Bug 2182883 (CVE-2023-28642) - CVE-2023-28642 runc: AppArmor can be bypassed when `/proc` inside the container is symlinked with a specific mount configuration
Summary: CVE-2023-28642 runc: AppArmor can be bypassed when `/proc` inside the contain...
Keywords:
Status: NEW
Alias: CVE-2023-28642
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Nobody
QA Contact:
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Depends On: 2183099 2183102 2183103 2183100 2183101 2192149
Blocks: 2182885
TreeView+ depends on / blocked
 
Reported: 2023-03-29 21:10 UTC by Pedro Sampaio
Modified: 2023-07-07 08:33 UTC (History)
9 users (show)

Fixed In Version: runc 1.1.5
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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2023:1326 0 None None None 2023-05-17 22:31:49 UTC

Description Pedro Sampaio 2023-03-29 21:10:36 UTC 
runc is a CLI tool for spawning and running containers according to the OCI specification. It was found that AppArmor can be bypassed when `/proc` inside the container is symlinked with a specific mount configuration.

References:

https://github.com/opencontainers/runc/security/advisories/GHSA-g2j6-57v7-gm8c
https://github.com/opencontainers/runc/pull/3785
Comment 2 Michael Kaplan 2023-04-29 22:48:45 UTC 
Created runc tracking bugs for this issue:

Affects: fedora-all [bug 2192149]
Comment 4 errata-xmlrpc 2023-05-17 22:31:48 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.13

Via RHSA-2023:1326 https://access.redhat.com/errata/RHSA-2023:1326
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