CVE-2020-36558

Aliases:UBUNTU-CVE-2020-36558DEBIAN-CVE-2020-36558
Advisory lineage Upstream: 0 Downstream: 24
Modified
Published: 21 Jul 2022, 03:46
Last modified:04 Aug 2024, 17:30

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
5.1 MEDIUM
v3.1 (nvd)
EPSS Score
0.31% LOW
0% probability +0.29%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

21 Jul 2022, 03:46
Published
Vulnerability first disclosed
04 Aug 2024, 17:30
Last Modified
Vulnerability information updated

Description

A race condition in the Linux kernel before 5.5.7 involving VT_RESIZEX could lead to a NULL pointer dereference and general protection fault.

CVSS Metrics

  • v4.0•MEDIUM•Score: 5.7CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  • v3.1•MEDIUM•Score: 5.1CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.31%• Percentile: 24%

Techniques & Countermeasures

  • CWE-362•Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

    The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

  • CWE-476•NULL Pointer Dereference

    The product dereferences a pointer that it expects to be valid but is NULL.

Affected Systems

  • debian•linux

    < 5.5.13-1 | < 5.5.13-1 | < 5.5.13-1 | < 5.5.13-1

  • ubuntu•linux

    all | < 4.4.0-178.208 | < 4.15.0-99.100

  • ubuntu•linux-aws

    < 4.4.0-1066.70 | < 4.4.0-1106.117 | < 4.15.0-1066.70

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.11

    all

  • ubuntu•linux-aws-5.13

    all

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.8

    all

  • ubuntu•linux-aws-fips

    < 4.15.0-2018.18 | all

  • ubuntu•linux-aws-hwe

    < 4.15.0-1066.70~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1082.92~14.04.1 | < 4.15.0-1082.92~16.04.1 | all

  • ubuntu•linux-azure-5.11

    all

  • ubuntu•linux-azure-5.13

    all

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.8

    all

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fips

    < 4.15.0-2006.7 | all

  • ubuntu•linux-bluefield

    all

  • ubuntu•linux-fips

    < 4.4.0-1033.38 | all | < 4.15.0-1029.34

  • ubuntu•linux-gcp

    < 4.15.0-1061.65 | all

  • ubuntu•linux-gcp-5.11

    all

  • ubuntu•linux-gcp-5.13

    all

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.8

    all

  • ubuntu•linux-gcp-fips

    all

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-gke-5.4

    all

  • ubuntu•linux-gkeop-5.4

    all

  • ubuntu•linux-hwe

    < 4.15.0-99.100~16.04.1 | all

  • ubuntu•linux-hwe-5.11

    all

  • ubuntu•linux-hwe-5.13

    all

  • ubuntu•linux-hwe-5.8

    all

  • ubuntu•linux-hwe-edge

    all | all

  • ubuntu•linux-intel-5.13

    all

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-kvm

    < 4.4.0-1070.77 | < 4.15.0-1059.60

  • ubuntu•linux-lts-xenial

    < 4.4.0-178.208~14.04.1

  • ubuntu•linux-oem

    all

  • ubuntu•linux-oem-5.10

    all

  • ubuntu•linux-oem-5.13

    all

  • ubuntu•linux-oem-5.6

    all

  • ubuntu•linux-oem-osp1

    < 5.0.0-1050.55

  • ubuntu•linux-oracle

    < 4.15.0-1038.42~16.04.1 | < 4.15.0-1038.42

  • ubuntu•linux-oracle-5.0

    all

  • ubuntu•linux-oracle-5.11

    all

  • ubuntu•linux-oracle-5.13

    all

  • ubuntu•linux-oracle-5.3

    all

  • ubuntu•linux-oracle-5.8

    all

  • ubuntu•linux-raspi-realtime

    all

  • ubuntu•linux-raspi2

    < 4.15.0-1061.65 | all

Showing first 50 affected entries in server-rendered view.

References (5)