CVE-2015-3339

 

Published at: - 27-05-2015 12:59

Last modified: - 21-09-2022 08:44

Total changes: - 2

Description

Race condition in the prepare_binprm function in fs/exec.c in the Linux kernel before 3.19.6 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.

Common Vulnerability Scoring System (CVSS)

AV:L/AC:H/Au:N/C:C/I:C/A:C

 

Verification logic

 

Reference

• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8b01fc86b9f425899f8a3a8fc1c47d73c2c20543
• https://github.com/torvalds/linux/commit/8b01fc86b9f425899f8a3a8fc1c47d73c2c20543
• [oss-security] 20150420 Re: Linux: chown() was racy relative to execve() - Linux kernel-
• http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.6
• https://bugzilla.redhat.com/show_bug.cgi?id=1214030
• DSA-3237-
• http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
• http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
• SUSE-SU-2016:2074-
• FEDORA-2015-7736-
• FEDORA-2015-8518-
• SUSE-SU-2015:1491-
• SUSE-SU-2015:1489-
• SUSE-SU-2015:1488-
• SUSE-SU-2015:1487-
• openSUSE-SU-2015:1382-
• RHSA-2015:1272-
• 1032412-

 

Keywords

NVD

 

CVE-2015-3339

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures