Linux Kernel 'Clone()' Function 'CLONE_IO' Flag Multiple Denial Of Service Vulnerabilities

Bugtraq ID:	52152
Class:	Unknown
CVE:	CVE-2012-0879
Remote:	No
Local:	Yes
Published:	Feb 23 2012 12:00AM
Updated:	Mar 19 2015 09:35AM
Credit:	Louis Rilling
Vulnerable:	Ubuntu Ubuntu Linux 10.10 powerpc Ubuntu Ubuntu Linux 10.10 i386 Ubuntu Ubuntu Linux 10.10 ARM Ubuntu Ubuntu Linux 10.10 amd64 Ubuntu Ubuntu Linux 10.04 sparc Ubuntu Ubuntu Linux 10.04 powerpc Ubuntu Ubuntu Linux 10.04 i386 Ubuntu Ubuntu Linux 10.04 ARM Ubuntu Ubuntu Linux 10.04 amd64 SuSE SUSE Linux Enterprise Server Unsupported Extras 11 SuSE SUSE Linux Enterprise Server for VMware 11 SP1 SuSE SUSE Linux Enterprise Server 11 SP2 + Linux kernel 2.6.5 SuSE SUSE Linux Enterprise Server 11 SP1 SuSE SUSE Linux Enterprise High Availability Extension 11 SP1 SuSE SUSE Linux Enterprise Desktop 11 SP2 SuSE SUSE Linux Enterprise Desktop 11 SP1 Red Hat Enterprise Linux Workstation Optional 6 Red Hat Enterprise Linux Workstation 6 Red Hat Enterprise Linux Server Optional 6 Red Hat Enterprise Linux Server 6 Red Hat Enterprise Linux HPC Node Optional 6 Red Hat Enterprise Linux HPC Node 6 Red Hat Enterprise Linux Desktop Optional 6 Red Hat Enterprise Linux Desktop 6 Oracle Enterprise Linux 6.2 Oracle Enterprise Linux 6 OpenVZ Project OpenVZ 042stab053.5 OpenVZ Project OpenVZ 042stab049.6 OpenVZ Project OpenVZ 042stab044.17 OpenVZ Project OpenVZ 042stab044.11 OpenVZ Project OpenVZ 042stab039.10 OpenVZ Project OpenVZ 042stab037.1 Linux kernel 2.6.32 .9 Linux kernel 2.6.32 Linux kernel 2.6.31 5 Linux kernel 2.6.31 13 Linux kernel 2.6.31 .2 Linux kernel 2.6.31 .11 Linux kernel 2.6.31 -rc7 Linux kernel 2.6.31 -rc6 Linux kernel 2.6.31 -rc3 Linux kernel 2.6.31 -rc1 Linux kernel 2.6.31 Linux kernel 2.6.30 .10 Linux kernel 2.6.30 .1 Linux kernel 2.6.30 -rc6 Linux kernel 2.6.30 -rc5 Linux kernel 2.6.30 -rc3 Linux kernel 2.6.30 -rc2 Linux kernel 2.6.30 -rc1 Linux kernel 2.6.30 Linux kernel 2.6.29 .4 Linux kernel 2.6.29 .1 Linux kernel 2.6.29 -git8 Linux kernel 2.6.29 -git14 Linux kernel 2.6.29 -git1 Linux kernel 2.6.29 Linux kernel 2.6.28 .9 Linux kernel 2.6.28 .8 Linux kernel 2.6.28 .6 Linux kernel 2.6.28 .5 Linux kernel 2.6.28 .3 Linux kernel 2.6.28 .2 Linux kernel 2.6.28 .1 Linux kernel 2.6.28 -rc7 Linux kernel 2.6.28 -rc5 Linux kernel 2.6.28 -rc1 Linux kernel 2.6.28 -git7 Linux kernel 2.6.28 Linux kernel 2.6.27 6 Linux kernel 2.6.27 3 Linux kernel 2.6.27 12 Linux kernel 2.6.27 .8 Linux kernel 2.6.27 .5 Linux kernel 2.6.27 .5 Linux kernel 2.6.27 .46 Linux kernel 2.6.27 .24 Linux kernel 2.6.27 .14 