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Fencer Intel
high 7.8

CVE-2013-4536 json

An user able to alter the savevm data (either on the disk or over the wire during migration) could use this flaw to to corrupt QEMU process…

published 5y ago modified 4mo ago also EUVD-2013-4395

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 22%
public exploits
0
none known

Summary

An user able to alter the savevm data (either on the disk or over the wire during migration) could use this flaw to to corrupt QEMU process memory on the (destination) host, which could potentially result in arbitrary code execution on the host with the privileges of the QEMU process.

Patch / fix

  • qemu qemu 1.5.3
  • qemu Debian 14, Debian 13, Debian 12 2.1+dfsg-1

debian advisories DEBIAN-CVE-2013-4536

  • qemu Ubuntu 14.04 LTS 2.0.0+dfsg-2ubuntu1.3

ubuntu advisories UBUNTU-CVE-2013-4536

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

  • qemu-kvm-rhev openstack 5 10:1.5.3-60.el7_0.7
  • qemu-img-rhev openstack 5 10:1.5.3-60.el7_0.7
  • libcacard-rhev openstack 5 10:1.5.3-60.el7_0.7
  • qemu-kvm-tools-rhev openstack 5 10:1.5.3-60.el7_0.7
  • libcacard-devel-rhev openstack 5 10:1.5.3-60.el7_0.7
  • libcacard-tools-rhev openstack 5 10:1.5.3-60.el7_0.7
  • qemu-kvm-common-rhev openstack 5 10:1.5.3-60.el7_0.7
  • qemu-kvm RHEL 7 10:1.5.3-60.el7_0.5

red hat advisories RHSA-2014:1268RHSA-2014:0927RHSA-2014:0888RHSA-2014:0744RHSA-2014:0743RHSA-2014:0674

