Linux Kernel Sysctl Unregistration Local Denial of Service Vulnerability

BID:15365

Info

Linux Kernel Sysctl Unregistration Local Denial of Service Vulnerability

Bugtraq ID: 15365
Class: Design Error
CVE: CVE-2005-2709
Remote: No
Local: Yes
Published: Nov 09 2005 12:00AM
Updated: Jan 09 2007 01:07AM
Credit: The vendor reported this issue.
Vulnerable: Ubuntu Ubuntu Linux 5.10 powerpc
Ubuntu Ubuntu Linux 5.10 i386
Ubuntu Ubuntu Linux 5.10 amd64
Trustix Secure Linux 3.0
Trustix Secure Linux 2.2
Trustix Secure Enterprise Linux 2.0
Redhat Enterprise Linux WS 4
Redhat Enterprise Linux WS 3
Redhat Enterprise Linux WS 2.1 IA64
Redhat Enterprise Linux WS 2.1
Redhat Enterprise Linux ES 4
Redhat Enterprise Linux ES 3
Redhat Enterprise Linux ES 2.1
Redhat Enterprise Linux AS 4
Redhat Enterprise Linux AS 3
Redhat Enterprise Linux AS 2.1 IA64
Redhat Enterprise Linux AS 2.1
Redhat Enterprise Linux Desktop version 4
Redhat Desktop 4.0
Redhat Desktop 3.0
Redhat Advanced Workstation for the Itanium Processor 2.1 IA64
Redhat Advanced Workstation for the Itanium Processor 2.1
Mandriva Linux Mandrake 2006.0 x86_64
Mandriva Linux Mandrake 2006.0
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 .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 2.6.12 -rc5
Linux kernel 2.6.12 -rc4
Linux kernel 2.6.12 -rc1
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 .11
Linux kernel 2.6.11 -rc4
Linux kernel 2.6.11 -rc3
Linux kernel 2.6.11 -rc2
Linux kernel 2.6.11
+ Redhat Fedora Core4
Linux kernel 2.6.10 rc2
Linux kernel 2.6.10
+ Redhat Fedora Core3
+ Redhat Fedora Core2
+ Trustix Secure Linux 3.0
+ Ubuntu Ubuntu Linux 5.0 4 powerpc
+ Ubuntu Ubuntu Linux 5.0 4 i386
+ Ubuntu Ubuntu Linux 5.0 4 amd64
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
+ 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 2.6.7 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
Debian Linux 3.1 sparc
Debian Linux 3.1 s/390
Debian Linux 3.1 ppc
Debian Linux 3.1 mipsel
Debian Linux 3.1 mips
Debian Linux 3.1 m68k
Debian Linux 3.1 ia-64
Debian Linux 3.1 ia-32
Debian Linux 3.1 hppa
Debian Linux 3.1 arm
Debian Linux 3.1 amd64
Debian Linux 3.1 alpha
Debian Linux 3.1
Not Vulnerable: Linux kernel 2.6.14 .1

Discussion

Linux Kernel Sysctl Unregistration Local Denial of Service Vulnerability

Linux Kernel is reported prone to a local denial-of-service vulnerability. This issue arises from a failure to properly unregister kernel resources when network devices are removed.

This issue allows local attackers to deny service to legitimate users. Attackers may also be able to execute arbitrary code in the context of the kernel, but this has not been confirmed.

Exploit / POC

Linux Kernel Sysctl Unregistration Local Denial of Service Vulnerability

An exploit is not required.

Solution / Fix

Linux Kernel Sysctl Unregistration Local Denial of Service Vulnerability

Solution:
The vendor has released version 2.6.14.1 of the kernel to address this issue.

Please see the referenced advisories for more information.


Linux kernel 2.6 -test6

Linux kernel 2.6 -test4

Linux kernel 2.6 -test2

Linux kernel 2.6 -test11

Linux kernel 2.6 -test9-CVS

Linux kernel 2.6

Linux kernel 2.6 -test3

Linux kernel 2.6 .10

Linux kernel 2.6 -test5

Linux kernel 2.6 -test1

Linux kernel 2.6 -test7

Linux kernel 2.6 -test9

Linux kernel 2.6 -test8

Linux kernel 2.6 -test10

Linux kernel 2.6.1 -rc1

Linux kernel 2.6.1 -rc2

Linux kernel 2.6.1

Linux kernel 2.6.10 rc2

Linux kernel 2.6.10

Linux kernel 2.6.11

Linux kernel 2.6.11 .6

Linux kernel 2.6.11 -rc2

Linux kernel 2.6.11 .5

Linux kernel 2.6.11 -rc3

Linux kernel 2.6.11 -rc4

Linux kernel 2.6.11 .11

Linux kernel 2.6.12 .4

Linux kernel 2.6.12 .3

Linux kernel 2.6.12 .1

Linux kernel 2.6.12 .5

Linux kernel 2.6.12 -rc4

Linux kernel 2.6.12 .2

Linux kernel 2.6.12 -rc5

Linux kernel 2.6.13 -rc4

Linux kernel 2.6.13 .3

Linux kernel 2.6.13

Linux kernel 2.6.13 -rc7

Linux kernel 2.6.13 -rc1

Linux kernel 2.6.13 .2

Linux kernel 2.6.13 .4

Linux kernel 2.6.14 -rc2

Linux kernel 2.6.14 -rc3

Linux kernel 2.6.14

Linux kernel 2.6.14 -rc1

Linux kernel 2.6.14 -rc4

Linux kernel 2.6.2

Linux kernel 2.6.4

Linux kernel 2.6.6 rc1

Linux kernel 2.6.7 rc1

Linux kernel 2.6.7

Linux kernel 2.6.8 rc3

Linux kernel 2.6.8 rc2

Linux kernel 2.6.8 rc1

Linux kernel 2.6.8

Linux kernel 2.6.9

References

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