CVE-2015-4104
high
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 advisory: debian — https://security-tracker.debian.org/tracker/CVE-2015-4104
Vendor advisory: cve@mitre.org — http://xenbits.xen.org/xsa/advisory-129.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 1:2.3+dfsg-5 |
| debian | bullseye | fixed | 1:2.3+dfsg-5 |
| debian | forky | fixed | 1:2.3+dfsg-5 |
| debian | sid | fixed | 1:2.3+dfsg-5 |
| debian | trixie | fixed | 1:2.3+dfsg-5 |
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160154.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160171.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160685.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00029.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00030.html
- http://support.citrix.com/article/CTX201145
- http://www.debian.org/security/2015/dsa-3284
- http://www.debian.org/security/2015/dsa-3286
- http://www.securityfocus.com/bid/74950
- http://www.securitytracker.com/id/1032464
- http://www.ubuntu.com/usn/USN-2630-1
- http://xenbits.xen.org/xsa/advisory-129.html
- https://security.gentoo.org/glsa/201604-03
- https://support.citrix.com/article/CTX206006
- https://security-tracker.debian.org/tracker/CVE-2015-4104
CWEs
CWE-264
Verify integrity in audit chain (admin only). AS-IS.