CVE-2015-4106

medium
Published 2015-06-03 ยท Modified 2026-05-06
CVSS v3
โ€”
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
4.6

Description

QEMU does not properly restrict write access to the PCI config space for certain PCI pass-through devices, which might allow local x86 HVM guests to gain privileges, cause a denial of service (host crash), obtain sensitive information, or possibly have other unspecified impact via unknown vectors.

Predictions

Exploit likelihood
20%
Patch ETA
โ€”

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 โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ 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
suse suse11affected
suse suse12affected
debian debian7.0affected
debian debian8.0affected
fedora fedora20affected
fedora fedora21affected
fedora fedora22affected
ubuntu ubuntu12.04affected
ubuntu ubuntu14.04affected
ubuntu ubuntu14.10affected
ubuntu ubuntu15.04affected
debian debianbookwormfixed1:2.3+dfsg-5
debian debianbullseyefixed1:2.3+dfsg-5
debian debianforkyfixed1:2.3+dfsg-5
debian debiansidfixed1:2.3+dfsg-5
debian debiantrixiefixed1:2.3+dfsg-5

Application impact

VendorProductVersionsFixed
qemuqemu{"endIncluding":"2.3.1"}
citrixxenserver6.0
citrixxenserver6.0.2
citrixxenserver6.1.0
citrixxenserver6.2.0
citrixxenserver6.5

References

CWEs

CWE-863

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

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