Bug 2182884 (CVE-2023-25809) - CVE-2023-25809 runc: Rootless runc makes `/sys/fs/cgroup` writable
Summary: CVE-2023-25809 runc: Rootless runc makes `/sys/fs/cgroup` writable
Keywords:
Status: NEW
Alias: CVE-2023-25809
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Nobody
QA Contact:
URL:
Whiteboard:
Depends On: 2183094 2183095 2183096 2183097 2183098 2192150
Blocks: 2182885
TreeView+ depends on / blocked
 
Reported: 2023-03-29 21:14 UTC by Pedro Sampaio
Modified: 2023-11-14 15:17 UTC (History)
9 users (show)

Fixed In Version: runc 1.1.5
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in runc, where it is vulnerable to a denial of service caused by improper access control in the /sys/fs/cgroup endpoint. This flaw allows a local authenticated attacker to cause a denial of service.
Clone Of:
Environment:
Last Closed:
Embargoed:

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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2023:1326 0 None None None 2023-05-17 22:31:50 UTC
Red Hat Product Errata RHSA-2023:6380 0 None None None 2023-11-07 08:14:58 UTC
Red Hat Product Errata RHSA-2023:6938 0 None None None 2023-11-14 15:16:25 UTC
Red Hat Product Errata RHSA-2023:6939 0 None None None 2023-11-14 15:17:10 UTC

Description Pedro Sampaio 2023-03-29 21:14:17 UTC 
runc is a CLI tool for spawning and running containers according to the OCI specification. In affected versions it was found that rootless runc makes `/sys/fs/cgroup` writable in certain conditions.

References:

https://github.com/opencontainers/runc/security/advisories/GHSA-m8cg-xc2p-r3fc
https://github.com/opencontainers/runc/commit/0d62b950e60f6980b54fe3bafd9a9c608dc1df17
Comment 2 Michael Kaplan 2023-04-29 22:52:14 UTC 
Created runc tracking bugs for this issue:

Affects: fedora-all [bug 2192150]
Comment 4 errata-xmlrpc 2023-05-17 22:31:49 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
Comment 6 errata-xmlrpc 2023-11-07 08:14:56 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2023:6380 https://access.redhat.com/errata/RHSA-2023:6380
Comment 7 errata-xmlrpc 2023-11-14 15:16:24 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2023:6938 https://access.redhat.com/errata/RHSA-2023:6938
Comment 8 errata-xmlrpc 2023-11-14 15:17:09 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2023:6939 https://access.redhat.com/errata/RHSA-2023:6939
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