Description
Heap-based buffer overflow in the PCNET controller in QEMU allows remote attackers to execute arbitrary code by sending a packet with TXSTATUS_STARTPACKET set and then a crafted packet with TXSTATUS_DEVICEOWNS set.
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 | 1:2.3+dfsg-6 | — |
| Debian 14 | xen | 4.4.0-1 | — |
| Debian 13 | qemu | 1:2.3+dfsg-6 | — |
| Debian 13 | xen | 4.4.0-1 | — |
| Debian 12 | qemu | 1:2.3+dfsg-6 | — |
| Debian 12 | xen | 4.4.0-1 | — |
| Debian 8 | qemu | 1:2.1+dfsg-12+deb8u1 | DSA-3284-1 |
| Debian 8 | xen | 4.4.1-9+deb8u1 | DSA-3286-1 |
| Debian 7 | qemu-kvm | 1.1.2+dfsg-6+deb7u8 | DSA-3285-1 |
| Debian 7 | xen | 4.1.4-3+deb7u8 | DSA-3286-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | qemu | 2.0.0+dfsg-2ubuntu1.13 | USN-2630-1 |
| Ubuntu 14.04 LTS | xen | 4.4.2-0ubuntu0.14.04.2 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | qemu-img +6 | 2:0.12.1.2-2.448.el6_6.4 | RHSA-2015:1088, RHSA-2015:1087 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Virtualization 5 | kvm +4 | 83-273.el5_11 | RHSA-2015:1189 |
| Red Hat OpenStack 5 | qemu-img-rhev +2 | 2:0.12.1.2-2.448.el6_6.4 | RHSA-2015:1089 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 | qemu | 2.0.2-48.4.1 | SUSE-SU-2015:1519-1 |
| SLES 12 | xen | 4.4.2_06-21.1 | SUSE-SU-2015:1042-1 |
| SLES 11 SP2 | kvm | 0.15.1-0.32.2 | SUSE-SU-2015:1426-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 | qemu | 2.0.2-48.4.1 | SUSE-SU-2015:1519-1 |
| SLES for SAP 12 | xen | 4.4.2_06-21.1 | SUSE-SU-2015:1042-1 |
Advisories 11
- RHSA-2015:1189 Red Hat Security Advisory: kvm security update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- RHSA-2015:1088 Red Hat Security Advisory: qemu-kvm-rhev security update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- RHSA-2015:1089 Red Hat Security Advisory: qemu-kvm-rhev security update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- RHSA-2015:1087 Red Hat Security Advisory: qemu-kvm security update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- DSA-3284-1 qemu - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3285-1 qemu-kvm - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3286-1 xen - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-2630-1 qemu, qemu-kvm vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2015:1519-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:1042-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:1426-1 Security update for kvm SUSE / openSUSE Security Updates · Feb 4, 2026
References
- USN-2630-1 vendor-advisory
- SUSE-SU-2015:1152 vendor-advisory
- RHSA-2015:1087 vendor-advisory
- SUSE-SU-2015:1519 vendor-advisory
- https://kb.juniper.net/JSA10783
- FEDORA-2015-10001 vendor-advisory
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10698
- DSA-3286 vendor-advisory
- FEDORA-2015-9978 vendor-advisory
- SUSE-SU-2015:1156 vendor-advisory
- RHSA-2015:1088 vendor-advisory
- RHSA-2015:1089 vendor-advisory
- SUSE-SU-2015:1643 vendor-advisory
- GLSA-201510-02 vendor-advisory
- SUSE-SU-2015:1206 vendor-advisory
- DSA-3284 vendor-advisory
- 75123 vdb-entry
- SUSE-SU-2015:1157 vendor-advisory
- 1032545 vdb-entry
- SUSE-SU-2015:1045 vendor-advisory
- http://xenbits.xen.org/xsa/advisory-135.html
- SUSE-SU-2015:1426 vendor-advisory
- GLSA-201604-03 vendor-advisory
- RHSA-2015:1189 vendor-advisory
- SUSE-SU-2015:1042 vendor-advisory
- FEDORA-2015-9965 vendor-advisory
- DSA-3285 vendor-advisory
- https://www.arista.com/en/support/advisories-notices/security-advisories/1180-security-advisory-13