CVE-2016-2270
medium
CVSS v3
6.8
CVSS v4 NEW
—
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
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Fedora Affected 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 23 | Affected | — |
| 22 | Affected | — |
Debian Mixed 7 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 4.8.0~rc3-1 |
| sid | Fixed | 4.8.0~rc3-1 |
| forky | Fixed | 4.8.0~rc3-1 |
| bullseye | Fixed | 4.8.0~rc3-1 |
| bookworm | Fixed | 4.8.0~rc3-1 |
| 8.0 | Affected | — |
| 7.0 | Affected | — |
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
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.