Description
A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. This flaw allows a crafted guest driver to execute HW commands when shared buffers are not yet allocated, potentially leading to a use-after-free condition.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | QEMU | qemu 2.20.1 | — |
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 | 1:7.1+dfsg-2 | — |
| Debian 13 | qemu | 1:7.1+dfsg-2 | — |
| Debian 12 | qemu | 1:7.1+dfsg-2 | — |
| Debian 10 | qemu | 1:3.1+dfsg-8+deb10u10 | DLA-3362-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | qemu | 1:6.2+dfsg-2ubuntu6.11 | USN-6167-1 |
| Ubuntu 20.04 LTS | qemu | 1:4.2-3ubuntu6.27 | USN-6167-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | qemu | 1:2.11+dfsg-1ubuntu7.42+esm1 | USN-6167-1 |
| Ubuntu Pro 16.04 LTS | qemu | 1:2.5+dfsg-5ubuntu10.51+esm2 | USN-6167-1 |
| Ubuntu Pro 14.04 LTS | qemu | 2.0.0+dfsg-2ubuntu1.47+esm3 | USN-6167-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | qemu | 6.2.0-150400.37.11.1 | SUSE-SU-2023:0671-1 |
| SLES 15 SP3 | qemu | 5.2.0-150300.121.2 | SUSE-SU-2023:0840-1 |
| SLES 15 SP2 | qemu | 4.2.1-150200.79.1 | SUSE-SU-2023:3721-1 |
| SLES 15 SP1 | qemu | 3.1.1.1-150100.80.51.5 | SUSE-SU-2023:3800-1 |
| SLES 12 SP5 | qemu | 3.1.1.1-66.1 | SUSE-SU-2023:0761-1 |
Show 14 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP3 | qemu | 5.2.0-150300.121.2 | SUSE-SU-2023:0840-1 |
| SLES for SAP 15 SP2 | qemu | 4.2.1-150200.79.1 | SUSE-SU-2023:3721-1 |
| SLES for SAP 15 SP1 | qemu | 3.1.1.1-150100.80.51.5 | SUSE-SU-2023:3800-1 |
| SLES for SAP 12 SP5 | qemu | 3.1.1.1-66.1 | SUSE-SU-2023:0761-1 |
| SLE Real Time 15 SP3 | qemu | 5.2.0-150300.121.2 | SUSE-SU-2023:0840-1 |
| SLE Micro 5.3 | qemu | 6.2.0-150400.37.11.1 | SUSE-SU-2023:0671-1 |
| SLE Micro 5.2 | qemu | 5.2.0-150300.121.2 | SUSE-SU-2023:0840-1 |
| SLE Micro 5.1 | qemu | 5.2.0-150300.121.2 | SUSE-SU-2023:0840-1 |
| SLE HPC 15 SP3 | qemu | 5.2.0-150300.121.2 | SUSE-SU-2023:0840-1 |
| SLE HPC 15 SP2 | qemu | 4.2.1-150200.79.1 | SUSE-SU-2023:3721-1 |
| SLE HPC 15 SP1 | qemu | 3.1.1.1-150100.80.51.5 | SUSE-SU-2023:3800-1 |
| SUSE Manager Server 4.2 | qemu | 5.2.0-150300.121.2 | SUSE-SU-2023:0840-1 |
| SUSE Manager Proxy 4.2 | qemu | 5.2.0-150300.121.2 | SUSE-SU-2023:0840-1 |
| SUSE Enterprise Storage 7.1 | qemu | 5.2.0-150300.121.2 | SUSE-SU-2023:0840-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | qemu | 7.1.0-12.1 | openSUSE-SU-2024:12736-1 |
| openSUSE Leap 15.4 | qemu | 4.2.1-150200.79.1 | SUSE-SU-2023:3721-1, SUSE-SU-2023:0671-1 |
| openSUSE Leap 15.4 | qemu-linux-user | 6.2.0-150400.37.11.1 | SUSE-SU-2023:0671-1 |
| openSUSE Leap 15.4 | qemu-testsuite | 6.2.0-150400.37.11.2 | SUSE-SU-2023:0671-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.3 | qemu | 6.2.0-150400.37.11.1 | SUSE-SU-2023:0671-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | qemu | 6.2.0-2 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | hivex +4 | 1.3.18-21.module+el8.7.0+20894+2d7709ab | ELSA-2023-12195, ELSA-2023-12108 |
| Oracle Linux 8 | libguestfs-appliance | 1:1.44.0-5.0.1.module+el8.7.0+20916+50473d5a | ELSA-2023-12195 |
