Public Date:
1214030: CVE-2015-3339 kernel: race condition between chown() and execve()
A race condition flaw was found between the chown and execve system calls. When changing the owner of a setuid user binary to root, the race condition could momentarily make the binary setuid root. A local, unprivileged user could potentially use this flaw to escalate their privileges on the system.

Find out more about CVE-2015-3339 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 5 and 7 and MRG-2. This issue is not currently planned to be addressed in future Red Hat Enterprise Linux 5 kernel updates. Future Linux kernel updates for other releases may address this issue.

For additional information, refer to the Red Hat Enterprise Linux Life Cycle:

CVSS v2 metrics

Base Score 6.2
Base Metrics AV:L/AC:H/Au:N/C:C/I:C/A:C
Access Vector Local
Access Complexity High
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 6 (kernel) RHSA-2015:1272 2015-07-20
Red Hat Enterprise Linux for Real Time for NFV (v. 7) (kernel-rt) RHSA-2015:2411 2015-11-19
Red Hat Enterprise Linux 7 (kernel) RHSA-2015:2152 2015-11-19

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 2 realtime-kernel Will not fix
Red Hat Enterprise Linux 5 kernel Will not fix
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.
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