Description
In QEMU 3.0.0, tcp_emu in slirp/tcp_subr.c has a heap-based buffer overflow.
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 | 1:3.1+dfsg-3 | — |
| Debian 14 | slirp4netns | 0.2.1-1 | — |
| Debian 13 | qemu | 1:3.1+dfsg-3 | — |
| Debian 13 | slirp4netns | 0.2.1-1 | — |
| Debian 12 | qemu | 1:3.1+dfsg-3 | — |
| Debian 12 | slirp4netns | 0.2.1-1 | — |
| Debian 9 | qemu | 1:2.8+dfsg-6+deb9u6 | DSA-4454-1 |
| Debian 8 | qemu | 1:2.1+dfsg-12+deb8u10 | DLA-1694-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | qemu | 1:2.11+dfsg-1ubuntu7.12 | USN-3923-1 |
| Ubuntu 16.04 LTS | qemu | 1:2.5+dfsg-5ubuntu10.36 | USN-3923-1 |
| Ubuntu 14.04 LTS | qemu | 2.0.0+dfsg-2ubuntu1.45 | USN-3923-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | qemu-img +3 | 10:1.5.3-160.el7_6.3 | RHSA-2019:1883 |
| RHEL 7 | qemu-img-rhev +3 | 10:2.12.0-18.el7_6.7 | RHSA-2019:1968 |
| RHEL 6 | qemu-img +3 | 2:0.12.1.2-2.506.el6_10.5 | RHSA-2019:2892 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhev Manager 4 | qemu-img-rhev +3 | 10:2.12.0-18.el7_6.7 | RHSA-2019:1968 |
| Red Hat OpenStack 14 | qemu-img-rhev +3 | 10:2.12.0-33.el7 | RHSA-2019:2425 |
| Red Hat OpenStack 13 | qemu-img-rhev +3 | 10:2.12.0-33.el7 | RHSA-2019:2425 |
| Red Hat OpenStack 10 | qemu-img-rhev +3 | 10:2.12.0-33.el7 | RHSA-2019:2425 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP1 | fuse-overlayfs | 0.4.1-3.3.8 | SUSE-SU-2019:2223-1 |
| SLES 15 SP1 | fuse3 | 3.6.1-3.3.8 | SUSE-SU-2019:2223-1 |
| SLES 15 SP1 | libcontainers-common | 20190401-3.3.5 | SUSE-SU-2019:2223-1 |
| SLES 15 SP1 | podman | 1.4.4-4.8.1 | SUSE-SU-2019:2223-1 |
| SLES 15 SP1 | qemu | 3.1.1.1-9.14.1 | SUSE-SU-2020:0844-1 |
| SLES 15 SP1 | slirp4netns | 0.3.0-3.3.3 | SUSE-SU-2019:2223-1 |
| SLES 15 | qemu | 2.11.2-9.20.1 | SUSE-SU-2020:1523-1, SUSE-SU-2019:0423-1 |
| SLES 12 SP5 | qemu | 3.1.1.1-3.9.1 | SUSE-SU-2020:0845-1 |
| SLES 12 SP4 | qemu | 2.11.2-5.8.1 | SUSE-SU-2020:1501-1, SUSE-SU-2019:0435-1 |
| SLES 12 SP4 | xen | 4.11.1_04-2.6.1 | SUSE-SU-2019:0891-1 |
| SLES 12 SP3 | qemu | 2.9.1-6.28.1 | SUSE-SU-2020:1538-1, SUSE-SU-2019:0582-1 |
Show 19 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | qemu | 2.6.2-41.49.1 | SUSE-SU-2020:1526-1, SUSE-SU-2019:0489-1 |
| SLES 12 SP2 | xen | 4.7.6_06-43.48.1 | SUSE-SU-2019:0921-1 |
| SLES 12 SP1 | qemu | 2.3.1-33.20.1 | SUSE-SU-2020:1514-1, SUSE-SU-2019:0471-1 |
| SLES 12 SP1 | xen | 4.5.5_28-22.58.1 | SUSE-SU-2019:0825-1 |
| SLES 12 | qemu | 2.0.2-48.49.3 | SUSE-SU-2019:0457-1 |
| SLES 12 | xen | 4.4.4_40-22.77.1 | SUSE-SU-2019:0827-1 |
| SLES 11 SP4 | kvm | 1.4.2-60.21.1 | SUSE-SU-2020:14396-1, SUSE-SU-2019:13962-1 |
| SLES 11 SP4 | xen | 4.4.4_40-61.43.2 | SUSE-SU-2019:14001-1 |
| SLES for SAP 15 | qemu | 2.11.2-9.36.1 | SUSE-SU-2020:1523-1 |
| SLES for SAP 12 SP5 | qemu | 3.1.1.1-3.9.1 | SUSE-SU-2020:0845-1 |
| SLES for SAP 12 SP4 | qemu | 2.11.2-5.8.1 | SUSE-SU-2020:1501-1, SUSE-SU-2019:0435-1 |
| SLES for SAP 12 SP4 | xen | 4.11.1_04-2.6.1 | SUSE-SU-2019:0891-1 |
| SLES for SAP 12 SP3 | qemu | 2.9.1-6.28.1 | SUSE-SU-2020:1538-1, SUSE-SU-2019:0582-1 |
