Description
hw/pci/msix.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access via a crafted address in an msi-x mmio operation.
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 | 1:5.0-6 | — |
| Debian 13 | qemu | 1:5.0-6 | — |
| Debian 12 | qemu | 1:5.0-6 | — |
| Debian 10 | qemu | 1:3.1+dfsg-8+deb10u6 | DSA-4728-1 |
| Debian 9 | qemu | 1:2.8+dfsg-6+deb9u10 | DLA-2288-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | qemu | 1:4.2-3ubuntu6.4 | USN-4467-1 |
| Ubuntu 18.04 LTS | qemu | 1:2.11+dfsg-1ubuntu7.31 | USN-4467-1 |
| Ubuntu 16.04 LTS | qemu | 1:2.5+dfsg-5ubuntu10.45 | USN-4467-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | qemu | 2.0.0+dfsg-2ubuntu1.47+esm1 | USN-4467-2 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | SLOF | 20191022-3.git899d9883.module+el8.2.0+5449+efc036dd | RHSA-2021:3061, RHSA-2021:2521 |
| RHEL 8 | hivex +6 | 1.3.18-20.module+el8.2.0+5588+63a201c3 | RHSA-2021:3061, RHSA-2021:2521 |
| RHEL 8 | libguestfs-winsupport | 8.2-1.module+el8.2.0+5590+82cd80df | RHSA-2021:3061, RHSA-2021:2521 |
| RHEL 8 | libiscsi +2 | 1.18.0-8.module+el8.1.0+4066+0f1aadab | RHSA-2021:3061, RHSA-2021:2521 |
| RHEL 8 | libnbd +5 | 1.2.2-1.module+el8.2.0+5644+32ac38d4 | RHSA-2021:3061, RHSA-2021:2521 |
| RHEL 8 | libtpms +1 | 0.7.0-1.20191018gitdc116933b7.module+el8.2.0+4793+b09dd2fb | RHSA-2021:2521 |
| RHEL 8 | libvirt +28 | 6.0.0-25.5.module+el8.2.1+8680+ea98947b | RHSA-2021:3061, RHSA-2021:2521 |
| RHEL 8 | libvirt-dbus | 1.3.0-2.module+el8.2.0+4793+b09dd2fb | RHSA-2021:3061, RHSA-2021:2521 |
| RHEL 8 | libvirt-python +1 | 6.0.0-1.module+el8.2.0+5453+31b2b136 | RHSA-2021:3061, RHSA-2021:2521 |
| RHEL 8 | nbdkit +13 | 1.16.2-4.module+el8.2.1+6710+effcb1df | RHSA-2021:3061, RHSA-2021:2521 |
| RHEL 8 | netcf +2 | 0.2.8-12.module+el8.1.0+4066+0f1aadab | RHSA-2021:3061, RHSA-2021:2521 |
| RHEL 8 | perl-Sys-Virt | 6.0.0-1.module+el8.2.0+5488+267def79 | RHSA-2021:3061, RHSA-2021:2521 |
| RHEL 8 | python-pyvmomi +1 | 6.7.1-7.module+el8.2.0+4793+b09dd2fb | RHSA-2021:2521 |
| RHEL 8 | qemu-img +10 | 15:4.2.0-29.module+el8.2.1+11280+70ae3d73.8 | RHSA-2021:3061, RHSA-2021:2521 |
| RHEL 8 | seabios +2 | 1.13.0-2.module+el8.2.1+7284+aa32a2c4 | RHSA-2021:3061, RHSA-2021:2521 |
| RHEL 8 | sgabios +1 | 1:0.20170427git-3.module+el8.1.0+4066+0f1aadab | RHSA-2021:3061, RHSA-2021:2521 |
| RHEL 8 | supermin +1 | 5.1.19-10.module+el8.2.0+4793+b09dd2fb | RHSA-2021:3061, RHSA-2021:2521 |
| RHEL 8 | swtpm +3 | 0.2.0-2.20200127gitff5a83b.module+el8.2.0+5579+d71178e0 | RHSA-2021:2521 |
| RHEL 8 | virglrenderer +2 | 0.8.2-1.module+el8.2.0+5777+d9c2af8c | RHSA-2021:2521 |
| RHEL 8 | virt-dib +25 | 1:1.40.2-24.module+el8.2.1+7154+47ffd890 | RHSA-2021:3061, RHSA-2021:2521 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | libguestfs-winsupport | 8.2-1.module_el8.5.0+2608+72063365 | ALSA-2021:3061 |
| AlmaLinux 8 | libiscsi +2 | 1.18.0-8.module_el8.5.0+2608+72063365 | ALSA-2021:3061 |
| AlmaLinux 8 | libnbd +3 | 1.2.2-1.module_el8.5.0+2608+72063365 | ALSA-2021:3061 |
| AlmaLinux 8 | libvirt-dbus | 1.3.0-2.module_el8.5.0+2608+72063365 | ALSA-2021:3061 |
| AlmaLinux 8 | nbdkit +13 | 1.16.2-4.module_el8.5.0+2608+72063365 | ALSA-2021:3061 |
| AlmaLinux 8 | netcf +2 | 0.2.8-12.module_el8.5.0+2608+72063365 | ALSA-2021:3061 |
| AlmaLinux 8 | perl-Sys-Virt +1 | 6.0.0-1.module_el8.5.0+2608+72063365 | ALSA-2021:3061 |