  • qemu openSUSE Tumbleweed 2.6.1-1.5

opensuse advisories openSUSE-SU-2024:10233-1

Is CVE-2013-4536 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

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-2013-4536 updated cvss 3.7

qemu: virtio: insufficient validation of num_sg when mapping

  • Red Hat Enterprise Linux 5 kvm
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 6 qemu-kvm-rhev
    affected: no fix available
  • Red Hat Enterprise Linux Client (v. 7) qemu-img 1.5.3-60.el7_0.5, qemu-kvm 1.5.3-60.el7_0.5, libcacard 1.5.3-60.el7_0.5, qemu-kvm-tools 1.5.3-60.el7_0.5, qemu-kvm-common 1.5.3-60.el7_0.5, qemu-guest-agent 1.5.3-60.el7_0.5 Red Hat Enterprise Linux Client Optional (v. 7) libcacard-tools 1.5.3-60.el7_0.5 Red Hat Enterprise Linux ComputeNode (v. 7) qemu-kvm 1.5.3-60.el7_0.5, qemu-guest-agent 1.5.3-60.el7_0.5 Red Hat Enterprise Linux ComputeNode Optional (v. 7) qemu-img 1.5.3-60.el7_0.5, qemu-kvm 1.5.3-60.el7_0.5, libcacard 1.5.3-60.el7_0.5, qemu-kvm-tools 1.5.3-60.el7_0.5, libcacard-tools 1.5.3-60.el7_0.5, qemu-kvm-common 1.5.3-60.el7_0.5
    fixed: vendor fix RHSA-2014:0927
  • Red Hat Enterprise Linux Desktop (v. 6) qemu-img 0.12.1.2-2.415.el6_5.10, qemu-kvm 0.12.1.2-2.415.el6_5.10, qemu-kvm-tools 0.12.1.2-2.415.el6_5.10, qemu-guest-agent 0.12.1.2-2.415.el6_5.10 Red Hat Enterprise Linux HPC Node (v. 6) qemu-img 0.12.1.2-2.415.el6_5.10, qemu-kvm 0.12.1.2-2.415.el6_5.10, qemu-kvm-tools 0.12.1.2-2.415.el6_5.10, qemu-guest-agent 0.12.1.2-2.415.el6_5.10
    fixed: vendor fix RHSA-2014:0743
  • Red Hat Enterprise Linux OpenStack Platform 3.0 qemu-img-rhev 0.12.1.2-2.415.el6_5.10, qemu-kvm-rhev 0.12.1.2-2.415.el6_5.10, qemu-kvm-rhev-tools 0.12.1.2-2.415.el6_5.10 Red Hat Enterprise Linux OpenStack Platform 4.0 qemu-img-rhev 0.12.1.2-2.415.el6_5.10, qemu-kvm-rhev 0.12.1.2-2.415.el6_5.10, qemu-kvm-rhev-tools 0.12.1.2-2.415.el6_5.10
    fixed: vendor fix RHSA-2014:0888
  • Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7 qemu-img-rhev 1.5.3-60.el7_0.7, qemu-kvm-rhev 1.5.3-60.el7_0.7, libcacard-rhev 1.5.3-60.el7_0.7, qemu-kvm-tools-rhev 1.5.3-60.el7_0.7, libcacard-devel-rhev 1.5.3-60.el7_0.7, libcacard-tools-rhev 1.5.3-60.el7_0.7, +1 more
    fixed: vendor fix RHSA-2014:1268
  • Red Hat Enterprise Linux Server (v. 6) qemu-img 0.12.1.2-2.415.el6_5.10, qemu-kvm 0.12.1.2-2.415.el6_5.10, qemu-kvm-tools 0.12.1.2-2.415.el6_5.10, qemu-guest-agent 0.12.1.2-2.415.el6_5.10
    fixed: vendor fix RHSA-2014:0743
  • Red Hat Enterprise Linux Server (v. 7) qemu-img 1.5.3-60.el7_0.5, qemu-kvm 1.5.3-60.el7_0.5, libcacard 1.5.3-60.el7_0.5, qemu-kvm-tools 1.5.3-60.el7_0.5, qemu-kvm-common 1.5.3-60.el7_0.5, qemu-guest-agent 1.5.3-60.el7_0.5 Red Hat Enterprise Linux Server Optional (v. 7) libcacard-tools 1.5.3-60.el7_0.5
    fixed: vendor fix RHSA-2014:0927
show 4 more
  • Red Hat Enterprise Linux Workstation (v. 6) qemu-img 0.12.1.2-2.415.el6_5.10, qemu-kvm 0.12.1.2-2.415.el6_5.10, qemu-kvm-tools 0.12.1.2-2.415.el6_5.10, qemu-guest-agent 0.12.1.2-2.415.el6_5.10
    fixed: vendor fix RHSA-2014:0743
  • Red Hat Enterprise Linux Workstation (v. 7) qemu-img 1.5.3-60.el7_0.5, qemu-kvm 1.5.3-60.el7_0.5, libcacard 1.5.3-60.el7_0.5, qemu-kvm-tools 1.5.3-60.el7_0.5, qemu-kvm-common 1.5.3-60.el7_0.5, qemu-guest-agent 1.5.3-60.el7_0.5 Red Hat Enterprise Linux Workstation Optional (v. 7) libcacard-tools 1.5.3-60.el7_0.5
    fixed: vendor fix RHSA-2014:0927
  • Red Hat RHEV Agents (vdsm) qemu-img-rhev 0.12.1.2-2.415.el6_5.10, qemu-kvm-rhev 0.12.1.2-2.415.el6_5.10, qemu-kvm-rhev-tools 0.12.1.2-2.415.el6_5.10
    fixed: vendor fix RHSA-2014:0744
  • Red Hat RHEV Hypervisor for RHEL-6 rhev-hypervisor6 6.5-20140603.2.el6ev
    fixed: vendor fix RHSA-2014:0674

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

0.30% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • n/a qemu

Classification

Weakness
  • CWE-269 Improper Privilege Management

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.