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

fedora Fedora Affected 3 releases
VersionStatusFixed in
22 Affected โ€”
21 Affected โ€”
20 Affected โ€”
suse SUSE Affected 2 releases
VersionStatusFixed in
12 Affected โ€”
11 Affected โ€”
ubuntu Ubuntu Affected 4 releases
VersionStatusFixed in
15.04 Affected โ€”
14.10 Affected โ€”
14.04 Affected โ€”
12.04 Affected โ€”
debian Debian Mixed 7 releases
VersionStatusFixed in
trixie Fixed 1:2.3+dfsg-5
sid Fixed 1:2.3+dfsg-5
forky Fixed 1:2.3+dfsg-5
bullseye Fixed 1:2.3+dfsg-5
bookworm Fixed 1:2.3+dfsg-5
8.0 Affected โ€”
7.0 Affected โ€”

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.