Linux kernel 2.6.27 .13 Linux kernel 2.6.27 .12 Linux kernel 2.6.27 -rc8-git5 Linux kernel 2.6.27 -rc8 Linux kernel 2.6.27 -rc6-git6 Linux kernel 2.6.27 -rc6 Linux kernel 2.6.27 -rc5 Linux kernel 2.6.27 -rc4 Linux kernel 2.6.27 -rc2 Linux kernel 2.6.27 -rc1 Linux kernel 2.6.27 Linux kernel 2.6.26 7 Linux kernel 2.6.26 .6 Linux kernel 2.6.26 .4 Linux kernel 2.6.26 .3 Linux kernel 2.6.26 -rc6 Linux kernel 2.6.26 Linux kernel 2.6.25 19 Linux kernel 2.6.25 .9 Linux kernel 2.6.25 .8 Linux kernel 2.6.25 .7 Linux kernel 2.6.25 .6 Linux kernel 2.6.25 .5 Linux kernel 2.6.25 .15 Linux kernel 2.6.25 .13 Linux kernel 2.6.25 .12 Linux kernel 2.6.25 .11 Linux kernel 2.6.25 .10 Linux kernel 2.6.25 Linux kernel 2.6.24 .2 Linux kernel 2.6.24 .1 Linux kernel 2.6.24 -rc5 Linux kernel 2.6.24 -rc4 Linux kernel 2.6.24 -rc3 Linux kernel 2.6.24 -git13 Linux kernel 2.6.24 Linux kernel 2.6.23 -rc2 Linux kernel 2.6.23 -rc1 Linux kernel 2.6.23 Linux kernel 2.6.23 Linux kernel 2.6.22 rc6 Linux kernel 2.6.22 .8 Linux kernel 2.6.22 .2 Linux kernel 2.6.22 .17 Linux kernel 2.6.22 .16 Linux kernel 2.6.22 .15 Linux kernel 2.6.22 .14 Linux kernel 2.6.22 .13 Linux kernel 2.6.22 .12 Linux kernel 2.6.22 .11 Linux kernel 2.6.22 .1 Linux kernel 2.6.22 Linux kernel 2.6.22 Linux kernel 2.6.21 rc7 Linux kernel 2.6.21 git5 Linux kernel 2.6.21 git4 Linux kernel 2.6.21 git3 Linux kernel 2.6.21 git2 Linux kernel 2.6.21 git1 Linux kernel 2.6.21 git 7 Linux kernel 2.6.21 git 6 Linux kernel 2.6.21 4 Linux kernel 2.6.21 .7 Linux kernel 2.6.21 .6 Linux kernel 2.6.21 .3 Linux kernel 2.6.21 .2 Linux kernel 2.6.21 .1 Linux kernel 2.6.21 -git8 Linux kernel 2.6.21 Linux kernel 2.6.20 .9 Linux kernel 2.6.20 .8 Linux kernel 2.6.20 .7 Linux kernel 2.6.20 .6 Linux kernel 2.6.20 .5 Linux kernel 2.6.20 .4 Linux kernel 2.6.20 .15 Linux kernel 2.6.20 .14 Linux kernel 2.6.20 .12 Linux kernel 2.6.20 .10 Linux kernel 2.6.20 .1 Linux kernel 2.6.20 -git5 Linux kernel 2.6.20 Linux kernel 2.6.19 .4 Linux kernel 2.6.19 .3 Linux kernel 2.6.19 .2 Linux kernel 2.6.19 .1 Linux kernel 2.6.19 -rc4 Linux kernel 2.6.19 -rc3 Linux kernel 2.6.19 -rc2 + Trustix Secure Enterprise Linux 2.0 + Trustix Secure Linux 2.2 + Trustix Secure Linux 2.1 + Trustix Secure Linux 2.0 Linux kernel 2.6.19 -rc1 Linux kernel 2.6.19 Linux kernel 2.6.18 rc7 Linux kernel 2.6.18 rc6 Linux kernel 2.6.18 rc5 Linux kernel 2.6.18 rc4 Linux kernel 2.6.18 rc3 Linux kernel 2.6.18 rc2 Linux kernel 2.6.18 rc1 Linux kernel 2.6.18 .8 Linux kernel 2.6.18 .7 Linux kernel 2.6.18 .6 Linux kernel 2.6.18 .5 Linux kernel 2.6.18 .2 Linux kernel 2.6.18 .1 Linux