Description
Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.
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 | 1:2.12~rc3+dfsg-1 | — |
| Debian 13 | qemu | 1:2.12~rc3+dfsg-1 | — |
| Debian 12 | qemu | 1:2.12~rc3+dfsg-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | qemu | 1:2.11+dfsg-1ubuntu7.1 | USN-3649-1 |
| Ubuntu 16.04 LTS | qemu | 1:2.5+dfsg-5ubuntu10.28 | USN-3649-1 |
| Ubuntu 14.04 LTS | qemu | 2.0.0+dfsg-2ubuntu1.41 | USN-3649-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | qemu-img +3 | 10:1.5.3-156.el7_5.1 | RHSA-2018:1416 |
| RHEL 7 | qemu-img-rhev +3 | 10:2.10.0-21.el7_5.2 | RHSA-2018:1369 |
| RHEL 6 | qemu-img +3 | 2:0.12.1.2-2.506.el6_10.1 | RHSA-2018:2162 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat OpenStack 12 | qemu-img-rhev +3 | 10:2.10.0-21.el7_5.3 | RHSA-2018:1643 |
| Red Hat OpenStack 10 | qemu-img-rhev +3 | 10:2.10.0-21.el7_5.3 | RHSA-2018:1644 |
| Red Hat OpenStack 9 | qemu-img-rhev +3 | 10:2.10.0-21.el7_5.3 | RHSA-2018:1645 |
| Red Hat OpenStack 8 | qemu-img-rhev +3 | 10:2.10.0-21.el7_5.3 | RHSA-2018:1646 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | qemu | 2.9.1-6.28.1 | SUSE-SU-2019:0582-1 |
| SLES 12 SP2 | qemu | 2.6.2-41.49.1 | SUSE-SU-2019:0489-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | qemu | 2.9.1-6.28.1 | SUSE-SU-2019:0582-1 |
| SLES for SAP 12 SP2 | qemu | 2.6.2-41.49.1 | SUSE-SU-2019:0489-1 |
| SUSE OpenStack Cloud 7 | qemu | 2.6.2-41.49.1 | SUSE-SU-2019:0489-1 |
| SUSE Enterprise Storage 4 | qemu | 2.6.2-41.49.1 | SUSE-SU-2019:0489-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | qemu | 6.1.0-32.1 | openSUSE-SU-2024:11287-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | qemu-img +3 | 10:1.5.3-156.amzn2.2.3 | ALAS2-2018-1034 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | qemu +10 | 15:3.0.0-1.el7 | ELSA-2019-4585, ELSA-2018-4289, ELSA-2018-4285 |
| Oracle Linux 7 | qemu-img +3 | 10:1.5.3-156.el7_5.1 | ELSA-2019-4585, ELSA-2018-4289, ELSA-2018-4285 |
Advisories 17
- RHSA-2018:2162 Red Hat Security Advisory: qemu-kvm security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2018:1646 Red Hat Security Advisory: qemu-kvm-rhev security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2018:1645 Red Hat Security Advisory: qemu-kvm-rhev security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2018:1643 Red Hat Security Advisory: qemu-kvm-rhev security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2018:1644 Red Hat Security Advisory: qemu-kvm-rhev security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2018:1416 Red Hat Security Advisory: qemu-kvm security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2018:1369 Red Hat Security Advisory: qemu-kvm-rhev security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- USN-3649-1 qemu vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2019:0489-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11287-1 qemu-6.1.0-32.1 on GA media SUSE / openSUSE Security Updates · May 7, 2025
- SUSE-SU-2019:0582-1 Security update for qemu SUSE / openSUSE Security Updates · May 2, 2025
- WID-SEC-2024-2005 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
- ALAS2-2018-1034 Important: qemu-kvm security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jun 11, 2018
- ELSA-2018-1416 Moderate: qemu-kvm security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · May 14, 2018
References
- RHSA-2018:2162 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1553402
- RHSA-2018:1369 vendor-advisory
- USN-3649-1 vendor-advisory
- RHSA-2018:1416 vendor-advisory
- 103350 vdb-entry
- [oss-security] 20180309 CVE-2018-7858 Qemu: cirrus: OOB access when updating vga display mailing-list
- [qemu-devel] 20180308 [PATCH] vga: fix region calculation mailing-list
- openSUSE-SU-2019:1074 vendor-advisory