UBUNTU-CVE-2022-20421

Advisory lineage Upstream: 1 Downstream: 8
Upstream
CVE-2022-20421
Published: 11 Oct 2022, 20:15
Last modified:03 Jun 2026, 13:35

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 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
03 Jun 2026, 13:35
Last Modified
Vulnerability information updated

Description

In binder_inc_ref_for_node of binder.c, there is a possible way to corrupt memory due to a use after free. 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-239630375References: Upstream kernel

CVSS Metrics

  • v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • ubuntu•linux

    < 4.15.0-201.212 | < 5.4.0-136.153 | < 5.15.0-57.63

  • ubuntu•linux-aws

    < 4.15.0-1147.159 | < 5.4.0-1093.101 | < 5.15.0-1027.31

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.11

    all

  • ubuntu•linux-aws-5.13

    all

  • ubuntu•linux-aws-5.15

    < 5.15.0-1027.31~20.04.1

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1093.102~18.04.2

  • ubuntu•linux-aws-5.8

    all

  • ubuntu•linux-aws-fips

    < 4.15.0-2087.93 | all | < 5.4.0-1093.101+fips1

  • ubuntu•linux-aws-hwe

    < 4.15.0-1147.159~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1158.173~14.04.1 | < 4.15.0-1159.174~16.04.1 | all | < 5.4.0-1100.106 | < 5.15.0-1030.37

  • ubuntu•linux-azure-4.15

    < 4.15.0-1158.173

  • ubuntu•linux-azure-5.11

    all

  • ubuntu•linux-azure-5.13

    all

  • ubuntu•linux-azure-5.15

    < 5.15.0-1030.37~20.04.1

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1100.106~18.04.1

  • ubuntu•linux-azure-5.8

    all

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fde

    < 5.15.0-1030.37.1

  • ubuntu•linux-azure-fips

    < 4.15.0-2067.73 | all | < 5.4.0-1100.106+fips1

  • ubuntu•linux-bluefield

    < 5.4.0-1054.60 | all

  • ubuntu•linux-dell300x

    < 4.15.0-1058.63

  • ubuntu•linux-fips

    < 4.15.0-1104.115 | all | < 5.4.0-1069.78

  • ubuntu•linux-gcp

    < 4.15.0-1142.158~16.04.1 | all | < 5.4.0-1097.106 | < 5.15.0-1026.33

  • ubuntu•linux-gcp-4.15

    < 4.15.0-1142.158

  • ubuntu•linux-gcp-5.11

    all

  • ubuntu•linux-gcp-5.13

    all

  • ubuntu•linux-gcp-5.15

    < 5.15.0-1027.34~20.04.1

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1097.106~18.04.1

  • ubuntu•linux-gcp-5.8

    all

  • ubuntu•linux-gcp-fips

    < 4.15.0-2052.57 | all | < 5.4.0-1097.106+fips1

  • ubuntu•linux-gke

    < 5.4.0-1091.98 | < 5.15.0-1024.29

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-gke-5.15

    < 5.15.0-1027.32~20.04.1

  • ubuntu•linux-gke-5.4

    all

  • ubuntu•linux-gkeop

    < 5.4.0-1061.65 | < 5.15.0-1012.16

  • ubuntu•linux-gkeop-5.15

    < 5.15.0-1012.16~20.04.1

  • ubuntu•linux-gkeop-5.4

    all

  • ubuntu•linux-hwe

    < 4.15.0-201.212~16.04.1 | all

  • ubuntu•linux-hwe-5.11

    all

  • ubuntu•linux-hwe-5.13

    all

  • ubuntu•linux-hwe-5.15

    < 5.15.0-57.63~20.04.1

  • ubuntu•linux-hwe-5.4

    < 5.4.0-136.153~18.04.1

  • ubuntu•linux-hwe-5.8

    all

  • ubuntu•linux-hwe-edge

    all | all

  • ubuntu•linux-ibm

    < 5.4.0-1041.46 | < 5.15.0-1022.25

  • ubuntu•linux-ibm-5.4

    < 5.4.0-1041.46~18.04.1

Showing first 50 affected entries in server-rendered view.

References (16)