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cve[email protected]CVE-2020-27670
HistoryOct 22, 2020 - 9:15 p.m.

CVE-2020-27670

2020-10-2221:15:13
CWE-345
[email protected]
web.nvd.nist.gov
135
xen
cve-2020-27670
security
data corruption
denial of service
privilege escalation

6.9 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

7.5 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

14.3%

JSON

An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a denial of service (data corruption), cause a data leak, or possibly gain privileges because an AMD IOMMU page-table entry can be half-updated.

Affected configurations

NVD
Node
xenxenRange≤4.14.0x86
Node
opensuseleapMatch15.1
OR
opensuseleapMatch15.2
Node
fedoraprojectfedoraMatch31
Node
debiandebian_linuxMatch10.0
CPENameOperatorVersion
xen:xenxenle4.14.0

Related

redhatcve 1
veracode 1
prion 1
cvelist 1
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ubuntucve 1
nessus 19
osv 2
nvd 1
debiancve 1
openvas 14
suse 4
fedora 1
debian 1
citrix 1
gentoo 1
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unsafe AMD IOMMU page table updates
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SUSE SLES12 Security Update : xen (SUSE-SU-2020:3050-1)
2020-12-09 00:00:00
osv
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xen - security update
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openSUSE: Security Advisory for xen (openSUSE-SU-2020:1783-1)
2020-11-03 00:00:00
SUSE: Security Advisory (SUSE-SU-2020:3049-1)
2021-06-09 00:00:00
Fedora: Security Advisory for xen (FEDORA-2020-6dd36a716c)
2020-11-22 00:00:00
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2020-11-06 00:00:00
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2020-11-20 01:29:24
debian
debian
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2020-12-04 18:15:26
citrix
citrix
Citrix Hypervisor Security Update
2020-10-27 04:00:00
gentoo
gentoo
Xen: Multiple vulnerabilities
2020-11-11 00:00:00

6.9 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

7.5 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

14.3%

JSON
Related for CVE-2020-27670
redhatcve1veracode1prion1cvelist1xen1ubuntucve1nessus19osv2nvd1debiancve1openvas14suse4fedora1debian1citrix1gentoo1