libvirt: null function pointer invocation in virNetServerProgramDispatchCall()
Published Nov 19, 2012
5.0
MEDIUMCVSS 2.0
EPSS 3.72%
Description
The virNetServerProgramDispatchCall function in libvirt before 0.10.2 allows remote attackers to cause a denial of service (NULL pointer dereference and segmentation fault) via an RPC call with (1) an event as the RPC number or (2) an RPC number whose value is in a "gap" in the RPC dispatch table.
Affected products
No data.
- ≤ 0.10.1
- 0.0.1
- 0.0.2
- 0.0.3
- 0.0.4
- 0.0.5
- 0.0.6
- 0.1.0
- 0.1.1
- 0.1.3
- 0.1.4
- 0.1.5
- 0.1.6
- 0.1.7
- 0.1.8
- 0.1.9
- 0.2.0
- 0.2.1
- 0.2.2
- 0.2.3
- 0.3.0
- 0.3.1
- 0.3.2
- 0.3.3
- 0.4.0
- 0.4.1
- 0.4.2
- 0.4.3
- 0.4.4
- 0.4.5
- 0.4.6
- 0.5.0
- 0.5.1
- 0.6.0
- 0.6.1
- 0.6.2
- 0.6.3
- 0.6.4
- 0.6.5
- 0.7.0
- 0.7.1
- 0.7.2
- 0.7.3
- 0.7.4
- 0.7.5
- 0.7.6
- 0.7.7
- 0.8.0
- 0.8.1
- 0.8.2
- 0.8.3
- 0.8.4
- 0.8.5
- 0.8.6
- 0.8.7
- 0.8.8
- 0.9.0
- 0.9.1
- 0.9.2
- 0.9.3
- 0.9.4
- 0.9.5
- 0.9.6
- 0.9.7
- 0.9.8
- 0.9.9
- 0.9.10
- 0.9.11
- 0.9.12
- 0.9.13
- 0.10.0
No data.
Red Hat Enterprise Linux 6
libvirt-0:0.9.10-21.el6_3.5
Fixed · RHSA-2012:1359
Red Hat Enterprise Linux 5
libvirt
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | libvirt-0:0.9.10-21.el6_3.5 | Fixed | RHSA-2012:1359 |
| Red Hat Enterprise Linux 5 | libvirt | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
The versions of libvirt as shipped with Red Hat Enterprise Linux 5 are not affected. This issue did affect the versions of the libvirt package as shipped with 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:L/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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.72% (0.03718) | 89.43th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.72% (0.03718) | 88.32th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.87% (0.02870) | 85.04th | v4 (v2025.03.14) |
| Mar 29, 2025 | 14.97% (0.14968) | 90.95th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.07% (0.02074) | 82.77th | v4 (v2025.03.14) |
| Dec 12, 2024 | 13.01% (0.13006) | 95.74th | v3 (v2023.03.01) |
| Mar 7, 2023 | 13.01% (0.13006) | 94.58th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02172) | 80.77th | v2 (v2022.01.01) |
| Feb 13, 2023 | 2.17% (0.02172) | 80.28th | v2 (v2022.01.01) |
| Feb 3, 2023 | 3.78% (0.03779) | 85.12th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02172) | 78.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02172) | 57.73th | v2 (v2022.01.01) |
No CWE recorded.
References (15)
- http://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=b7ff9e696063189a715802d081d55a398663c15a x_refsource_CONFIRM
- http://libvirt.org/git/?p=libvirt.git%3Ba=commitdiff%3Bh=f8fbeb50d52520a109d71c8566fed2ea600650ec x_refsource_CONFIRM
- http://lists.fedoraproject.org/pipermail/package-announce/2012-October/089976.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090121.html vendor-advisoryx_refsource_FEDORA
- http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00001.html vendor-advisoryx_refsource_SUSE
- http://rhn.redhat.com/errata/RHSA-2012-1359.html vendor-advisoryx_refsource_REDHAT
- http://www.openwall.com/lists/oss-security/2012/09/13/14 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/55541 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1027649 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/USN-1708-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2012-4423 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=857133 x_refsource_MISCIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2012-4423
- https://www.cve.org/CVERecord?id=CVE-2012-4423
- https://www.redhat.com/archives/libvir-list/2012-September/msg00843.html mailing-listx_refsource_MLIST
Change history (0)
No recorded changes yet.