kernel 2.6.17 rc6 Linux kernel 2.6.17 rc4 Linux kernel 2.6.17 rc3 Linux kernel 2.6.17 rc2 Linux kernel 2.6.17 rc1 Linux kernel 2.6.17 .8 Linux kernel 2.6.17 .8 Linux kernel 2.6.17 -rc5 Linux kernel 2.6.17 Linux kernel 2.6.17 Linux kernel 2.6.16 rc6 Linux kernel 2.6.16 rc5 Linux kernel 2.6.16 rc4 Linux kernel 2.6.16 rc3 Linux kernel 2.6.16 rc2 Linux kernel 2.6.16 27 Linux kernel 2.6.16 13 Linux kernel 2.6.16 .9 Linux kernel 2.6.16 .7 Linux kernel 2.6.16 .6 Linux kernel 2.6.16 .53 Linux kernel 2.6.16 .52 Linux kernel 2.6.16 .51 Linux kernel 2.6.16 .50 Linux kernel 2.6.16 .49 Linux kernel 2.6.16 .48 Linux kernel 2.6.16 .47 Linux kernel 2.6.16 .46 Linux kernel 2.6.16 .45 Linux kernel 2.6.16 .44 Linux kernel 2.6.16 .43 Linux kernel 2.6.16 .41 Linux kernel 2.6.16 .40 Linux kernel 2.6.16 .39 Linux kernel 2.6.16 .38 Linux kernel 2.6.16 .37 Linux kernel 2.6.16 .36 Linux kernel 2.6.16 .35 Linux kernel 2.6.16 .34 Linux kernel 2.6.16 .33 Linux kernel 2.6.16 .32 Linux kernel 2.6.16 .31 Linux kernel 2.6.16 .30 Linux kernel 2.6.16 .29 Linux kernel 2.6.16 .28 Linux kernel 2.6.16 .27 Linux kernel 2.6.16 .26 Linux kernel 2.6.16 .25 Linux kernel 2.6.16 .24 Linux kernel 2.6.16 .23 Linux kernel 2.6.16 .22 Linux kernel 2.6.16 .20 Linux kernel 2.6.16 .19 Linux kernel 2.6.16 .15 Linux kernel 2.6.16 .14 Linux kernel 2.6.16 .12 Linux kernel 2.6.16 .11 Linux kernel 2.6.16 .10 Linux kernel 2.6.16 .1 Linux kernel 2.6.16 -rc1 Linux kernel 2.6.16 Linux kernel 2.6.16 Linux kernel 2.6.15 rc7 Linux kernel 2.6.15 .7 Linux kernel 2.6.15 .4 Linux kernel 2.6.15 .2 Linux kernel 2.6.15 -rc6 Linux kernel 2.6.15 -rc5 Linux kernel 2.6.15 -rc4 Linux kernel 2.6.15 -rc3 Linux kernel 2.6.15 -rc2 Linux kernel 2.6.15 -rc1 Linux kernel 2.6.15 Linux kernel 2.6.15 Linux kernel 2.6.14 .7 Linux kernel 2.6.14 .6 Linux kernel 2.6.14 .3 Linux kernel 2.6.14 .2 Linux kernel 2.6.14 .1 Linux kernel 2.6.14 -rc5 Linux kernel 2.6.14 -rc4 Linux kernel 2.6.14 -rc3 Linux kernel 2.6.14 -rc2 Linux kernel 2.6.14 -rc1 Linux kernel 2.6.14 Linux kernel 2.6.14 Linux kernel 2.6.13 rc5 Linux kernel 2.6.13 rc3 Linux kernel 2.6.13 rc2 Linux kernel 2.6.13 .5 Linux kernel 2.6.13 .4 Linux kernel 2.6.13 .3 Linux kernel 2.6.13 .2 Linux kernel 2.6.13 .1 Linux kernel 2.6.13 -rc7 Linux kernel 2.6.13 -rc6 Linux kernel 2.6.13 -rc4 Linux kernel 2.6.13 -rc1 Linux kernel 2.6.13 Linux kernel 2.6.13 Linux kernel 2.6.12 rc6 Linux kernel 2.6.12 rc3 Linux kernel 2.6.12 rc2 Linux kernel 2.6.12 .6 Linux kernel 2.6.12 .5 Linux kernel 2.6.12 .4 Linux kernel 2.6.12 .3 Linux kernel 2.6.12 .22 Linux kernel 2.6.12 .2 Linux kernel 