| AlmaLinux 8 | seabios +2 | 1.13.0-2.module_el8.5.0+2608+72063365 | ALSA-2021:3061 |
| AlmaLinux 8 | sgabios +1 | 1:0.20170427git-3.module_el8.5.0+2608+72063365 | ALSA-2021:3061 |
| AlmaLinux 8 | supermin +1 | 5.1.19-10.module_el8.5.0+2608+72063365 | ALSA-2021:3061 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | hivex | 1.3.18-21.module+el8.4.0+642+7e26f5e1 | RLSA-2021:3061 |
| Rocky Linux 8 | libguestfs | 1:1.40.2-27.module+el8.4.0+534+4680a14e | RLSA-2021:3061 |
| Rocky Linux 8 | libguestfs-winsupport | 8.2-1.module+el8.4.0+534+4680a14e | RLSA-2021:3061 |
| Rocky Linux 8 | libiscsi | 1.18.0-8.module+el8.4.0+534+4680a14e | RLSA-2021:3061 |
| Rocky Linux 8 | libnbd | 1.2.2-1.module+el8.4.0+534+4680a14e | RLSA-2021:3061 |
| Rocky Linux 8 | libvirt | 6.0.0-35.1.module+el8.4.0+642+7e26f5e1 | RLSA-2021:3061 |
| Rocky Linux 8 | libvirt-dbus | 1.3.0-2.module+el8.4.0+534+4680a14e | RLSA-2021:3061 |
| Rocky Linux 8 | nbdkit | 1.16.2-4.module+el8.4.0+534+4680a14e | RLSA-2021:3061 |
| Rocky Linux 8 | netcf | 0.2.8-12.module+el8.4.0+534+4680a14e | RLSA-2021:3061 |
| Rocky Linux 8 | perl-Sys-Virt +1 | 6.0.0-1.module+el8.4.0+534+4680a14e | RLSA-2021:3061 |
| Rocky Linux 8 | qemu-kvm | 5:4.2.0-48.module+el8.4.0+534+4680a14e | RLSA-2021:3061 |
| Rocky Linux 8 | seabios | 1.13.0-2.module+el8.4.0+534+4680a14e | RLSA-2021:3061 |
| Rocky Linux 8 | sgabios | 1:0.20170427git-3.module+el8.4.0+534+4680a14e | RLSA-2021:3061 |
| Rocky Linux 8 | supermin | 5.1.19-10.module+el8.4.0+534+4680a14e | RLSA-2021:3061 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | qemu | 4.2.1-150200.79.1 | SUSE-SU-2023:3721-1 |
| SLES 15 | qemu | 2.11.2-9.46.1 | SUSE-SU-2021:1895-1 |
| SLES 12 SP5 | qemu | 3.1.1.1-66.1 | SUSE-SU-2023:0761-1 |
| SLES 12 SP4 | qemu | 2.11.2-5.32.1 | SUSE-SU-2021:1947-1 |
| SLES 12 SP3 | qemu | 2.9.1-6.50.1 | SUSE-SU-2021:1894-1 |
Show 13 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | qemu | 2.6.2-41.65.1 | SUSE-SU-2021:1829-1 |
| SLES for SAP 15 SP2 | qemu | 4.2.1-150200.79.1 | SUSE-SU-2023:3721-1 |
| SLES for SAP 15 | qemu | 2.11.2-9.46.1 | SUSE-SU-2021:1895-1 |
| SLES for SAP 12 SP5 | qemu | 3.1.1.1-66.1 | SUSE-SU-2023:0761-1 |
| SLES for SAP 12 SP4 | qemu | 2.11.2-5.32.1 | SUSE-SU-2021:1947-1 |
| SLES for SAP 12 SP3 | qemu | 2.9.1-6.50.1 | SUSE-SU-2021:1894-1 |
| SLE HPC 15 SP2 | qemu | 4.2.1-150200.79.1 | SUSE-SU-2023:3721-1 |
| SLE HPC 15 | qemu | 2.11.2-9.46.1 | SUSE-SU-2021:1895-1 |
| SUSE OpenStack Cloud Crowbar 9 | qemu | 2.11.2-5.32.1 | SUSE-SU-2021:1947-1 |
| SUSE OpenStack Cloud Crowbar 8 | qemu | 2.9.1-6.50.1 | SUSE-SU-2021:1894-1 |
| SUSE OpenStack Cloud 9 | qemu | 2.11.2-5.32.1 | SUSE-SU-2021:1947-1 |
| SUSE OpenStack Cloud 8 | qemu | 2.9.1-6.50.1 | SUSE-SU-2021:1894-1 |
| SUSE HPE Helion OpenStack 8 | qemu | 2.9.1-6.50.1 | SUSE-SU-2021:1894-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.4 | qemu | 4.2.1-150200.79.1 | SUSE-SU-2023:3721-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | qemu | 5.0.0-r0 | — |
| Alpine v3.23 | qemu | 5.0.0-r0 | — |
| Alpine v3.22 | qemu | 5.0.0-r0 | — |
| Alpine v3.21 | qemu | 5.0.0-r0 | — |
| Alpine v3.20 | qemu | 5.0.0-r0 | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | qemu | 5.0.0-r0 | — |
| Alpine v3.18 | qemu | 5.0.0-r0 | — |
| Alpine v3.17 | qemu | 5.0.0-r0 | — |
| Alpine v3.16 | qemu | 5.0.0-r0 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | hivex +6 | 1.3.18-21.module+el8.4.0+20285+126f2e4b | ELSA-2021-3061 |
