VIR Vulnerability Intelligence Relay

CVE-2012-4423

medium
Published 2012-11-19 · Modified 2026-04-29
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
—
CVSS v4 NEW
—
not yet in upstream
VIR risk
5.0

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.

Predictions

Exploit likelihood
20%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact
OSVersionStatusFixed in
debian debianbookwormfixed0.9.12-5
debian debianbullseyefixed0.9.12-5
debian debianforkyfixed0.9.12-5
debian debiansidfixed0.9.12-5
debian debiantrixiefixed0.9.12-5

Application impact
VendorProductVersionsFixed
redhat redhatlibvirt{"endIncluding":"0.10.1"}
redhat redhatlibvirt0.0.1
redhat redhatlibvirt0.0.2
redhat redhatlibvirt0.0.3
redhat redhatlibvirt0.0.4
redhat redhatlibvirt0.0.5
redhat redhatlibvirt0.0.6
redhat redhatlibvirt0.1.0
redhat redhatlibvirt0.1.1
redhat redhatlibvirt0.1.3
redhat redhatlibvirt0.1.4
redhat redhatlibvirt0.1.5
redhat redhatlibvirt0.1.6
redhat redhatlibvirt0.1.7
redhat redhatlibvirt0.1.8
redhat redhatlibvirt0.1.9
redhat redhatlibvirt0.2.0
redhat redhatlibvirt0.2.1
redhat redhatlibvirt0.2.2
redhat redhatlibvirt0.2.3
redhat redhatlibvirt0.3.0
redhat redhatlibvirt0.3.1
redhat redhatlibvirt0.3.2
redhat redhatlibvirt0.3.3
redhat redhatlibvirt0.4.0
redhat redhatlibvirt0.4.1
redhat redhatlibvirt0.4.2
redhat redhatlibvirt0.4.3
redhat redhatlibvirt0.4.4
redhat redhatlibvirt0.4.5
redhat redhatlibvirt0.4.6
redhat redhatlibvirt0.5.0
redhat redhatlibvirt0.5.1
redhat redhatlibvirt0.6.0
redhat redhatlibvirt0.6.1
redhat redhatlibvirt0.6.2
redhat redhatlibvirt0.6.3
redhat redhatlibvirt0.6.4
redhat redhatlibvirt0.6.5
redhat redhatlibvirt0.7.0
redhat redhatlibvirt0.7.1
redhat redhatlibvirt0.7.2
redhat redhatlibvirt0.7.3
redhat redhatlibvirt0.7.4
redhat redhatlibvirt0.7.5
redhat redhatlibvirt0.7.6
redhat redhatlibvirt0.7.7
redhat redhatlibvirt0.8.0
redhat redhatlibvirt0.8.1
redhat redhatlibvirt0.8.2
redhat redhatlibvirt0.8.3
redhat redhatlibvirt0.8.4
redhat redhatlibvirt0.8.5
redhat redhatlibvirt0.8.6
redhat redhatlibvirt0.8.7
redhat redhatlibvirt0.8.8
redhat redhatlibvirt0.9.0
redhat redhatlibvirt0.9.1
redhat redhatlibvirt0.9.2
redhat redhatlibvirt0.9.3
redhat redhatlibvirt0.9.4
redhat redhatlibvirt0.9.5
redhat redhatlibvirt0.9.6
redhat redhatlibvirt0.9.7
redhat redhatlibvirt0.9.8
redhat redhatlibvirt0.9.9
redhat redhatlibvirt0.9.10
redhat redhatlibvirt0.9.11
redhat redhatlibvirt0.9.12
redhat redhatlibvirt0.9.13
redhat redhatlibvirt0.10.0

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.