Linux Kernel 'proc_do_xprt()' Local Buffer Overflow Vulnerability

BID:31937

Info

Linux Kernel 'proc_do_xprt()' Local Buffer Overflow Vulnerability

Bugtraq ID: 31937
Class: Boundary Condition Error
CVE: CVE-2008-3911
Remote: No
Local: Yes
Published: Oct 27 2008 12:00AM
Updated: Oct 28 2008 04:16PM
Credit: Vegard Nossum
Vulnerable: S.u.S.E. openSUSE 11.0
Linux kernel 2.6.26 .3
Linux kernel 2.6.26 -rc6
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 2.6.25
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 2.6.26.1
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 2.6.24.6
Linux kernel 2.6.24-rc2
Linux kernel 2.6.24-rc1
Not Vulnerable: Linux kernel 2.6.26 .4

Discussion

Linux Kernel 'proc_do_xprt()' Local Buffer Overflow Vulnerability

The Linux kernel is prone to a local buffer-overflow vulnerability because it fails to perform adequate boundary checks on user-supplied data.

Local attackers can exploit this issue to crash the affected kernel, denying service to legitimate users.
Given the nature of this issue, attackers may also be able to run arbitrary code, but this has not been confirmed.

This issue affects Linux kernel 2.6.24-git13 through 2.6.26.4.

Exploit / POC

Linux Kernel 'proc_do_xprt()' Local Buffer Overflow Vulnerability

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

Solution / Fix

Linux Kernel 'proc_do_xprt()' Local Buffer Overflow Vulnerability

Solution:
Updates are available to address this issue. Please see the references for more information.


Linux kernel 2.6.25.2

Linux kernel 2.6.26.1

Linux kernel 2.6.25.3

Linux kernel 2.6.25.4

Linux kernel 2.6.24-rc1

S.u.S.E. openSUSE 11.0

Linux kernel 2.6.24.6

Linux kernel 2.6.26-rc5-git1

Linux kernel 2.6.24-rc2

Linux kernel 2.6.25.1

Linux kernel 2.6.24 .2

Linux kernel 2.6.24 -git13

Linux kernel 2.6.24 -rc4

Linux kernel 2.6.24 .1

Linux kernel 2.6.24 -rc3

Linux kernel 2.6.24 -rc5

Linux kernel 2.6.25

Linux kernel 2.6.25 .15

Linux kernel 2.6.25 .9

Linux kernel 2.6.25 .10

Linux kernel 2.6.25 .11

Linux kernel 2.6.25 .7

Linux kernel 2.6.25 .5

Linux kernel 2.6.25 .8

Linux kernel 2.6.25

Linux kernel 2.6.25 .6

Linux kernel 2.6.25 .13

Linux kernel 2.6.25 .12

Linux kernel 2.6.26 .3

Linux kernel 2.6.26 -rc6

References

Linux Kernel 'proc_do_xprt()' Local Buffer Overflow Vulnerability

References:

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