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CVE-2020-27673

nvd nist
Published: Oct 22, 2020Modified: Jun 17, 2026

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5.5
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Exploitability: 1.8 / Impact: 3.6
Source: NVD

Description

An issue was discovered in the Linux kernel through 5.9.1, as used with Xen through 4.14.x. Guest OS users can cause a denial of service (host OS hang) via a high rate of events to dom0, aka CID-e99502f76271.

Affected (11)

Products: Linux: Linux Kernel · Debian: Debian Linux · Opensuse: Leap · +1 more
Show all products
Linux: Linux Kernel · Debian: Debian Linux · Opensuse: Leap · Xen: Xen
Linux
1 product
Linux Kernel
Debian
1 product
Debian Linux
Opensuse
1 product
Leap
Xen
1 product
Xen
Configuration A
7 vulnerable
Vulnerable SoftwareAffected Versions
Linux
Linux Kernel
2.6.12 ≤ version < 4.4.244
Linux Kernel
4.10.0 ≤ version < 4.14.207
Linux Kernel
4.15.0 ≤ version < 4.19.155
Linux Kernel
4.20.0 ≤ version < 5.4.75
Linux Kernel
4.5.0 ≤ version < 4.9.244
Linux Kernel
5.5.0 ≤ version < 5.9.5
Linux Kernel
Version 5.10 rc1
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Debian Linux
Version 9.0
Configuration C
2 vulnerable
Vulnerable SoftwareAffected Versions
Opensuse
Leap
Version 15.1
Leap
Version 15.2
Configuration D
1 vulnerable
Vulnerable SoftwareAffected Versions
Xen
version ≤ 4.14.0

References (18)

Source: cve@mitre.org
Mailing ListThird Party Advisory
Source: cve@mitre.org
Mailing ListThird Party Advisory
Source: cve@mitre.org
Mailing ListThird Party Advisory
Source: cve@mitre.org
PatchVendor Advisory
Source: cve@mitre.org
PatchThird Party Advisory
Source: cve@mitre.org
Mailing ListThird Party Advisory
Source: cve@mitre.org
Mailing ListThird Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory

Timeline

No history available yet.