Linux Kernel 'SCM_CREDENTIALS' Local Security Bypass Vulnerability

Bugtraq ID:	59538
Class:	Design Error
CVE:	CVE-2013-1979
Remote:	No
Local:	Yes
Published:	Apr 13 2013 12:00AM
Updated:	Apr 16 2015 05:45PM
Credit:	Andrew Lutomirski
Vulnerable:	Ubuntu Ubuntu Linux 12.04 LTS i386 Ubuntu Ubuntu Linux 12.04 LTS amd64 SuSE SUSE Linux Enterprise Server Unsupported Extras 11 SuSE SUSE Linux Enterprise Server for VMware 11 SP2 + Linux kernel 2.6.5 SuSE SUSE Linux Enterprise Server 11 SP2 + Linux kernel 2.6.5 SuSE SUSE Linux Enterprise High Availability Extension 11 SP2 SuSE SUSE Linux Enterprise Desktop 11 SP2 + Linux kernel 2.6.5 Red Hat MRG Realtime for RHEL 6 Server 2 Debian Linux 6.0 sparc Debian Linux 6.0 s/390 Debian Linux 6.0 powerpc Debian Linux 6.0 mips Debian Linux 6.0 ia-64 Debian Linux 6.0 ia-32 Debian Linux 6.0 arm Debian Linux 6.0 amd64
Not Vulnerable:

Linux Kernel 'SCM_CREDENTIALS' Local Security Bypass Vulnerability

The Linux kernel is prone to a security-bypass vulnerability.

Attackers can exploit this issue to bypass certain security restrictions, gain escalated privileges, and perform unauthorized actions.

Note: This issue was previously covered in BID 59052 (Linux Kernel Multiple Local Security Bypass Vulnerabilities), but has been given its own record for better documentation.

Linux Kernel 'SCM_CREDENTIALS' Local Security Bypass Vulnerability

Currently, we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Linux Kernel 'SCM_CREDENTIALS' Local Security Bypass Vulnerability

Solution:
Updates are available. Please see the references or vendor advisory for more information.

Linux Kernel 'SCM_CREDENTIALS' Local Security Bypass Vulnerability

References:

• Linux kernel Homepage (kernel.org)