Description
The vga_draw_text function in Qemu allows local OS guest privileged users to cause a denial of service (out-of-bounds read and QEMU process crash) by leveraging improper memory address validation.
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 | — |
| Debian 9 | qemu | 1:2.8+dfsg-6+deb9u4 | DSA-4213-1 |
| Debian 8 | qemu | 1:2.1+dfsg-12+deb8u7 | DLA-1497-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | qemu | 1:2.11+dfsg-1ubuntu2 | — |
| 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 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | qemu-img +3 | 10:1.5.3-156.el7 | RHSA-2018:0816 |
| RHEL 7 | qemu-img-rhev +3 | 10:2.10.0-21.el7 | RHSA-2018:1104 |
| RHEL 6 | qemu-img +3 | 2:0.12.1.2-2.506.el6_10.1 | RHSA-2018:2162 |
Show 5 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 | RHSA-2018:1113 |
| Red Hat OpenStack 11 | qemu-img-rhev +3 | 10:2.10.0-21.el7 | RHSA-2018:1113 |
| Red Hat OpenStack 10 | qemu-img-rhev +3 | 10:2.10.0-21.el7 | RHSA-2018:1113 |
| Red Hat OpenStack 9 | qemu-img-rhev +3 | 10:2.10.0-21.el7 | RHSA-2018:1113 |
| Red Hat OpenStack 8 | qemu-img-rhev +3 | 10:2.10.0-21.el7 | RHSA-2018:1113 |
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 SP3 | xen | 4.9.1_08-3.26.1 | SUSE-SU-2018:0438-1 |
| SLES 12 SP2 | qemu | 2.6.2-41.37.1 | SUSE-SU-2018:0831-1 |
| SLES 12 SP2 | xen | 4.7.4_06-43.24.1 | SUSE-SU-2018:0472-1 |
| SLES 12 SP1 | xen | 4.5.5_24-22.43.1 | SUSE-SU-2018:0609-1 |
| SLES 12 | xen | 4.4.4_28-22.62.1 | SUSE-SU-2018:0601-1 |
| SLES 11 SP4 | kvm | 1.4.2-60.9.1 | SUSE-SU-2018:1077-1 |
| SLES 11 SP4 | xen | 4.4.4_28-61.23.2 | SUSE-SU-2018:0638-1 |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 11 SP3 | kvm | 1.4.2-53.17.1 | SUSE-SU-2018:1308-1 |
| SLES 11 SP3 | xen | 4.2.5_21-45.19.1 | SUSE-SU-2018:0678-1 |
| SLES for SAP 12 SP3 | qemu | 2.9.1-6.12.1 | SUSE-SU-2018:0762-1 |
| SLES for SAP 12 SP3 | xen | 4.9.1_08-3.26.1 | SUSE-SU-2018:0438-1 |
| SLES for SAP 12 SP2 | qemu | 2.6.2-41.37.1 | SUSE-SU-2018:0831-1 |
| SLES for SAP 12 SP2 | xen | 4.7.4_06-43.24.1 | SUSE-SU-2018:0472-1 |
| SLES for SAP 12 SP1 | xen | 4.5.5_24-22.43.1 | SUSE-SU-2018:0609-1 |
| SLES for SAP 11 SP4 | kvm | 1.4.2-60.9.1 | SUSE-SU-2018:1077-1 |
| SLES for SAP 11 SP4 | xen | 4.4.4_28-61.23.2 | SUSE-SU-2018:0638-1 |
| SUSE OpenStack Cloud 6 | xen | 4.5.5_24-22.43.1 | SUSE-SU-2018:0609-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | kvm | 1.4.2-53.17.1 | SUSE-SU-2018:1308-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | xen | 4.2.5_21-45.19.1 | SUSE-SU-2018:0678-1 |
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 | ELSA-2019-4585, ELSA-2018-4289, ELSA-2018-4285 |
Advisories 23
- RHSA-2018:1113 Red Hat Security Advisory: qemu-kvm-rhev security and bug fix update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2018:1104 Red Hat Security Advisory: qemu-kvm-rhev security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2018:2162 Red Hat Security Advisory: qemu-kvm security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2018:0816 Red Hat Security Advisory: qemu-kvm security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- DSA-4213-1 qemu - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1497-1 qemu - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3575-1 qemu vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2018:0472-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0831-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0601-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1308-1 Security update for kvm SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0638-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0678-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0609-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0762-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1077-1 Security update for kvm SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0438-1 Security update for xen SUSE / openSUSE Security Updates · May 2, 2025
- WID-SEC-2024-2009 QEMU: Mehrere Schwachstellen ermöglichen 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-2018-0816 Low: qemu-kvm security, bug fix, and enhancement update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Apr 16, 2018
References
- RHSA-2018:2162 vendor-advisory
- [debian-lts-announce] 20180906 [SECURITY] [DLA 1497-1] qemu security update mailing-list
- DSA-4213 vendor-advisory
- RHSA-2018:0816 vendor-advisory
- RHSA-2018:1104 vendor-advisory
- [Qemu-devel] 20180112 Re: [Qemu-devel] [PATCH v3] vga: check the validation of memory addr when draw text mailing-list
- USN-3575-1 vendor-advisory
- 102518 vdb-entry
- [oss-security] 20180115 CVE-2018-5683 Qemu: Out-of-bounds read in vga_draw_text routine mailing-list