| Oracle Linux 8 | libguestfs-winsupport | 8.2-1.module+el8.7.0+20894+2d7709ab | ELSA-2023-12195, ELSA-2023-12108 |
| Oracle Linux 8 | libiscsi +2 | 1.18.0-8.module+el8.7.0+20894+2d7709ab | ELSA-2023-12195, ELSA-2023-12108 |
| Oracle Linux 8 | libnbd +3 | 1.2.2-1.module+el8.7.0+20894+2d7709ab | ELSA-2023-12195, ELSA-2023-12108 |
| Oracle Linux 8 | libnbd-bash-completion | 1.6.0-5.module+el8.7.0+20916+50473d5a | ELSA-2023-12195 |
| Oracle Linux 8 | libtpms +1 | 0.9.1-0.20211126git1ff6fe1f43.module+el8.7.0+20916+50473d5a | ELSA-2023-12195 |
| Oracle Linux 8 | libvirt +29 | 5.7.0-38.module+el8.7.0+20894+2d7709ab | ELSA-2023-12195, ELSA-2023-12108 |
| Oracle Linux 8 | libvirt-dbus | 1.3.0-2.module+el8.7.0+20894+2d7709ab | ELSA-2023-12195, ELSA-2023-12108 |
| Oracle Linux 8 | libvirt-wireshark | 7.10.0-2.module+el8.7.0+20916+50473d5a | ELSA-2023-12195 |
| Oracle Linux 8 | nbdkit +13 | 1.16.2-4.0.1.module+el8.7.0+20894+2d7709ab | ELSA-2023-12195, ELSA-2023-12108 |
| Oracle Linux 8 | nbdkit-nbd-plugin +4 | 1.24.0-4.module+el8.7.0+20916+50473d5a | ELSA-2023-12195 |
| Oracle Linux 8 | netcf +2 | 0.2.8-12.module+el8.7.0+20894+2d7709ab | ELSA-2023-12195, ELSA-2023-12108 |
| Oracle Linux 8 | perl-Sys-Virt | 4.5.0-5.module+el8.7.0+20894+2d7709ab | ELSA-2023-12195, ELSA-2023-12108 |
| Oracle Linux 8 | qemu-img +9 | 15:4.2.1-24.module+el8.7.0+20894+2d7709ab | ELSA-2023-12195, ELSA-2023-12108 |
| Oracle Linux 8 | qemu-virtiofsd | 15:6.1.1-5.module+el8.7.0+20916+50473d5a | ELSA-2023-12195 |
| Oracle Linux 8 | seabios +2 | 1.13.0-2.module+el8.7.0+20894+2d7709ab | ELSA-2023-12195, ELSA-2023-12108 |
| Oracle Linux 8 | sgabios +1 | 1:0.20170427git-3.module+el8.7.0+20894+2d7709ab | ELSA-2023-12195, ELSA-2023-12108 |
| Oracle Linux 8 | supermin +1 | 5.1.19-10.module+el8.7.0+20894+2d7709ab | ELSA-2023-12195, ELSA-2023-12108 |
| Oracle Linux 8 | swtpm +4 | 0.7.0-3.20211109gitb79fd91.module+el8.7.0+20916+50473d5a | ELSA-2023-12195 |
| Oracle Linux 8 | virt-dib +23 | 1:1.40.2-28.0.4.module+el8.7.0+20894+2d7709ab | ELSA-2023-12195, ELSA-2023-12108 |
| Oracle Linux 8 | virt-v2v-man-pages-ja +2 | 1:1.42.0-19.0.1.module+el8.7.0+20916+50473d5a | ELSA-2023-12195 |
| Oracle Linux 7 | qemu +12 | 15:4.2.1-24.el7 | ELSA-2023-12065 |
Advisories 12
- USN-6167-1 qemu vulnerabilities Ubuntu Security Notices (USN) · Jun 29, 2026
- DLA-3362-1 qemu - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2023:0840-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3721-1 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-2023:3800-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0671-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:12736-1 qemu-7.1.0-12.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2023-0173 QEMU: Schwachstelle ermöglicht Codeausführung BSI CERT-Bund (WID) · Sep 2, 2024
- ELSA-2023-12195 Important: virt:kvm_utils2 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Mar 17, 2023
- ELSA-2023-12108 Important: virt:kvm_utils security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Feb 8, 2023
- ELSA-2023-12065 Important: qemu security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jan 23, 2023