Description
The C+ mode offload emulation in the RTL8139 network card device model in QEMU, as used in Xen 4.5.x and earlier, allows remote attackers to read process heap memory via unspecified vectors.
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 | 1:2.4+dfsg-1a | — |
| Debian 14 | xen | 4.4.0-1 | — |
| Debian 13 | qemu | 1:2.4+dfsg-1a | — |
| Debian 13 | xen | 4.4.0-1 | — |
| Debian 12 | qemu | 1:2.4+dfsg-1a | — |
| Debian 12 | xen | 4.4.0-1 | — |
| Debian 8 | qemu | 1:2.1+dfsg-12+deb8u2 | DSA-3348-1 |
| Debian 7 | qemu-kvm | 1.1.2+dfsg-6+deb7u9 | DSA-3349-1 |
| Debian 7 | xen | 4.1.6.1-1+deb7u1 | DLA-479-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | qemu | 2.0.0+dfsg-2ubuntu1.17 | USN-2724-1 |
| Ubuntu 14.04 LTS | xen | 4.4.2-0ubuntu0.14.04.2 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | qemu-img +6 | 10:1.5.3-86.el7_1.6 | RHSA-2015:1793 |
| RHEL 7 | qemu-img-rhev +6 | 10:2.1.2-23.el7_1.8 | RHSA-2015:1739 |
| RHEL 6 | qemu-img +6 | 2:0.12.1.2-2.479.el6_7.1 | RHSA-2015:1833, RHSA-2015:1740 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat OpenStack 7 | qemu-img-rhev +5 | 10:2.1.2-23.el7_1.8 | RHSA-2015:1718 |
| Red Hat OpenStack 6 | qemu-img-rhev +6 | 10:2.1.2-23.el7_1.8 | RHSA-2015:1674 |
| Red Hat OpenStack 5 | libcacard-rhev +4 | 10:2.1.2-23.el7_1.8 | RHSA-2015:1683 |
| Red Hat OpenStack 5 | qemu-img-rhev +2 | 2:0.12.1.2-2.479.el6_7.1 | RHSA-2015:1683 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 | xen | 4.4.2_10-22.8.1 | SUSE-SU-2015:1384-1 |
| SLES 11 SP4 | xen | 4.4.2_12-23.1 | SUSE-SU-2015:1404-1 |
| SLES 11 SP3 | xen | 4.2.5_12-15.1 | SUSE-SU-2015:1479-2, SUSE-SU-2015:1479-1 |
| SLES 11 SP2 | xen | 4.1.6_08-17.1 | SUSE-SU-2015:1408-1 |
| SLES 11 SP1 | xen | 4.0.3_21548_18-29.1 | SUSE-SU-2015:1421-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 | xen | 4.4.2_10-22.8.1 | SUSE-SU-2015:1384-1 |
| SLES for SAP 11 SP4 | xen | 4.4.2_12-23.1 | SUSE-SU-2015:1404-1 |
| SLES for SAP 11 SP3 | xen | 4.2.5_12-15.1 | SUSE-SU-2015:1479-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | qemu-img +6 | 10:1.5.3-86.el7_1.6 | ELSA-2015-1793 |
Advisories 18
- RHSA-2015:1833 Red Hat Security Advisory: qemu-kvm security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2015:1793 Red Hat Security Advisory: qemu-kvm security fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2015:1739 Red Hat Security Advisory: qemu-kvm-rhev security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2015:1740 Red Hat Security Advisory: qemu-kvm-rhev security fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2015:1718 Red Hat Security Advisory: qemu-kvm-rhev security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2015:1683 Red Hat Security Advisory: qemu-kvm-rhev security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2015:1674 Red Hat Security Advisory: qemu-kvm-rhev security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- DLA-479-1 xen - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3348-1 qemu - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3349-1 qemu-kvm - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-2724-1 qemu, qemu-kvm vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2015:1384-1 security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:1421-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:1404-1 security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:1408-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:1479-2 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:1479-1 Security update for xen SUSE / openSUSE Security Updates · May 2, 2025
- ELSA-2015-1793 Moderate: qemu-kvm security fix update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Sep 15, 2015
References
- RHSA-2015:1674 vendor-advisory
- 1033176 vdb-entry
- SUSE-SU-2015:1643 vendor-advisory
- DSA-3348 vendor-advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://support.citrix.com/article/CTX201717
- RHSA-2015:1683 vendor-advisory
- RHSA-2015:1793 vendor-advisory
- DSA-3349 vendor-advisory
- FEDORA-2015-15944 vendor-advisory
- FEDORA-2015-14361 vendor-advisory
- RHSA-2015:1833 vendor-advisory
- FEDORA-2015-15946 vendor-advisory
- SUSE-SU-2015:1421 vendor-advisory
- RHSA-2015:1740 vendor-advisory
- RHSA-2015:1739 vendor-advisory
- 76153 vdb-entry
- http://xenbits.xen.org/xsa/advisory-140.html
- https://www.arista.com/en/support/advisories-notices/security-advisories/1180-security-advisory-13