CVE-2015-4104

high
Published 2015-06-03 · Modified 2026-05-06
CVSS v3
CVSS v2
7.8
VIR risk
7.8

Description

Xen 3.3.x through 4.5.x does not properly restrict access to PCI MSI mask bits, which allows local x86 HVM guest users to cause a denial of service (unexpected interrupt and host crash) via unspecified vectors.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2015-4104

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — http://xenbits.xen.org/xsa/advisory-129.html

OS impact

OSVersionStatusFixed in
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

References

CWEs

CWE-264

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