Linux Kernel Btrfs Cloned File Security Bypass Vulnerability

BID:40241

Info

Linux Kernel Btrfs Cloned File Security Bypass Vulnerability

Bugtraq ID: 40241
Class: Design Error
CVE: CVE-2010-1636
Remote: Yes
Local: Yes
Published: May 18 2010 12:00AM
Updated: Apr 13 2015 09:32PM
Credit: Dan Rosenberg
Vulnerable: Ubuntu Ubuntu Linux 9.10 sparc
Ubuntu Ubuntu Linux 9.10 powerpc
Ubuntu Ubuntu Linux 9.10 lpia
Ubuntu Ubuntu Linux 9.10 i386
Ubuntu Ubuntu Linux 9.10 amd64
Ubuntu Ubuntu Linux 9.04 sparc
Ubuntu Ubuntu Linux 9.04 powerpc
Ubuntu Ubuntu Linux 9.04 lpia
Ubuntu Ubuntu Linux 9.04 i386
Ubuntu Ubuntu Linux 9.04 amd64
Ubuntu Ubuntu Linux 8.04 LTS sparc
Ubuntu Ubuntu Linux 8.04 LTS powerpc
Ubuntu Ubuntu Linux 8.04 LTS lpia
Ubuntu Ubuntu Linux 8.04 LTS i386
Ubuntu Ubuntu Linux 8.04 LTS amd64
Ubuntu Ubuntu Linux 6.06 LTS sparc
Ubuntu Ubuntu Linux 6.06 LTS powerpc
Ubuntu Ubuntu Linux 6.06 LTS i386
Ubuntu Ubuntu Linux 6.06 LTS amd64
Ubuntu Ubuntu Linux 10.04 sparc
Ubuntu Ubuntu Linux 10.04 powerpc
Ubuntu Ubuntu Linux 10.04 i386
Ubuntu Ubuntu Linux 10.04 amd64
S.u.S.E. openSUSE 11.2
Pardus Linux 2009 0
Linux kernel 2.6.33
Linux kernel 2.6.32
Linux kernel 2.6.31 5
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
+ Trustix Secure Enterprise Linux 2.0
+ Trustix Secure Linux 2.2
+ Trustix Secure Linux 2.1
+ Trustix Secure Linux 2.0
Linux kernel 2.6.31 -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 .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 .7
Linux kernel 2.6.23 .6
Linux kernel 2.6.23 .5
Linux kernel 2.6.23 .4
Linux kernel 2.6.23 .3
Linux kernel 2.6.23 .2
Linux kernel 2.6.23 -rc2
Linux kernel 2.6.23 -rc1
Linux kernel 2.6.23
Linux kernel 2.6.22 .8
Linux kernel 2.6.22 .7
Linux kernel 2.6.22 .6
Linux kernel 2.6.22 .5
Linux kernel 2.6.22 .4
Linux kernel 2.6.22 .3
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 2.6.21 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 .5
Linux kernel 2.6.20 .4
Linux kernel 2.6.20 .15
Linux kernel 2.6.20 .1
Linux kernel 2.6.20 -git5
Linux kernel 2.6.20
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
+ Trustix Secure Enterprise Linux 2.0
+ Trustix Secure Linux 2.2
+ Trustix Secure Linux 2.1
+ Trustix Secure Linux 2.0
Linux kernel 2.6.18 .4
Linux kernel 2.6.18 .3
Linux kernel 2.6.18 .1
Linux kernel 2.6.17 .9
Linux kernel 2.6.17 .8
Linux kernel 2.6.17 .7
Linux kernel 2.6.17 .6
Linux kernel 2.6.17 .5
Linux kernel 2.6.17 .4
Linux kernel 2.6.17 .3
Linux kernel 2.6.17 .2
Linux kernel 2.6.17 .14
Linux kernel 2.6.17 .13
Linux kernel 2.6.17 .12
Linux kernel 2.6.17 .11
Linux kernel 2.6.17 .10
Linux kernel 2.6.17 .1
Linux kernel 2.6.17 -rc5
Linux kernel 2.6.17
Linux kernel 2.6.16 27
Linux kernel 2.6.16 13
Linux kernel 2.6.16 .9
Linux kernel 2.6.16 .8
Linux kernel 2.6.16 .7
Linux kernel 2.6.16 .5
Linux kernel 2.6.16 .4
Linux kernel 2.6.16 .3
Linux kernel 2.6.16 .23
Linux kernel 2.6.16 .21
Linux kernel 2.6.16 .2
Linux kernel 2.6.16 .19
Linux kernel 2.6.16 .18
Linux kernel 2.6.16 .17
Linux kernel 2.6.16 .16
Linux kernel 2.6.16 .12
Linux kernel 2.6.16 .11
Linux kernel 2.6.16 .1
Linux kernel 2.6.16 -rc1
Linux kernel 2.6.16
Linux kernel 2.6.15 .6
Linux kernel 2.6.15 .4
Linux kernel 2.6.15 .3
