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cveMitreCVE-2016-7777
HistoryOct 07, 2016 - 2:59 p.m.

CVE-2016-7777

2016-10-0714:59:10
CWE-362
mitre
web.nvd.nist.gov
54
cve-2016-7777
xen
security
information security
nvd
vulnerability

CVSS2

3.3

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:L/AC:M/Au:N/C:P/I:P/A:N

CVSS3

6.3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

6

Confidence

High

EPSS

0.001

Percentile

31.4%

JSON

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.

Affected configurations

Nvd
Node
xenxenRange≤4.7.0
VendorProductVersionCPE
xenxen*cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*

Related

debiancve 1
osv 3
xen 1
openvas 17
nvd 1
nessus 23
prion 1
citrix 1
debian 3
cvelist 1
redhatcve 1
freebsd 1
ubuntucve 1
fedora 3
gentoo 1
suse 9
mageia 1
debiancve
debiancve
CVE-2016-7777
2016-10-07 14:59:10
osv
osv
xen - security update
2016-11-03 00:00:00
xen - security update
2016-12-07 00:00:00
xen-4.15.1_01-1.2 on GA media
2024-06-15 00:00:00
xen
xen
CR0.TS and CR0.EM not always honored for x86 HVM guests
2016-10-04 12:00:00
openvas
openvas
Citrix XenServer Security Update for CVE-2016-7777 (CTX217363)
2016-10-25 00:00:00
Debian: Security Advisory (DLA-699-1)
2023-03-08 00:00:00
Fedora Update for xen FEDORA-2016-81e5a36d8c
2016-12-07 00:00:00
nvd
nvd
CVE-2016-7777
2016-10-07 14:59:10
nessus
nessus
Xen x86 CR0.TS and CR0.EM Honoring Cross-task Register State Information Disclosure (XSA-190)
2016-10-20 00:00:00
FreeBSD : xen-kernel -- CR0.TS and CR0.EM not always honored for x86 HVM guests (4d7cf654-ba4d-11e6-ae1b-002590263bf5)
2016-12-05 00:00:00
RHEL 5 : xsa190_xen (Unpatched Vulnerability)
2024-05-11 00:00:00
prion
prion
Information disclosure
2016-10-07 14:59:00
citrix
citrix
CVE-2016-7777 - Citrix XenServer Security Update
2016-10-10 04:00:00
debian
debian
[SECURITY] [DLA 699-1] xen security update
2016-11-03 15:30:32
[SECURITY] [DSA 3729-1] xen security update
2016-12-07 20:31:37
[SECURITY] [DSA 3729-1] xen security update
2016-12-07 20:31:37
cvelist
cvelist
CVE-2016-7777
2016-10-07 14:00:00
redhatcve
redhatcve
CVE-2016-7777
2016-10-04 13:17:33
freebsd
freebsd
xen-kernel -- CR0.TS and CR0.EM not always honored for x86 HVM guests
2016-10-04 00:00:00
ubuntucve
ubuntucve
CVE-2016-7777
2016-10-07 00:00:00
fedora
fedora
[SECURITY] Fedora 25 Update: xen-4.7.0-6.fc25
2016-10-09 18:53:13
[SECURITY] Fedora 23 Update: xen-4.5.5-2.fc23
2016-10-14 01:22:08
[SECURITY] Fedora 24 Update: xen-4.6.3-6.fc24
2016-10-13 21:56:36
gentoo
gentoo
Xen: Multiple vulnerabilities
2016-11-15 00:00:00
suse
suse
Security update for xen (important)
2016-12-07 20:07:43
Security update for xen (important)
2016-12-27 17:11:00
Security update for xen (important)
2016-12-16 16:07:44
mageia
mageia
Updated xen packages fix security vulnerability
2017-01-09 23:29:57

CVSS2

3.3

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:L/AC:M/Au:N/C:P/I:P/A:N

CVSS3

6.3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

6

Confidence

High

EPSS

0.001

Percentile

31.4%

JSON
Related for CVE-2016-7777
debiancve1osv3xen1openvas17nvd1nessus23prion1citrix1debian3cvelist1redhatcve1freebsd1ubuntucve1fedora3gentoo1suse9mageia1