| SLES for SAP 12 SP2 | qemu | 2.6.2-41.49.1 | SUSE-SU-2020:1526-1, SUSE-SU-2019:0489-1 |
| SLES for SAP 12 SP2 | xen | 4.7.6_06-43.48.1 | SUSE-SU-2019:0921-1 |
| SLES for SAP 12 SP1 | qemu | 2.3.1-33.20.1 | SUSE-SU-2020:1514-1, SUSE-SU-2019:0471-2 |
| SLES for SAP 12 SP1 | xen | 4.5.5_28-22.58.1 | SUSE-SU-2019:0825-1 |
| SLES for SAP 11 SP4 | kvm | 1.4.2-60.21.1 | SUSE-SU-2019:13962-1 |
| SLES for SAP 11 SP4 | xen | 4.4.4_40-61.43.2 | SUSE-SU-2019:14001-1 |
| SLE HPC 15 | qemu | 2.11.2-9.36.1 | SUSE-SU-2020:1523-1 |
| SUSE OpenStack Cloud Crowbar 8 | qemu | 2.9.1-6.44.1 | SUSE-SU-2020:1538-1 |
| SUSE OpenStack Cloud 8 | qemu | 2.9.1-6.44.1 | SUSE-SU-2020:1538-1 |
| SUSE OpenStack Cloud 7 | qemu | 2.6.2-41.49.1 | SUSE-SU-2020:1526-1, SUSE-SU-2019:0489-1 |
| SUSE OpenStack Cloud 7 | xen | 4.7.6_06-43.48.1 | SUSE-SU-2019:0921-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | kvm | 1.4.2-53.38.1 | SUSE-SU-2021:14706-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | xen | 4.2.5_21-45.30.1 | SUSE-SU-2019:14011-1 |
| SUSE HPE Helion OpenStack 8 | qemu | 2.9.1-6.44.1 | SUSE-SU-2020:1538-1 |
| SUSE Enterprise Storage 5 | qemu | 2.9.1-6.44.1 | SUSE-SU-2020:1538-1 |
| SUSE Enterprise Storage 4 | qemu | 2.6.2-41.49.1 | SUSE-SU-2019:0489-1 |
| SUSE Enterprise Storage 4 | xen | 4.7.6_06-43.48.1 | SUSE-SU-2019:0921-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | qemu | 6.1.0-32.1 | openSUSE-SU-2024:11287-1 |
| openSUSE Tumbleweed | slirp4netns | 1.1.11-1.2 | openSUSE-SU-2024:11387-1 |
| openSUSE Leap 15.1 | fuse-overlayfs | 0.4.1-lp151.2.1 | openSUSE-SU-2019:2044-1 |
| openSUSE Leap 15.1 | fuse3 | 3.6.1-lp151.2.1 | openSUSE-SU-2019:2044-1 |
| openSUSE Leap 15.1 | libcontainers-common | 20190401-lp151.2.3.1 | openSUSE-SU-2019:2044-1 |
| openSUSE Leap 15.1 | podman | 1.4.4-lp151.3.3.1 | openSUSE-SU-2019:2044-1 |
| openSUSE Leap 15.1 | qemu +1 | 3.1.1.1-lp151.7.12.1 | openSUSE-SU-2020:0468-1 |
| openSUSE Leap 15.1 | slirp4netns | 0.3.0-lp151.2.3.1 | openSUSE-SU-2019:2044-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | ivshmem-tools +2 | 15:3.1.0-3.el7 | ELSA-2019-4640 |
| Oracle Linux 7 | qemu +7 | 12:2.9.0-20.el7 | ELSA-2019-4640, ELSA-2019-4556 |
| Oracle Linux 7 | qemu-img +3 | 10:1.5.3-160.el7_6.3 | ELSA-2019-4640, ELSA-2019-4556, ELSA-2019-1883 |
Advisories 40
- RHSA-2019:2892 Red Hat Security Advisory: qemu-kvm security update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2019:1968 Red Hat Security Advisory: qemu-kvm-rhev security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2019:1883 Red Hat Security Advisory: qemu-kvm security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2019:2425 Red Hat Security Advisory: qemu-kvm-rhev security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- WID-SEC-2026-0778 Dell Secure Connect Gateway Policy Manager: Mehrere Schwachstellen BSI CERT-Bund (WID) · May 11, 2026
