CVE-2016-3960
high
CVSS v3
8.8
CVSS v2
7.2
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
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-3960
Vendor advisory: cve@mitre.org — http://xenbits.xen.org/xsa/advisory-173.html
Vendor advisory: cve@mitre.org — http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| fedora | 22 | affected | |
| fedora | 23 | affected | |
| fedora | 24 | 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-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
Verify integrity in audit chain (admin only). AS-IS.