Linux Kernel 'proc_oom_score()' Local Denial of Service Vulnerability

BID:39477

Info

Linux Kernel 'proc_oom_score()' Local Denial of Service Vulnerability

Bugtraq ID: 39477
Class: Design Error
CVE: CVE-2010-1488
Remote: No
Local: Yes
Published: Apr 14 2010 12:00AM
Updated: Jun 03 2010 12:20PM
Credit: Oleg Nesterov
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
Linux kernel 2.6.32
Linux kernel 2.6.27 -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
Linux kernel 2.6.33-rc4
+ Trustix Secure Enterprise Linux 2.0
+ Trustix Secure Linux 2.2
+ Trustix Secure Linux 2.1
+ Trustix Secure Linux 2.0
Linux kernel 2.6.32.4
Linux kernel 2.6.32.3
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
+ 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-rc2
Linux kernel 2.6.32-rc1
Linux kernel 2.6.31-rc2
Not Vulnerable: Linux kernel 2.6.34-rc4

Discussion

Linux Kernel 'proc_oom_score()' Local Denial of Service Vulnerability

The Linux kernel is prone to a local denial-of-service vulnerability.

Attackers can exploit this issue to crash the affected computer, denying service to legitimate users.

This issue was introduced in Linux Kernel 2.6.32-rc1 and fixed in 2.6.34-rc4.

Exploit / POC

Linux Kernel 'proc_oom_score()' Local Denial of Service Vulnerability

Currently we are not aware of any working 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_oom_score()' Local Denial of Service Vulnerability

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


Ubuntu Ubuntu Linux 9.10 sparc

Ubuntu Ubuntu Linux 9.10 powerpc

Ubuntu Ubuntu Linux 9.10 lpia

Ubuntu Ubuntu Linux 10.04 powerpc

Ubuntu Ubuntu Linux 9.10 i386

Ubuntu Ubuntu Linux 10.04 amd64

Ubuntu Ubuntu Linux 10.04 sparc

Ubuntu Ubuntu Linux 10.04 i386

References

Linux Kernel 'proc_oom_score()' Local Denial of Service Vulnerability

References:
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