PT-2015-6161 · Linux+5 · Linux Kernel+5

Jann Horn

·

Published

2015-04-21

·

Updated

2016-12-31

·

CVE-2015-3339

CVSS v2.0

6.2

Medium

VectorAV:L/AC:H/Au:N/C:C/I:C/A:C
Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 3.19.6
Description A race condition in the prepare binprm function in fs/exec.c allows local users to gain privileges by executing a setuid program at a time instant when a chown to root is in progress, and the ownership is changed but the setuid bit is not yet stripped.
Recommendations For Linux kernel versions prior to 3.19.6, update to version 3.19.6 or later to resolve the issue.

Exploit

Fix

Race Condition

Found an issue in the description? Have something to add? Feel free to write us 👾
dbugs@ptsecurity.com

Weakness Enumeration

CWE-362

Related Identifiers

ALT-PU-2015-1425
ALT-PU-2015-1849
CESA-2015_1272
CESA-2015_2152
CVE-2015-3339
DLA-246-1
DSA-3237-1
OPENSUSE-SU-2015_1382-1
OPENSUSE-SU-2016_0301-1
RHSA-2015:1272
RHSA-2015:2152
RHSA-2015:2411
RHSA-2015_1272
RHSA-2015_2152
RHSA-2015_2411
SUSE-RU-2015:0621-1
SUSE-SU-2015:0581-1
SUSE-SU-2015:0736-1
SUSE-SU-2015:1071-1
SUSE-SU-2015:1174-1
SUSE-SU-2015:1376-1
SUSE-SU-2015:1487-1
SUSE-SU-2015:1488-1
SUSE-SU-2015:1489-1
SUSE-SU-2015:1491-1
SUSE-SU-2016:2074-1
USN-2583-1
USN-2584-1
USN-2596-1
USN-2597-1
USN-2598-1
USN-2598-2
USN-2599-1
USN-2599-2
USN-2600-1
USN-2601-1
USN-2612-1

Affected Products

Alt Linux
Centos
Linux Kernel
Red Hat
Suse
Ubuntu