CVE-2016-3960
high
CVSS v3
8.8
CVSS v4 NEW
—
VIR risk
8.8
Description
Integer overflow in the x86 shadow pagetable code in Xen allows local guest OS users to cause a denial of service (host crash) or possibly gain privileges by shadowing a superpage mapping.
Predictions
Exploit likelihood
82%
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 3 releases
| Version | Status | Fixed in |
|---|---|---|
| 24 | Affected | — |
| 23 | Affected | — |
| 22 | Affected | — |
Debian Fixed 5 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 |
References
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183275.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183350.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184209.html
- http://support.citrix.com/article/CTX209443
- http://www.debian.org/security/2016/dsa-3554
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.securityfocus.com/bid/86318
- http://www.securitytracker.com/id/1035587
- http://xenbits.xen.org/xsa/advisory-173.html
- https://security-tracker.debian.org/tracker/CVE-2016-3960
CWEs
CWE-264
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.