| Oracle Linux 8 | libguestfs-winsupport | 8.2-1.module+el8.3.0+7860+a7792d29 | ELSA-2021-3061 |
| Oracle Linux 8 | libiscsi +2 | 1.18.0-8.module+el8.3.0+7860+a7792d29 | ELSA-2021-3061 |
| Oracle Linux 8 | libnbd +5 | 1.2.2-1.module+el8.3.0+7860+a7792d29 | ELSA-2021-3061 |
| Oracle Linux 8 | libvirt +28 | 6.0.0-35.1.0.1.module+el8.4.0+20285+126f2e4b | ELSA-2021-3061 |
| Oracle Linux 8 | libvirt-dbus | 1.3.0-2.module+el8.3.0+7860+a7792d29 | ELSA-2021-3061 |
| Oracle Linux 8 | nbdkit +13 | 1.16.2-4.0.1.module+el8.3.0+7860+a7792d29 | ELSA-2021-3061 |
| Oracle Linux 8 | netcf +2 | 0.2.8-12.module+el8.3.0+7860+a7792d29 | ELSA-2021-3061 |
| Oracle Linux 8 | perl-Sys-Virt +1 | 6.0.0-1.module+el8.3.0+7860+a7792d29 | ELSA-2021-3061 |
| Oracle Linux 8 | qemu-img +10 | 15:4.2.0-48.module+el8.4.0+20285+126f2e4b.3 | ELSA-2021-3061 |
| Oracle Linux 8 | seabios +2 | 1.13.0-2.module+el8.3.0+7860+a7792d29 | ELSA-2021-3061 |
| Oracle Linux 8 | sgabios +1 | 1:0.20170427git-3.module+el8.3.0+7860+a7792d29 | ELSA-2021-3061 |
| Oracle Linux 8 | supermin +1 | 5.1.19-10.module+el8.3.0+7860+a7792d29 | ELSA-2021-3061 |
| Oracle Linux 8 | virt-dib +25 | 1:1.40.2-27.0.1.module+el8.4.0+20093+03a97712 | ELSA-2021-3061 |
| Oracle Linux 7 | qemu +12 | 15:4.2.1-4.el7 | ELSA-2021-9034 |
Advisories 17
- ALSA-2021:3061 Moderate: virt:rhel and virt-devel:rhel security and bug fix update AlmaLinux Security Advisories · Nov 2, 2026
- RHSA-2021:3061 Red Hat Security Advisory: virt:rhel and virt-devel:rhel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2021:2521 Red Hat Security Advisory: virt:8.2 and virt-devel:8.2 security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- USN-4467-1 qemu vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DSA-4728-1 qemu - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2288-1 qemu - security update Debian Security (DSA / DLA) · Mar 9, 2026
- ELSA-2021-3061 Low: virt:ol and virt-devel:ol security and bug fix update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Feb 16, 2026
- USN-4467-2 qemu vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- RLSA-2021:3061 Moderate: virt:rhel and virt-devel:rhel security and bug fix update Rocky Linux Security Advisories · Feb 4, 2026
- SUSE-SU-2023:3721-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:1894-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0761-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:1947-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:1895-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:1829-1 Security update for qemu SUSE / openSUSE Security Updates · May 2, 2025
- WID-SEC-2023-0679 QEMU: Mehrere Schwachstellen ermöglichen Denial of Service BSI CERT-Bund (WID) · Sep 2, 2024
- ELSA-2021-9034 Important: qemu security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Feb 8, 2021
References
- https://lists.gnu.org/archive/html/qemu-devel/2020-06/msg00004.html
- http://www.openwall.com/lists/oss-security/2020/06/01/6
- https://security.netapp.com/advisory/ntap-20200608-0007/
- [oss-security] 20200615 Re: CVE-2020-13754 QEMU: msix: OOB access during mmio operations may lead to DoS mailing-list
- DSA-4728 vendor-advisory
- [debian-lts-announce] 20200726 [SECURITY] [DLA 2288-1] qemu security update mailing-list
- USN-4467-1 vendor-advisory
- GLSA-202011-09 vendor-advisory