UBUNTU-CVE-2022-20422

Advisory lineage Upstream: 1 Downstream: 9
Upstream
CVE-2022-20422
Published: 11 Oct 2022, 20:15
Last modified:20 May 2026, 16:08

Vulnerability Summary

Overall Risk (default)
medium
28/100
CVSS Score
7 HIGH
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

11 Oct 2022, 20:15
Published
Vulnerability first disclosed
20 May 2026, 16:08
Last Modified
Vulnerability information updated

Description

In emulation_proc_handler of armv8_deprecated.c, there is a possible way to corrupt memory due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-237540956References: Upstream kernel

CVSS Metrics

  • v3.1•HIGH•Score: 7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • ubuntu•linux

    < 4.4.0-253.287 | < 4.15.0-197.208 | < 5.4.0-132.148 | < 5.15.0-53.59

  • ubuntu•linux-aws

    < 4.4.0-1130.136 | < 4.4.0-1168.183 | < 4.15.0-1143.155 | < 5.4.0-1089.97 | < 5.15.0-1023.27

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.11

    all

  • ubuntu•linux-aws-5.13

    all

  • ubuntu•linux-aws-5.15

    < 5.15.0-1023.27~20.04.1

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1089.97~18.04.1

  • ubuntu•linux-aws-5.8

    all

  • ubuntu•linux-aws-fips

    < 4.15.0-2082.88 | all | < 5.4.0-1089.97+fips1

  • ubuntu•linux-aws-hwe

    < 4.15.0-1143.155~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1157.172~14.04.2 | < 4.15.0-1159.174~16.04.1 | all | < 5.4.0-1095.101 | < 5.15.0-1023.29

  • ubuntu•linux-azure-4.15

    < 4.15.0-1157.172

  • ubuntu•linux-azure-5.11

    all

  • ubuntu•linux-azure-5.13

    all

  • ubuntu•linux-azure-5.15

    < 5.15.0-1023.29~20.04.1

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1095.101~18.04.1

  • ubuntu•linux-azure-5.8

    all

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fde

    < 5.15.0-1024.30.1

  • ubuntu•linux-azure-fips

    < 4.15.0-2066.72 | all | < 5.4.0-1095.101+fips1

  • ubuntu•linux-bluefield

    < 5.4.0-1050.56

  • ubuntu•linux-dell300x

    < 4.15.0-1055.60

  • ubuntu•linux-fips

    < 4.4.0-1100.107 | all | < 4.15.0-1100.111 | < 5.4.0-1065.74

  • ubuntu•linux-gcp

    < 4.15.0-1138.154~16.04.1 | all | < 5.4.0-1093.102 | < 5.15.0-1022.29

  • ubuntu•linux-gcp-4.15

    < 4.15.0-1138.154

  • ubuntu•linux-gcp-5.11

    all

  • ubuntu•linux-gcp-5.13

    all

  • ubuntu•linux-gcp-5.15

    < 5.15.0-1022.29~20.04.1

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1093.102~18.04.1

  • ubuntu•linux-gcp-5.8

    all

  • ubuntu•linux-gcp-fips

    < 4.15.0-2047.52 | all | < 5.4.0-1093.102+fips1

  • ubuntu•linux-gke

    < 5.4.0-1087.94 | < 5.15.0-1020.25

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-gke-5.15

    < 5.15.0-1020.25~20.04.1

  • ubuntu•linux-gke-5.4

    all

  • ubuntu•linux-gkeop

    < 5.4.0-1057.61 | < 5.15.0-1008.12

  • ubuntu•linux-gkeop-5.15

    < 5.15.0-1008.12~20.04.1

  • ubuntu•linux-gkeop-5.4

    all

  • ubuntu•linux-hwe

    < 4.15.0-197.208~16.04.1 | all

  • ubuntu•linux-hwe-5.11

    all

  • ubuntu•linux-hwe-5.13

    all

  • ubuntu•linux-hwe-5.15

    < 5.15.0-53.59~20.04.1

  • ubuntu•linux-hwe-5.4

    < 5.4.0-132.148~18.04.1

  • ubuntu•linux-hwe-5.8

    all

  • ubuntu•linux-hwe-edge

    all | all

  • ubuntu•linux-ibm

    < 5.4.0-1037.42 | < 5.15.0-1018.21

  • ubuntu•linux-ibm-5.4

    < 5.4.0-1037.42~18.04.1

Showing first 50 affected entries in server-rendered view.

References (13)