The clone system-call implementation in the Linux kernel before 3.8.3 does not properly handle a combination of the CLONE_NEWUSER and CLONE_FS flags, which allows local users to gain privileges by calling chroot and leveraging the sharing of the / directory between a parent process and a child process.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2013-04-05T21:00:00Z

Updated: 2024-08-06T15:20:35.203Z

Reserved: 2013-02-19T00:00:00Z

Link: CVE-2013-1858

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2013-04-05T21:55:00.917

Modified: 2024-11-21T01:50:32.123

Link: CVE-2013-1858

cve-icon Redhat

Severity : Important

Publid Date: 2013-03-13T00:00:00Z

Links: CVE-2013-1858 - Bugzilla