PT-2013-4875 · Libvirt · Libvirt
Alex Jia
·
Published
2013-09-30
·
Updated
2024-06-15
·
CVE-2013-4154
CVSS v2.0
4.3
Medium
| Vector | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Name of the Vulnerable Software and Affected Versions
libvirt versions prior to 1.1.1
Description
The issue allows remote attackers to cause a denial of service, resulting in a crash due to a NULL pointer dereference. This can be achieved through vectors related to agent-based CPU (un)plug, as demonstrated by the command
virsh vcpucount foobar --guest.Recommendations
For versions prior to 1.1.1, update to version 1.1.1 or later to resolve the issue. As a temporary workaround, consider restricting access to the
qemuAgentCommand function until a patch is available.Exploit
Fix
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Related Identifiers
Affected Products
Libvirt