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Vulnerability Intelligence

Vulnerability IntelligenceCVE-2016-9382

CVE-2016-9382

HIGH7.8

Xen 4

Published Jan 23, 2017

Modified 1 years ago

Details

Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode, which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service (guest OS crash) by leveraging a guest operating system that uses hardware task switching and allows a new task to start in VM86 mode.

References

http://www.securityfocus.com/bid/94470

http://www.securitytracker.com/id/1037341

http://xenbits.xen.org/xsa/advisory-192.html

https://security.gentoo.org/glsa/201612-56

https://support.citrix.com/article/CTX218775

https://www.cve.org/CVERecord?id=CVE-2016-9382

CVSS Analysis

CVSS v3.0

7.8

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

7.8/CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Ecosystems

Timeline

PublishedJan 23, 2017

ModifiedAug 6, 2024

CVE-2016-9382 | Mondoo Vulnerability Intelligence