2.6.12 .12 Linux kernel 2.6.12 .1 Linux kernel 2.6.12 -rc5 Linux kernel 2.6.12 -rc4 Linux kernel 2.6.12 -rc1 Linux kernel 2.6.12 Linux kernel 2.6.12 Linux kernel 2.6.11 rc5 Linux kernel 2.6.11 rc1 Linux kernel 2.6.11 .9 Linux kernel 2.6.11 .8 Linux kernel 2.6.11 .7 Linux kernel 2.6.11 .6 Linux kernel 2.6.11 .5 Linux kernel 2.6.11 .4 Linux kernel 2.6.11 .3 Linux kernel 2.6.11 .2 Linux kernel 2.6.11 .12 Linux kernel 2.6.11 .11 Linux kernel 2.6.11 .10 Linux kernel 2.6.11 .1 Linux kernel 2.6.11 -rc4 Linux kernel 2.6.11 -rc3 Linux kernel 2.6.11 -rc2 Linux kernel 2.6.11 Linux kernel 2.6.11 Linux kernel 2.6.10 rc3 Linux kernel 2.6.10 rc2 Linux kernel 2.6.10 rc1 Linux kernel 2.6.10 Linux kernel 2.6.10 Linux kernel 2.6.3 rc4 Linux kernel 2.6.3 rc3 Linux kernel 2.6.3 rc2 Linux kernel 2.6.3 rc1 Linux kernel 2.6.3 Linux kernel 2.6.3 Linux kernel 2.6.2 rc3 Linux kernel 2.6.2 rc2 Linux kernel 2.6.2 rc1 Linux kernel 2.6.2 Linux kernel 2.6.2 Linux kernel 2.6.1 rc3 Linux kernel 2.6.1 0 Linux kernel 2.6.1 -rc2 Linux kernel 2.6.1 -rc1 Linux kernel 2.6.1 Linux kernel 2.6 .10 Linux kernel 2.6.32.8 Linux kernel 2.6.32.7 Linux kernel 2.6.32.6 Linux kernel 2.6.32.5 Linux kernel 2.6.32.4 Linux kernel 2.6.32.3 Linux kernel 2.6.32.28 Linux kernel 2.6.32.22 Linux kernel 2.6.32.2 Linux kernel 2.6.32.18 Linux kernel 2.6.32.17 Linux kernel 2.6.32.16 Linux kernel 2.6.32.15 Linux kernel 2.6.32.14 Linux kernel 2.6.32.13 Linux kernel 2.6.32.12 Linux kernel 2.6.32.11 Linux kernel 2.6.32.10 Linux kernel 2.6.32.1 Linux kernel 2.6.32-rc8 Linux kernel 2.6.32-rc7 Linux kernel 2.6.32-rc5 Linux kernel 2.6.32-rc4 Linux kernel 2.6.32-rc3 Linux kernel 2.6.32-rc2 Linux kernel 2.6.32-rc1 Linux kernel 2.6.31.6 Linux kernel 2.6.31.4 Linux kernel 2.6.31.1 Linux kernel 2.6.31-rc9 Linux kernel 2.6.31-rc8 Linux kernel 2.6.31-rc5-git3 Linux kernel 2.6.31-rc4 Linux kernel 2.6.31-rc2 Linux kernel 2.6.31-git11 + Trustix Secure Enterprise Linux 2.0 + Trustix Secure Linux 2.2 + Trustix Secure Linux 2.1 + Trustix Secure Linux 2.0 Linux kernel 2.6.30.5 Linux kernel 2.6.30.4 Linux kernel 2.6.30.3 Linux kernel 2.6.29-rc2-git1 Linux kernel 2.6.29-rc2 Linux kernel 2.6.29-rc1 Linux kernel 2.6.28.4 Linux kernel 2.6.28.10 Linux kernel 2.6.28-rc7 Linux kernel 2.6.28-rc6 Linux kernel 2.6.28-rc4 Linux kernel 2.6.27.54 Linux kernel 2.6.27.51 Linux kernel 2.6.27.49 Linux kernel 2.6.27.26 Linux kernel 2.6.27-git3 Linux kernel 2.6.26.1 Linux kernel 2.6.26-rc5-git1 Linux kernel 2.6.25.4 Linux kernel 2.6.25.3 Linux kernel 2.6.25.2 Linux kernel 2.6.25.1 Linux kernel 2.6.25-rc1 Linux kernel 2.6.24.6 Linux kernel 