CVE-2020-27673

Aliases:UBUNTU-CVE-2020-27673DEBIAN-CVE-2020-27673
Advisory lineage Upstream: 0 Downstream: 29
Modified
Published: 22 Oct 2020, 20:33
Last modified:04 Aug 2024, 16:18

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.41% LOW
0% probability +0.35%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

22 Oct 2020, 20:33
Published
Vulnerability first disclosed
04 Aug 2024, 16:18
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • v2.0•MEDIUM•Score: 4.9AV:L/AC:L/Au:N/C:N/I:N/A:C

EPSS Trends

Current EPSS score: 0.41%• Percentile: 35%

Affected Systems

  • debian•linux

    < 5.9.6-1 | < 5.9.6-1 | < 5.9.6-1 | < 5.9.6-1

  • ubuntu•linux

    all | < 4.4.0-198.230 | < 4.15.0-129.132 | < 5.4.0-59.65

  • ubuntu•linux-aws

    < 4.4.0-1083.87 | < 4.4.0-1119.133 | < 4.15.0-1091.96 | < 5.4.0-1034.35

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1034.35~18.04.1

  • ubuntu•linux-aws-fips

    < 4.15.0-2034.35 | all | < 5.4.0-1069.73+fips2

  • ubuntu•linux-aws-hwe

    < 4.15.0-1091.96~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1103.114~14.04.1 | < 4.15.0-1103.114~16.04.1 | all | < 5.4.0-1035.36

  • ubuntu•linux-azure-4.15

    < 4.15.0-1103.114

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1035.36~18.04.1

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fde-5.15

    < 5.15.0-1114.123~20.04.1

  • ubuntu•linux-azure-fips

    < 4.15.0-2016.18 | all | < 5.4.0-1073.76+fips1

  • ubuntu•linux-bluefield

    all

  • ubuntu•linux-dell300x

    < 4.15.0-1010.14

  • ubuntu•linux-fips

    < 4.4.0-1052.58 | all | < 4.15.0-1049.56

  • ubuntu•linux-gcp

    < 4.15.0-1091.104~16.04.1 | all | < 5.4.0-1033.35

  • ubuntu•linux-gcp-4.15

    < 4.15.0-1091.104

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1033.35~18.04.1

  • ubuntu•linux-gcp-edge

    all

  • ubuntu•linux-gcp-fips

    all | < 5.4.0-1067.71~20.04.1

  • ubuntu•linux-gke-4.15

    < 4.15.0-1077.82

  • ubuntu•linux-gke-5.4

    < 5.4.0-1033.35~18.04.1

  • ubuntu•linux-gkeop-5.4

    < 5.4.0-1008.9~18.04.1

  • ubuntu•linux-hwe

    < 4.15.0-129.132~16.04.1 | all

  • ubuntu•linux-hwe-5.4

    < 5.4.0-59.65~18.04.1

  • ubuntu•linux-hwe-5.8

    < 5.8.0-44.50~20.04.1

  • ubuntu•linux-hwe-edge

    all | all

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-kvm

    < 4.4.0-1085.94 | < 4.15.0-1082.84 | < 5.4.0-1031.32

  • ubuntu•linux-lts-xenial

    < 4.4.0-198.230~14.04.1

  • ubuntu•linux-oem

    all

  • ubuntu•linux-oem-5.6

    all

  • ubuntu•linux-oracle

    < 4.15.0-1062.68~16.04.1 | < 4.15.0-1062.68 | < 5.4.0-1034.36

  • ubuntu•linux-oracle-5.0

    all

  • ubuntu•linux-oracle-5.3

    all

  • ubuntu•linux-oracle-5.4

    < 5.4.0-1034.36~18.04.1

  • ubuntu•linux-raspi

    < 5.4.0-1026.29

  • ubuntu•linux-raspi-5.4

    < 5.4.0-1026.29~18.04.1

  • ubuntu•linux-raspi-realtime

    all

  • ubuntu•linux-raspi2

    < 4.4.0-1143.153 | < 4.15.0-1077.82 | all

  • ubuntu•linux-realtime

    all

  • ubuntu•linux-riscv

    all

  • ubuntu•linux-riscv-5.8

    < 5.8.0-17.19~20.04.1

  • ubuntu•linux-snapdragon

    < 4.4.0-1147.157 | < 4.15.0-1094.103

  • debian•debian_linux

    9.0

  • 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 | ≥ 5.5.0, < 5.9.5 | 5.10:rc1

Showing first 50 affected entries in server-rendered view.

References (13)