Linux Kernel Btrfs CRC32C feature CVE-2012-5375 Security Bypass Vulnerability

BID:56940

Info

Linux Kernel Btrfs CRC32C feature CVE-2012-5375 Security Bypass Vulnerability

Bugtraq ID: 56940
Class: Design Error
CVE: CVE-2012-5375
Remote: No
Local: Yes
Published: Dec 13 2012 12:00AM
Updated: Nov 13 2013 01:13AM
Credit: Pascal Junod
Vulnerable: Ubuntu Ubuntu Linux 12.04 LTS i386
Ubuntu Ubuntu Linux 12.04 LTS amd64
Linux kernel 3.3.5
Linux kernel 3.3.4
Linux kernel 3.3.2
Linux kernel 3.2.13
Linux kernel 3.2.9
Linux kernel 3.2.1
Linux kernel 3.1.8
Linux kernel 3.0.5
Linux kernel 3.0.4
Linux kernel 3.0.2
Linux kernel 3.0.1
Linux kernel 2.6.39 rc4
Linux kernel 2.6.39
Linux kernel 2.6.38
Linux kernel 2.6.37
Linux kernel 2.6.36
Linux kernel 2.6.35
Linux kernel 2.6.34
Linux kernel 2.6.33 rc1
Linux kernel 2.6.33 .1
Linux kernel 2.6.33
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
+ 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 .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 .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 rc6
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 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
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 .4
Linux kernel 2.6.18 .3
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 .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 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 .8
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 .5
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 .4
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 .3
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 .21
Linux kernel 2.6.16 .20
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 .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 2.6.15 rc7
Linux kernel 2.6.15 .7
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 .7
Linux kernel 2.6.14 .6
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 -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 2.6.13 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 2.6.12 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 2.6.11 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 2.6.10 rc3
Linux kernel 2.6.10 rc2
Linux kernel 2.6.10 rc1
Linux kernel 2.6.10
Linux kernel 2.6.9 rc4
Linux kernel 2.6.9 rc3
Linux kernel 2.6.9 rc2
Linux kernel 2.6.9 rc1
Linux kernel 2.6.9 final
Linux kernel 2.6.9
Linux kernel 2.6.8 rc4
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 rc3
Linux kernel 2.6.7 rc2
Linux kernel 2.6.7 rc1
Linux kernel 2.6.7
Linux kernel 2.6.6 rc3
Linux kernel 2.6.6 rc2
Linux kernel 2.6.6 rc1
Linux kernel 2.6.6
Linux kernel 2.6.5 rc3
Linux kernel 2.6.5 rc2
Linux kernel 2.6.5 rc1
Linux kernel 2.6.5
Linux kernel 2.6.4 rc3
Linux kernel 2.6.4 rc2
Linux kernel 2.6.4 rc1
Linux kernel 2.6.4
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 2.6.2 rc3
Linux kernel 2.6.2 rc2
Linux kernel 2.6.2 rc1
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 -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 3.2.2
Linux kernel 3.0.18
Linux kernel 3.0-rc4-git1
Linux kernel 3.0-rc1
Linux kernel 3.0
Linux kernel 2.6.8.1
Linux kernel 2.6.39-rc6
Linux kernel 2.6.39-rc3
Linux kernel 2.6.38.6
Linux kernel 2.6.38.4
Linux kernel 2.6.38.3
Linux kernel 2.6.38.2
Linux kernel 2.6.38-rc7
Linux kernel 2.6.38-rc4
Linux kernel 2.6.38-rc2
Linux kernel 2.6.38-git18
Linux kernel 2.6.37rc
Linux kernel 2.6.37.2
Linux kernel 2.6.37-rc7
Linux kernel 2.6.37-rc2
Linux kernel 2.6.37-rc1
Linux kernel 2.6.36.2 (stable)
Linux kernel 2.6.36-rc8
Linux kernel 2.6.36-rc6
Linux kernel 2.6.36-rc5
Linux kernel 2.6.36-rc4
Linux kernel 2.6.36-rc1
Linux kernel 2.6.35.5
Linux kernel 2.6.35.4
Linux kernel 2.6.35.13
Linux kernel 2.6.35.1
Linux kernel 2.6.35-rc6
Linux kernel 2.6.35-rc5-git5
Linux kernel 2.6.35-rc5
Linux kernel 2.6.35-rc4
Linux kernel 2.6.35-rc1
Linux kernel 2.6.34.2
Linux kernel 2.6.34-rc6
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 2.6.33.7
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
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 2.6.32.28
Linux kernel 2.6.32.22
Linux kernel 2.6.32.17
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
+ Trustix Secure Enterprise Linux 2.0
+ Trustix Secure Linux 2.2
+ Trustix Secure Linux 2.1
+ Trustix Secure Linux 2.0
Linux kernel 2.6.32-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-rc5
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 2.6.23.14
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
Linux kernel 2.6.0
Not Vulnerable:

Discussion

Linux Kernel Btrfs CRC32C feature CVE-2012-5375 Security Bypass Vulnerability

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



Attackers can exploit this issue to bypass certain security restrictions and perform unauthorized actions.

Exploit / POC

Linux Kernel Btrfs CRC32C feature CVE-2012-5375 Security Bypass Vulnerability

The researcher who discovered this issue has created a functional exploit. The exploit is otherwise not publicly available.

Solution / Fix

Linux Kernel Btrfs CRC32C feature CVE-2012-5375 Security Bypass Vulnerability

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

References

Linux Kernel Btrfs CRC32C feature CVE-2012-5375 Security Bypass Vulnerability

References:

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