor-advisory
- [debian-lts-announce] 20190920 [SECURITY] [DLA 1927-1] qemu security update mailing-list