CVE-2016-4962
medium
CVSS v3
6.7
CVSS v2
6.8
VIR risk
6.7
Description
The libxl device-handling in Xen 4.6.x and earlier allows local OS guest administrators to cause a denial of service (resource consumption or management facility confusion) or gain host OS privileges by manipulating information in guest controlled areas of xenstore.
Predictions
Exploit likelihood
66%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-4962
Vendor advisory: cve@mitre.org — http://xenbits.xen.org/xsa/advisory-175.html
Vendor advisory: cve@mitre.org — http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2016-4962.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | 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
- https://www.suse.com/security/cve/CVE-2016-4962.html
- http://www.debian.org/security/2016/dsa-3633
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.securityfocus.com/bid/91006
- http://www.securitytracker.com/id/1036023
- http://xenbits.xen.org/xsa/advisory-175.html
- https://security-tracker.debian.org/tracker/CVE-2016-4962
CWEs
CWE-264
Verify integrity in audit chain (admin only). AS-IS.