- DSA-4454-1 qemu - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1694-1 qemu - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3923-1 qemu vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2019:13962-1 Security update for kvm SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:0845-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:0471-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:14011-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:1538-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:0457-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:0844-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:0423-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:0471-2 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:14001-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:0489-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:0468-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11387-1 slirp4netns-1.1.11-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:2044-1 Security update for podman, slirp4netns and libcontainers-common SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:0921-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:14706-1 Security update for kvm SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:0825-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:0827-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:14396-1 Security update for kvm SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:1523-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:1514-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:1526-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2223-1 Security update for podman, slirp4netns and libcontainers-common SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:0435-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:0891-1 Security update for xen 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-2020:1501-1 Security update for qemu SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2019:0582-1 Security update for qemu SUSE / openSUSE Security Updates · May 2, 2025
- WID-SEC-2024-1992 QEMU: Schwachstelle ermöglicht Ausführen von beliebigem Programmcode mit den Rechten des Dienstes BSI CERT-Bund (WID) · Sep 2, 2024
- ELSA-2019-1883 Important: qemu-kvm security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jul 30, 2019
- ELSA-2019-4640 Important: qemu security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · May 14, 2019
- ELSA-2019-4556 Important: qemu security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Feb 22, 2019
References
- 106758 vdb-entry
- SUSE-SA-2019:0254-1 vendor-advisory
- http://www.openwall.com/lists/oss-security/2019/01/24/5
- https://lists.gnu.org/archive/html/qemu-devel/2019-01/msg03132.html
- FEDORA-2019-88a98ce795 vendor-advisory
- USN-3923-1 vendor-advisory
- FEDORA-2019-0664c7724d vendor-advisory
- openSUSE-SU-2019:1074 vendor-advisory
- openSUSE-SU-2019:1226 vendor-advisory
- DSA-4454 vendor-advisory
- 20190531 [SECURITY] [DSA 4454-1] qemu security update mailing-list
- RHSA-2019:1883 vendor-advisory
- RHSA-2019:1968 vendor-advisory
- RHSA-2019:2425 vendor-advisory
- openSUSE-SU-2019:2044 vendor-advisory
- RHSA-2019:2892 vendor-advisory
- openSUSE-SU-2020:0468 vendor-advisory