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Fencer Intel
high 7.5

CVE-2015-3209 json

Heap-based buffer overflow in the PCNET controller in QEMU allows remote attackers to execute arbitrary code by sending a packet with TXSTA…

published 2015-06-15 11 y ago modified 2026-06-17 4 mo ago also EUVD-2015-3272

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
9.7%
EPSS 9.7% chance of exploitation in 30 days, percentile 95%
public exploits
0
none known

Summary

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.

Patch / fix

  • xen Debian 14, Debian 13, Debian 12 4.4.0-1
  • qemu Debian 14, Debian 13, Debian 12 1:2.3+dfsg-6

debian advisories DEBIAN-CVE-2015-3209

  • xen Ubuntu 14.04 LTS 4.4.2-0ubuntu0.14.04.2
  • qemu Ubuntu 14.04 LTS 2.0.0+dfsg-2ubuntu1.13

ubuntu advisories UBUNTU-CVE-2015-3209

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kvm RHEL 5 VIRTUALIZATION 83-273.el5_11
  • kmod-kvm RHEL 5 VIRTUALIZATION 83-273.el5_11
  • kvm-tools RHEL 5 VIRTUALIZATION 83-273.el5_11
  • kvm-qemu-img RHEL 5 VIRTUALIZATION 83-273.el5_11
  • qemu-kvm-rhev RHEL 6, openstack 5 2:0.12.1.2-2.448.el6_6.4
  • qemu-img-rhev RHEL 6, openstack 5 2:0.12.1.2-2.448.el6_6.4
  • qemu-kvm-rhev-tools RHEL 6, openstack 5 2:0.12.1.2-2.448.el6_6.4
  • qemu-kvm RHEL 6 2:0.12.1.2-2.448.el6_6.4

red hat advisories RHSA-2015:1189RHSA-2015:1089RHSA-2015:1088RHSA-2015:1087

  • qemu SLES for SAP 12, SLES 12, SLED 12 2.0.2-48.4.1
  • xen SLES for SAP 12, SLES 12, SLED 12 +1 more 4.4.2_06-21.1
  • kvm SLES 11 SP2-LTSS 0.15.1-0.32.2

suse advisories SUSE-SU-2015:1426-1SUSE-SU-2015:1519-1SUSE-SU-2015:1042-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-3209 updated cvss 6.5

qemu: pcnet: multi-tmd buffer overflow in the tx path

  • Red Hat Enterprise Linux 5 kvm, xen
    affected: no fix available, no fix planned “Will not fix”
  • Red Hat OpenStack Platform 4 qemu-kvm-rhev
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Desktop (v. 6) qemu-img 0.12.1.2-2.448.el6_6.4, qemu-kvm 0.12.1.2-2.448.el6_6.4, qemu-kvm-tools 0.12.1.2-2.448.el6_6.4, qemu-guest-agent 0.12.1.2-2.448.el6_6.4
    fixed: vendor fix RHSA-2015:1087
  • Red Hat Enterprise Linux Desktop Multi OS (v. 5 client) kvm 83-273.el5_11, kmod-kvm 83-273.el5_11, kvm-tools 83-273.el5_11, kvm-qemu-img 83-273.el5_11
    fixed: vendor fix RHSA-2015:1189
  • Red Hat Enterprise Linux HPC Node (v. 6) qemu-img 0.12.1.2-2.448.el6_6.4, qemu-kvm 0.12.1.2-2.448.el6_6.4, qemu-kvm-tools 0.12.1.2-2.448.el6_6.4, qemu-guest-agent 0.12.1.2-2.448.el6_6.4
    fixed: vendor fix RHSA-2015:1087
  • Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6 qemu-img-rhev 0.12.1.2-2.448.el6_6.4, qemu-kvm-rhev 0.12.1.2-2.448.el6_6.4, qemu-kvm-rhev-tools 0.12.1.2-2.448.el6_6.4
    fixed: vendor fix RHSA-2015:1089
  • Red Hat Enterprise Linux Server (v. 6) qemu-img 0.12.1.2-2.448.el6_6.4, qemu-kvm 0.12.1.2-2.448.el6_6.4, qemu-kvm-tools 0.12.1.2-2.448.el6_6.4, qemu-guest-agent 0.12.1.2-2.448.el6_6.4
    fixed: vendor fix RHSA-2015:1087
  • Red Hat Enterprise Linux Virtualization (v. 5 server) kvm 83-273.el5_11, kmod-kvm 83-273.el5_11, kvm-tools 83-273.el5_11, kvm-qemu-img 83-273.el5_11
    fixed: vendor fix RHSA-2015:1189
show 3 more
  • Red Hat Enterprise Linux Workstation (v. 6) qemu-img 0.12.1.2-2.448.el6_6.4, qemu-kvm 0.12.1.2-2.448.el6_6.4, qemu-kvm-tools 0.12.1.2-2.448.el6_6.4, qemu-guest-agent 0.12.1.2-2.448.el6_6.4
    fixed: vendor fix RHSA-2015:1087
  • Red Hat RHEV Agents (vdsm) qemu-img-rhev 0.12.1.2-2.448.el6_6.4, qemu-kvm-rhev 0.12.1.2-2.448.el6_6.4, qemu-kvm-rhev-tools 0.12.1.2-2.448.el6_6.4
    fixed: vendor fix RHSA-2015:1088
  • Red Hat Enterprise Linux 7 qemu-img, qemu-kvm, libcacard, qemu-kvm-rhev, qemu-kvm-tools, libcacard-tools, +2 more Red Hat Enterprise Linux OpenStack Platform 6 (Juno) qemu-kvm-rhev Red Hat Enterprise Linux OpenStack Platform 7 (Kilo) qemu-img-rhev, qemu-kvm-rhev, libcacard-rhev, qemu-kvm-tools-rhev, libcacard-devel-rhev, libcacard-tools-rhev, +1 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

9.68% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.