CVE-2022-21505

Aliases:UBUNTU-CVE-2022-21505DEBIAN-CVE-2022-21505
Advisory lineage Upstream: 0 Downstream: 15
Analyzed
Published: 24 Dec 2024, 18:48
Last modified:27 Dec 2024, 16:52

Vulnerability Summary

Overall Risk (default)
medium
27/100
CVSS Score
6.7 MEDIUM
v3.1 (cve.org)
EPSS Score
0.2% LOW
0% probability +0.16%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

24 Dec 2024, 18:48
Published
Vulnerability first disclosed
27 Dec 2024, 16:52
Last Modified
Vulnerability information updated

Description

In the linux kernel, if IMA appraisal is used with the "ima_appraise=log" boot param, lockdown can be defeated with kexec on any machine when Secure Boot is disabled or unavailable. IMA prevents setting "ima_appraise=log" from the boot param when Secure Boot is enabled, but this does not cover cases where lockdown is used without Secure Boot. CVSS 3.1 Base Score 6.7 (Confidentiality, Integrity, Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).

CVSS Metrics

  • v3.1•MEDIUM•Score: 6.7CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Trends

Current EPSS score: 0.20%• Percentile: 10%

Techniques & Countermeasures

  • CWE-346•Origin Validation Error

    The product does not properly verify that the source of data or communication is valid.

Affected Systems

  • debian•linux

    < 5.10.136-1 | < 5.18.16-1 | < 5.18.16-1 | < 5.18.16-1

  • ubuntu•linux

    < 5.4.0-128.144 | < 5.15.0-50.56

  • ubuntu•linux-aws

    < 5.4.0-1086.93 | < 5.15.0-1021.25

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.11

    all

  • ubuntu•linux-aws-5.13

    all

  • ubuntu•linux-aws-5.15

    < 5.15.0-1021.25~20.04.1

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1086.93~18.04.1

  • ubuntu•linux-aws-5.8

    all

  • ubuntu•linux-aws-fips

    < 5.4.0-1086.93+fips1 | all

  • ubuntu•linux-azure

    all | < 5.4.0-1094.100 | < 5.15.0-1021.26

  • ubuntu•linux-azure-5.11

    all

  • ubuntu•linux-azure-5.13

    all

  • ubuntu•linux-azure-5.15

    < 5.15.0-1021.26~20.04.1

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1094.100~18.04.1

  • 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

    < 5.4.0-1094.100+fips1 | all

  • ubuntu•linux-bluefield

    all | < 5.4.0-1047.52

  • ubuntu•linux-fips

    < 5.4.0-1062.70 | all

  • ubuntu•linux-gcp

    all | < 5.4.0-1090.98 | < 5.15.0-1019.25

  • ubuntu•linux-gcp-5.11

    all

  • ubuntu•linux-gcp-5.13

    all

  • ubuntu•linux-gcp-5.15

    < 5.15.0-1021.28~20.04.1

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1092.101~18.04.1

  • ubuntu•linux-gcp-5.8

    all

  • ubuntu•linux-gcp-fips

    < 5.4.0-1092.101+fips1 | all

  • ubuntu•linux-gke

    < 5.4.0-1084.90 | < 5.15.0-1017.20

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-gke-5.15

    < 5.15.0-1019.23~20.04.1

  • ubuntu•linux-gke-5.4

    all

  • ubuntu•linux-gkeop

    < 5.4.0-1054.57 | < 5.15.0-1004.6

  • ubuntu•linux-gkeop-5.15

    < 5.15.0-1005.7~20.04.1

  • ubuntu•linux-gkeop-5.4

    all

  • ubuntu•linux-hwe

    all

  • ubuntu•linux-hwe-5.11

    all

  • ubuntu•linux-hwe-5.13

    all

  • ubuntu•linux-hwe-5.15

    < 5.15.0-50.56~20.04.1

  • ubuntu•linux-hwe-5.4

    < 5.4.0-128.144~18.04.1

  • ubuntu•linux-hwe-5.8

    all

  • ubuntu•linux-hwe-edge

    all

  • ubuntu•linux-ibm

    < 5.4.0-1034.38 | < 5.15.0-1015.17

  • ubuntu•linux-ibm-5.4

    < 5.4.0-1034.38~18.04.1

  • ubuntu•linux-intel-5.13

    all

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-intel-iotg

    < 5.15.0-1017.22

Showing first 50 affected entries in server-rendered view.

References (7)