certfr_avis - certfr-2016-avi-328

CERTFR-2016-AVI-328

Vulnerability from certfr_avis

Une vulnérabilité a été corrigée dans Xen. Elle permet à un attaquant de provoquer une atteinte à l'intégrité des données, une atteinte à la confidentialité des données et une élévation de privilèges.

Solution

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Xen version 4.7 et antérieures

Impacted products

	Vendor	Product	Description

References

Title

Publication Time

CVE-2016-7777 (GCVE-0-2016-7777)

Vulnerability from cvelistv5

Published

2016-10-07 14:00

Modified

2024-08-06 02:04

Severity ?

CWE

Summary

Xen 4.7.x and earlier does not properly honor CR0.TS and CR0.EM, which allows local x86 HVM guest OS users to read or modify FPU, MMX, or XMM register state information belonging to arbitrary tasks on the guest by modifying an instruction while the hypervisor is preparing to emulate it.

References

URL

Tags

	https://support.citrix.com/article/CTX217363	x_refsource_CONFIRM
	http://xenbits.xen.org/xsa/advisory-190.html	x_refsource_CONFIRM
	http://www.securityfocus.com/bid/93344	vdb-entry, x_refsource_BID
	https://security.gentoo.org/glsa/201611-09	vendor-advisory, x_refsource_GENTOO
	http://www.securitytracker.com/id/1036942	vdb-entry, x_refsource_SECTRACK

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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