Incorrect Default Permissions Affecting cri-o package, versions <0:1.23.1-9.rhaos4.10.gitbdffb9a.el8


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.51% (71st percentile)

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  • Snyk IDSNYK-RHEL8-CRIO-18677908
  • published12 Aug 2026
  • disclosed4 Nov 2021

Introduced: 4 Nov 2021

CVE-2021-21693  (opens in a new tab)
CWE-276  (opens in a new tab)

How to fix?

Upgrade RHEL:8 cri-o to version 0:1.23.1-9.rhaos4.10.gitbdffb9a.el8 or higher.
This issue was patched in RHSA-2022:0055.

NVD Description

Note: Versions mentioned in the description apply only to the upstream cri-o package and not the cri-o package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

When creating temporary files, agent-to-controller access to create those files is only checked after they've been created in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.

CVSS Base Scores

version 3.1