Linux kernel 2.6.15 .2
Linux kernel 2.6.15 .1
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 2.6.14 .5
Linux kernel 2.6.14 .4
Linux kernel 2.6.14 .3
Linux kernel 2.6.14 .2
Linux kernel 2.6.14 .1
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 2.6.13 .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 2.6.12 .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 2.6.11 .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 2.6.11 -rc4
Linux kernel 2.6.11 -rc3
Linux kernel 2.6.11 -rc2
Linux kernel 2.6.11
Linux kernel 2.6.10 rc2
Linux kernel 2.6.10
Linux kernel 2.6.9
Linux kernel 2.6.8 rc3
Linux kernel 2.6.8 rc2
Linux kernel 2.6.8 rc1
+ Ubuntu Ubuntu Linux 4.1 ppc
 + Ubuntu Ubuntu Linux 4.1 ia64
 + Ubuntu Ubuntu Linux 4.1 ia32
 Linux kernel 2.6.8
Linux kernel 2.6.7 rc1
Linux kernel 2.6.7
Linux kernel 2.6.6 rc1
Linux kernel 2.6.6
Linux kernel 2.6.5
Linux kernel 2.6.4
Linux kernel 2.6.3
Linux kernel 2.6.2
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 -test9-CVS
Linux kernel 2.6 -test9
Linux kernel 2.6 -test8
Linux kernel 2.6 -test7
Linux kernel 2.6 -test6
Linux kernel 2.6 -test5
Linux kernel 2.6 -test4
Linux kernel 2.6 -test3
Linux kernel 2.6 -test2
Linux kernel 2.6 -test11
Linux kernel 2.6 -test10
Linux kernel 2.6 -test1
Linux kernel 2.6
Linux kernel 2.6.8.1
+ S.u.S.E. Linux Personal 9.2 x86_64
 + S.u.S.E. Linux Personal 9.2
+ Ubuntu Ubuntu Linux 4.1 ppc
 + Ubuntu Ubuntu Linux 4.1 ia64
 + Ubuntu Ubuntu Linux 4.1 ia32
 Linux kernel 2.6.34-rc5
Linux kernel 2.6.34-rc4
Linux kernel 2.6.34-rc2-git1
Linux kernel 2.6.34-rc2
Linux kernel 2.6.34-rc1
Linux kernel 2.6.33-rc8
Linux kernel 2.6.33-rc7
Linux kernel 2.6.33-rc6-git5
Linux kernel 2.6.33-rc6
Linux kernel 2.6.33-rc5
+ Trustix Secure Enterprise Linux 2.0
+ Trustix Secure Linux 2.2
+ Trustix Secure Linux 2.1
+ Trustix Secure Linux 2.0
Linux kernel 2.6.33-rc4
Linux kernel 2.6.32.8
Linux kernel 2.6.32.7
Linux kernel 2.6.32.4
Linux kernel 2.6.32.3
Linux kernel 2.6.32.12
Linux kernel 2.6.32.11
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 2.6.27-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-rc2
Linux kernel 2.6.24-rc1
Linux kernel 2.6.23.14
Linux kernel 2.6.23.10
Linux kernel 2.6.23.1
Linux kernel 2.6.23.09
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 2.6.18-8.1.8.el5
Linux kernel 2.6.18-53
Linux kernel 2.6.18
Linux kernel 2.6.15.5
Linux kernel 2.6.15.11
Linux kernel 2.6.15-27.48
Linux kernel 2.6.11.4
Not Vulnerable: Linux kernel 2.6.34

Discussion

Linux Kernel Btrfs Cloned File Security Bypass Vulnerability

The Linux Kernel is prone to a security-bypass vulnerability that affects the Btrfs filesystem implementation.

An attacker can exploit this issue to clone a file only open for writing. This may allow attackers to obtain sensitive data or launch further attacks.

Exploit / POC

Linux Kernel Btrfs Cloned File Security Bypass Vulnerability

An attacker can exploit this issue by using readily available tools.

The following proof-of-concept code is available:

Solution / Fix

Linux Kernel Btrfs Cloned File Security Bypass Vulnerability

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

References

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