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ubuntucveUbuntu.comUB:CVE-2020-27670
HistoryOct 22, 2020 - 12:00 a.m.

CVE-2020-27670

2020-10-2200:00:00
ubuntu.com
ubuntu.com
16
xen
x86
data corruption
data leak
privileges
amd iommu
hypervisor

CVSS2

6.9

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

CVSS3

7.8

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

EPSS

0

Percentile

14.2%

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.

Notes

Author Note
mdeslaur hypervisor packages are in universe. For issues in the hypervisor, add appropriate tags to each section, ex: Tags_xen: universe-binary
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchxen< anyUNKNOWN
ubuntu20.04noarchxen< anyUNKNOWN
ubuntu16.04noarchxen< anyUNKNOWN

Related

cve 1
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veracode 1
redhatcve 1
prion 1
xen 1
cvelist 1
nessus 19
openvas 14
suse 4
fedora 1
debian 1
citrix 1
gentoo 1
cve
cve
CVE-2020-27670
2020-10-22 21:15:13
debiancve
debiancve
CVE-2020-27670
2020-10-22 21:15:13
nvd
nvd
CVE-2020-27670
2020-10-22 21:15:13
osv
osv
CVE-2020-27670
2020-10-22 21:15:13
xen - security update
2020-12-04 00:00:00
xen-4.15.1_01-1.2 on GA media
2024-06-15 00:00:00
veracode
veracode
Privilege Escalation
2021-01-21 16:35:10
redhatcve
redhatcve
CVE-2020-27670
2020-10-23 19:05:02
prion
prion
Design/Logic Flaw
2020-10-22 21:15:00
xen
xen
unsafe AMD IOMMU page table updates
2020-10-20 11:49:00
cvelist
cvelist
CVE-2020-27670
2020-10-22 20:34:22
nessus
nessus
Xen unsafe AMD IOMMU page table updates (XSA-347)
2021-05-06 00:00:00
SUSE SLED15 / SLES15 Security Update : xen (SUSE-SU-2020:3051-1)
2020-12-09 00:00:00
SUSE SLES12 Security Update : xen (SUSE-SU-2020:3050-1)
2020-12-09 00:00:00
openvas
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Fedora: Security Advisory for xen (FEDORA-2020-6dd36a716c)
2020-11-22 00:00:00
SUSE: Security Advisory (SUSE-SU-2020:3049-1)
2021-06-09 00:00:00
SUSE: Security Advisory (SUSE-SU-2020:3088-1)
2021-04-19 00:00:00
suse
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Security update for xen (important)
2020-11-06 00:00:00
Security update for xen (important)
2020-10-31 00:00:00
Security update for xen (important)
2020-12-07 00:00:00
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fedora
[SECURITY] Fedora 31 Update: xen-4.12.3-8.fc31
2020-11-20 01:29:24
debian
debian
[SECURITY] [DSA 4804-1] xen security update
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

CVSS2

6.9

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

CVSS3

7.8

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

EPSS

0

Percentile

14.2%

JSON
Related for UB:CVE-2020-27670
cve1debiancve1nvd1osv3veracode1redhatcve1prion1xen1cvelist1nessus19openvas14suse4fedora1debian1citrix1gentoo1