Description
The load_multiboot function in hw/i386/multiboot.c in Quick Emulator (aka QEMU) allows local guest OS users to execute arbitrary code on the QEMU host via a mh_load_end_addr value greater than mh_bss_end_addr, which triggers an out-of-bounds read or write memory access.
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 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 7 | qemu +1 | 1.1.2+dfsg-6+deb7u25 | DLA-1351-1, DLA-1350-1 |
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_5.5 | RHSA-2018:2462 |
| RHEL 7 | qemu-img-rhev +3 | 10:2.10.0-21.el7_5.2 | RHSA-2018:1369 |
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 15 | qemu | 2.11.2-9.4.1 | SUSE-SU-2018:2340-1 |
| 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 |
| SLES 12 SP1 | xen | 4.5.5_24-22.46.1 | SUSE-SU-2018:1202-1 |
| SLES 12 | xen | 4.4.4_30-22.65.1 | SUSE-SU-2018:1177-1 |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 11 SP4 | kvm | 1.4.2-60.9.1 | SUSE-SU-2018:1077-1 |
| SLES 11 SP4 | xen | 4.4.4_30-61.26.1 | SUSE-SU-2018:1181-1 |
| SLES 11 SP3 | kvm | 1.4.2-53.17.1 | SUSE-SU-2018:1308-1 |
| SLES 11 SP3 | xen | 4.2.5_21-45.22.1 | SUSE-SU-2018:1203-1 |
| 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 |
| SLES for SAP 12 SP1 | xen | 4.5.5_24-22.46.1 | SUSE-SU-2018:1202-1 |
| 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_30-61.26.1 | SUSE-SU-2018:1181-1 |
| SUSE OpenStack Cloud 6 | xen | 4.5.5_24-22.46.1 | SUSE-SU-2018:1202-1 |
| 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_21-45.22.1 | SUSE-SU-2018:1203-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | qemu-img +3 | 10:1.5.3-156.amzn2.5.4 | ALAS2-2018-1073 |
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_5.5 | ELSA-2019-4585, ELSA-2018-4289, ELSA-2018-4285 |
Advisories 26
- RHSA-2018:2462 Red Hat Security Advisory: qemu-kvm security and bug fix 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-2018:1646 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-2018:1369 Red Hat Security Advisory: qemu-kvm-rhev security and bug fix 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
- DLA-1350-1 qemu-kvm - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1351-1 qemu - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3649-1 qemu vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2018:1177-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1202-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2340-1 Security update for qemu 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-2018:1203-1 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-2018:0762-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1181-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1077-1 Security update for kvm SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2024-2006 QEMU: Schwachstelle ermöglicht Ausführen von beliebigem Programmcode 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
- ALAS2-2018-1073 Important: qemu-kvm security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Sep 15, 2018
- ELSA-2018-2462 Important: qemu-kvm security and bug fix update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Aug 16, 2018
References
- RHSA-2018:1369 vendor-advisory
- [qemu-devel] 20180228 [PATCH] multiboot: check mh_load_end_addr address field mailing-list
- [debian-lts-announce] 20180417 [SECURITY] [DLA 1351-1] qemu security update mailing-list
- USN-3649-1 vendor-advisory
- [debian-lts-announce] 20180906 [SECURITY] [DLA 1497-1] qemu security update mailing-list
- DSA-4213 vendor-advisory
- [debian-lts-announce] 20180417 [SECURITY] [DLA 1350-1] qemu-kvm security update mailing-list
- 103181 vdb-entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1549798
- RHSA-2018:2462 vendor-advisory
- https://github.com/orangecertcc/security-research/security/advisories/GHSA-f49v-45qp-cv53