libvirt: crash of libvirtd without guest agent configuration
Published Sep 30, 2013
4.3
MEDIUMCVSS 2.0
EPSS 2.20%
Description
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.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
libvirt
Not affected
Red Hat Enterprise Linux 6
libvirt
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | libvirt | Not affected | n/a |
| Red Hat Enterprise Linux 6 | libvirt | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the versions of libvirt as shipped with Red Hat Enterprise Linux 5 and Red Hat Enterprise Linux 6.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.20% (0.02202) | 81.89th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.20% (0.02202) | 80.14th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.73% (0.00731) | 71.01th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.39% (0.01385) | 86.90th | v3 (v2023.03.01) |
| May 5, 2024 | 1.39% (0.01385) | 86.26th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.39% (0.01385) | 84.26th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
No CWE recorded.
References (8)
- http://libvirt.org/git/?p=libvirt.git%3Ba=commitdiff%3Bh=96518d4316b711c72205117f8d5c967d5127bbb6 x_refsource_CONFIRM
- http://libvirt.org/news.html x_refsource_CONFIRM
- http://openwall.com/lists/oss-security/2013/07/19/12 mailing-listx_refsource_MLISTPatch
- https://access.redhat.com/security/cve/CVE-2013-4154 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=984821 x_refsource_CONFIRMExploit
- https://bugzilla.redhat.com/show_bug.cgi?id=986386 x_refsource_CONFIRMPatchIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2013-4154
- https://www.cve.org/CVERecord?id=CVE-2013-4154
| Link | Providers | Tags |
|---|---|---|
| http://libvirt.org/git/?p=libvirt.git%3Ba=commitdiff%3Bh=96518d4316b711c72205117f8d5c967d5127bbb6 | x_refsource_CONFIRM | |
| http://libvirt.org/news.html | x_refsource_CONFIRM | |
| http://openwall.com/lists/oss-security/2013/07/19/12 | mailing-listx_refsource_MLISTPatch | |
| https://access.redhat.com/security/cve/CVE-2013-4154 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=984821 | x_refsource_CONFIRMExploit | |
| https://bugzilla.redhat.com/show_bug.cgi?id=986386 | x_refsource_CONFIRMPatchIssue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2013-4154 | ||
| https://www.cve.org/CVERecord?id=CVE-2013-4154 |
Change history (0)
No recorded changes yet.