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prionPRIOn knowledge basePRION:CVE-2018-18883
HistoryNov 01, 2018 - 12:29 a.m.

Null pointer dereference

2018-11-0100:29:00
PRIOn knowledge base
www.prio-n.com
6

8.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.9 High

AI Score

Confidence

High

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.001 Low

EPSS

Percentile

18.4%

JSON

An issue was discovered in Xen 4.9.x through 4.11.x, on Intel x86 platforms, allowing x86 HVM and PVH guests to cause a host OS denial of service (NULL pointer dereference) or possibly have unspecified other impact because nested VT-x is not properly restricted.

CPENameOperatorVersion
xenge4.9.0
xenle4.11.0

Related

nessus 11
fedora 11
cve 1
ubuntucve 1
osv 1
openvas 14
xen 1
redhatcve 1
citrix 1
debiancve 1
suse 2
nessus
nessus
Xen Project Nested VT-x Instruction Guest-to-Host DoS (XSA-278)
2018-10-31 00:00:00
Fedora 29 : xen (2018-a24754252a)
2019-01-03 00:00:00
Fedora 27 : xen (2018-f20a0cead5)
2018-11-13 00:00:00
fedora
fedora
[SECURITY] Fedora 29 Update: xen-4.11.0-8.fc29
2018-11-04 05:52:52
[SECURITY] Fedora 29 Update: xen-4.11.0-10.fc29
2018-11-22 03:23:53
[SECURITY] Fedora 29 Update: xen-4.11.0-9.fc29
2018-11-14 03:14:58
cve
cve
CVE-2018-18883
2018-11-01 00:29:00
ubuntucve
ubuntucve
CVE-2018-18883
2018-11-01 00:00:00
osv
osv
CVE-2018-18883
2018-11-01 00:29:00
openvas
openvas
Fedora Update for xen FEDORA-2018-a24754252a
2019-05-07 00:00:00
SUSE: Security Advisory (SUSE-SU-2018:4070-1)
2021-04-19 00:00:00
openSUSE: Security Advisory for xen (openSUSE-SU-2018:4111-1)
2018-12-13 00:00:00
xen
xen
x86: Nested VT-x usable even when disabled
2018-10-24 21:11:00
redhatcve
redhatcve
CVE-2018-18883
2018-11-01 12:50:06
citrix
citrix
CVE-2018-18883 - Citrix XenServer Security Update
2018-10-26 04:00:00
debiancve
debiancve
CVE-2018-18883
2018-11-01 00:29:00
suse
suse
Security update for xen (important)
2018-12-13 03:17:36
Security update for xen (important)
2018-12-29 15:11:23

8.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.9 High

AI Score

Confidence

High

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.001 Low

EPSS

Percentile

18.4%

JSON
Related for PRION:CVE-2018-18883
nessus11fedora11cve1ubuntucve1osv1openvas14xen1redhatcve1citrix1debiancve1suse2