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ubuntucveUbuntu.comUB:CVE-2016-9386
HistoryJan 23, 2017 - 12:00 a.m.

CVE-2016-9386

2017-01-2300:00:00
ubuntu.com
ubuntu.com
13

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.001

Percentile

26.7%

JSON

The x86 emulator in Xen does not properly treat x86 NULL segments as
unusable when accessing memory, which might allow local HVM guest users to
gain privileges via vectors involving “unexpected” base/limit values.

Notes

Author Note
mdeslaur This is XSA-191
OSVersionArchitecturePackageVersionFilename
ubuntu12.04noarchxen< 4.1.6.1-0ubuntu0.12.04.13UNKNOWN
ubuntu14.04noarchxen< 4.4.2-0ubuntu0.14.04.9UNKNOWN
ubuntu16.04noarchxen< 4.6.0-1ubuntu4.3UNKNOWN
ubuntu16.10noarchxen< 4.7.0-0ubuntu2.1UNKNOWN
ubuntu17.04noarchxen< 4.8.0-1ubuntu1UNKNOWN

Related

nvd 1
cve 1
freebsd 1
prion 1
debiancve 1
osv 4
redhatcve 1
nessus 23
xen 1
cvelist 1
debian 3
openvas 17
fedora 4
suse 9
gentoo 1
mageia 1
nvd
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CVE-2016-9386
2017-01-23 21:59:02
cve
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CVE-2016-9386
2017-01-23 21:59:02
freebsd
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xen-kernel -- x86 null segments not always treated as unusable
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2017-01-23 21:59:00
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CVE-2016-9386
2017-01-23 21:59:02
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2017-01-23 21:59:02
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2016-11-24 00:00:00
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2016-12-07 00:00:00
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2016-11-22 12:47:20
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FreeBSD : xen-kernel -- x86 null segments not always treated as unusable (50ac2e96-ba4d-11e6-ae1b-002590263bf5)
2016-12-05 00:00:00
Debian DLA-720-1 : xen security update
2016-11-25 00:00:00
Citrix XenServer Multiple Vulnerabilities (CTX218775)
2016-12-05 00:00:00
xen
xen
x86 null segments not always treated as unusable
2016-11-22 12:00:00
cvelist
cvelist
CVE-2016-9386
2017-01-23 21:00:00
debian
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[SECURITY] [DLA 720-1] xen security update
2016-11-24 11:28:03
[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
openvas
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Debian: Security Advisory (DLA-720-1)
2023-03-08 00:00:00
Debian Security Advisory DSA 3729-1 (xen - security update)
2016-12-07 00:00:00
Citrix XenServer Multiple Security Updates (CTX218775)
2016-11-29 00:00:00
fedora
fedora
[SECURITY] Fedora 23 Update: xen-4.5.5-4.fc23
2016-12-03 03:22:03
[SECURITY] Fedora 24 Update: xen-4.6.4-2.fc24
2016-12-04 05:26:00
[SECURITY] Fedora 25 Update: xen-4.7.1-3.fc25
2016-12-04 16:53:35
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
gentoo
gentoo
Xen: Multiple vulnerabilities
2016-12-31 00:00:00
mageia
mageia
Updated xen packages fix security vulnerability
2017-01-09 23:29:57

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.001

Percentile

26.7%

JSON
Related for UB:CVE-2016-9386
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