CVE-2013-4154 json
The qemuAgentCommand function in libvirt before 1.1.1, when a guest agent is not configured, allows remote attackers to cause a denial of s…
published 2013-09-30 13 y ago modified 2026-06-16 4 mo ago also EUVD-2013-4080
- cvss
- 4.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.2%
- EPSS 2.2% chance of exploitation in 30 days, percentile 82%
- public exploits
- 0
- none known
Summary
The qemuAgentCommand function in libvirt before 1.1.1, when a guest agent is not configured, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via vectors related to "agent based cpu (un)plug," as demonstrated by the "virsh vcpucount foobar --guest" command.
Patch / fix
- libvirt Debian 14, Debian 13, Debian 12 1.1.0-4
debian advisories DEBIAN-CVE-2013-4154
- libvirt openSUSE Tumbleweed 2.5.0-1.1
opensuse advisories openSUSE-SU-2024:10209-1
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-2013-4154 updated cvss 3.3
libvirt: crash of libvirtd without guest agent configuration
-
Red Hat Enterprise Linux 5 libvirt Red Hat Enterprise Linux 6 libvirt, libvirt-client, libvirt-python, libvirt-lock-sanlocknot 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
2.20% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=984821 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
References
Sources
- CVE List CVE-2013-4154
- NVD CVE-2013-4154
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.