Severity: High
Title: Ceph: Root Privilege Escalation
Date: December 23, 2023
Bugs: #878277
ID: 202312-10

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Synopsis
=======
A vulnerability has been found in Ceph which can lead to root privilege
escalation.

Background
=========
Ceph is a distributed network file system designed to provide excellent
performance, reliability, and scalability.

Affected packages
================
Package Vulnerable Unaffected
---------------- ------------ ------------
sys-cluster/ceph < 17.2.6 >= 17.2.6

Description
==========
A vulnerability has been discovered in Ceph. Please review the CVE
identifier referenced below for details.

Impact
=====
The ceph-crash.service runs the ceph-crash Python script as root. The
script is operating in the directory /var/lib/ceph/crash which is
controlled by the unprivileged ceph user (ceph:ceph mode 0750). The
script periodically scans for new crash directories and forwards the
content via `ceph crash post`.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All Ceph users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-cluster/ceph-17.2.6"

References
=========
[ 1 ] CVE-2022-3650
https://nvd.nist.gov/vuln/detail/CVE-2022-3650

Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

https://security.gentoo.org/glsa/202312-10

Concerns?
========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
[email protected] or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
======
Copyright 2023 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5