2.6.24.4 Linux kernel 2.6.24.3 Linux kernel 2.6.24-rc2 Linux kernel 2.6.24-rc1 Linux kernel 2.6.24 Rc3 Linux kernel 2.6.24 Rc2 Linux kernel 2.6.23.14 Linux kernel 2.6.23.10 Linux kernel 2.6.23.1 Linux kernel 2.6.23.1 Linux kernel 2.6.23.09 Linux kernel 2.6.23 Rc2 Linux kernel 2.6.22-rc7 Linux kernel 2.6.22-rc1 Linux kernel 2.6.21-RC6 Linux kernel 2.6.21-RC5 Linux kernel 2.6.21-RC4 Linux kernel 2.6.21-RC3 Linux kernel 2.6.20.3 Linux kernel 2.6.20.2 Linux kernel 2.6.20.13 Linux kernel 2.6.20.11 Linux kernel 2.6.20-rc2 Linux kernel 2.6.20-2 Linux kernel 2.6.19 -rc6 Linux kernel 2.6.18.1 Linux kernel 2.6.18-8.1.8.el5 Linux kernel 2.6.18-53 Linux kernel 2.6.18 Linux kernel 2.6.16.9 Linux kernel 2.6.16.7 Linux kernel 2.6.16.19 Linux kernel 2.6.16.13 Linux kernel 2.6.16.12 Linux kernel 2.6.16.11 Linux kernel 2.6.15.4 Linux kernel 2.6.15.11 Linux kernel 2.6.15-27.48 Linux kernel 2.6.14.3 Linux kernel 2.6.14.2 Linux kernel 2.6.14.1 Linux kernel 2.6.13.4 Linux kernel 2.6.13.3 Linux kernel 2.6.13.2 Linux kernel 2.6.13.1 Linux kernel 2.6.12.6 Linux kernel 2.6.12.5 Linux kernel 2.6.12.4 Linux kernel 2.6.12.3 Linux kernel 2.6.12.2 Linux kernel 2.6.12.1 Linux kernel 2.6.11.8 Linux kernel 2.6.11.7 Linux kernel 2.6.11.6 Linux kernel 2.6.11.5 Linux kernel 2.6.11.4 Linux kernel 2.6.11.12 Linux kernel 2.6.11.11 Linux kernel 2.6.0 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 Avaya Aura Experience Portal 6.0
Not Vulnerable:	OpenVZ Project OpenVZ 042stab055.10

Linux Kernel 'Clone()' Function 'CLONE_IO' Flag Multiple Denial Of Service Vulnerabilities

The Linux kernel is prone to multiple denial-of-service vulnerabilities that affect the 'clone()' system call.

An attacker can exploit these issues to cause a denial-of-service condition.

Linux Kernel 'Clone()' Function 'CLONE_IO' Flag Multiple Denial Of Service Vulnerabilities

Attackers can use readily available commands to exploit these issues.

Linux Kernel 'Clone()' Function 'CLONE_IO' Flag Multiple Denial Of Service Vulnerabilities

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

Linux Kernel 'Clone()' Function 'CLONE_IO' Flag Multiple Denial Of Service Vulnerabilities

References:

• [RFC] block: io_context refcount fixes (Louis Rilling)
  
• Bug 796829 - kernel: block: CLONE_IO io_context refcounting issues (Red Hat)
  
• CVE request -- kernel: block: CLONE_IO io_context refcounting issues (Petr Matousek)
  
• Download/kernel/rhel6/042stab055.10 (OpenVZ Project)
  
• Linux Homepage (Linux)
  
• ASA-2012-188 kernel security, bug fix, and enhancement update (RHSA-2012-0481) (Avaya)