CVE-2016-9383
high
CVSS v3
8.8
CVSS v2
7.2
VIR risk
8.8
Description
Xen, when running on a 64-bit hypervisor, allows local x86 guest OS users to modify arbitrary memory and consequently obtain sensitive information, cause a denial of service (host crash), or execute arbitrary code on the host by leveraging broken emulation of bit test instructions.
Predictions
Exploit likelihood
82%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-9383
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2016-9383.html
Vendor advisory: cve@mitre.org — https://support.citrix.com/article/CTX218775
Vendor advisory: cve@mitre.org — http://xenbits.xen.org/xsa/advisory-195.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 4.8.0-1 |
| debian | bullseye | fixed | 4.8.0-1 |
| debian | forky | fixed | 4.8.0-1 |
| debian | sid | fixed | 4.8.0-1 |
| debian | trixie | fixed | 4.8.0-1 |
References
- http://www.securityfocus.com/bid/94474
- http://www.securitytracker.com/id/1037346
- http://xenbits.xen.org/xsa/advisory-195.html
- https://security.gentoo.org/glsa/201612-56
- https://support.citrix.com/article/CTX218775
- https://www.suse.com/security/cve/CVE-2016-9383.html
- https://security-tracker.debian.org/tracker/CVE-2016-9383
CWEs
CWE-20
Verify integrity in audit chain (admin only). AS-IS.