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CVE-2020-27673 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00075.html CVEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00025.html CVEMailing ListThird Party Advisory
https://github.com/torvalds/linux/commit/e99502f76271d6bc4e374fe368c50c67a1fd3070 CVEPatchThird Party Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e99502f76271d6bc4e374fe368c50c67a1fd3070 CVEPatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html CVEMailing ListThird Party Advisory

see all 18 references

Weakness Enumeration

CWE-IDCWE NameSource
NVD-CWE-noinfoInsufficient Information to Classify Weakness[email protected]

Affected Products

ProductVersions
linux linux kernel
>= 2.6.12, < 4.4.244
>= 4.5.0, < 4.9.244
>= 4.10.0, < 4.14.207
>= 4.15.0, < 4.19.155
>= 4.20.0, < 5.4.75

CPE

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10:rc1:*:*:*:*:*:*

Remediation

  • No remediation found in references.
debian debian linux
9.0

CPE

  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
opensuse leap
15.1
15.2

CPE

  • cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
  • cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
xen xen
<= 4.14.0

CPE

  • cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

13 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2020-27673
NVD Published Date:
Oct 22, 2020
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2020-27673 Details - Not Deferred