CVE-2016-2270
medium
CVSS v3
6.8
CVSS v2
4.6
VIR risk
6.8
Description
Xen 4.6.x and earlier allows local guest administrators to cause a denial of service (host reboot) via vectors related to multiple mappings of MMIO pages with different cachability settings.
Predictions
Exploit likelihood
77%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-2270
Vendor advisory: cve@mitre.org — http://xenbits.xen.org/xsa/advisory-154.html
Vendor advisory: cve@mitre.org — http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | 7.0 | affected | |
| debian | 8.0 | affected | |
| fedora | 22 | affected | |
| fedora | 23 | affected | |
| debian | bookworm | fixed | 4.8.0~rc3-1 |
| debian | bullseye | fixed | 4.8.0~rc3-1 |
| debian | forky | fixed | 4.8.0~rc3-1 |
| debian | sid | fixed | 4.8.0~rc3-1 |
| debian | trixie | fixed | 4.8.0~rc3-1 |
References
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177990.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178518.html
- http://www.debian.org/security/2016/dsa-3519
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.securitytracker.com/id/1035042
- http://xenbits.xen.org/xsa/advisory-154.html
- https://security.gentoo.org/glsa/201604-03
- https://security-tracker.debian.org/tracker/CVE-2016-2270
CWEs
CWE-20
Verify integrity in audit chain (admin only). AS-IS.