CVE-2013-4153

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2013-09-30 · updated 2026-06-16
Weakness: CWE-399

Description

Double free vulnerability in the qemuAgentGetVCPUs function in qemu/qemu_agent.c in libvirt 1.0.6 through 1.1.0 allows remote attackers to cause a denial of service (daemon crash) via a cpu count request, as demonstrated by the "virsh vcpucount dom --guest" command.

Affected products

libvirt: 1.0.6, 1.1.0

References

http://libvirt.org/git/?p=libvirt.git%3Ba=commitdiff%3Bh=dfc692350a04a70b4ca65667c30869b3bfdaf034
http://libvirt.org/news.html
http://openwall.com/lists/oss-security/2013/07/19/11
https://bugzilla.redhat.com/show_bug.cgi?id=984821
https://bugzilla.redhat.com/show_bug.cgi?id=986383
http://libvirt.org/git/?p=libvirt.git%3Ba=commitdiff%3Bh=dfc692350a04a70b4ca65667c30869b3bfdaf034
http://libvirt.org/news.html
http://openwall.com/lists/oss-security/2013/07/19/11
https://bugzilla.redhat.com/show_bug.cgi?id=984821
https://bugzilla.redhat.com/show_bug.cgi?id=986383

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