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>> Linux Kernel Support Processor Attention PPC970 Local Denial of Service Vulnerability
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Title : Linux Kernel Support Processor Attention PPC970 Local Denial of Service Vulnerability
VUPEN ID : VUPEN/ADV-2006-3331
CVE ID : CVE-2006-4093
Rated as : Low Risk 
Remotely Exploitable : No
Locally Exploitable : Yes
Release Date : 2006-08-21
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A vulnerability has been identified in Linux Kernel, which may be exploited by local attackers to cause a denial of service. This flaw is due to an error on PPC970 systems [arch/powerpc/kernel/cpu_setup_power4.S] when the support processor attention enable (HID0[31]) is not set, which could be exploited by malicious users to crash a vulnerable system, creating a denial of service condition.
Affected Products
Linux Kernel version 2.6.17.8 and prior
Solution
Upgrade to Linux Kernel version 2.6.17.9 :
http://www.kernel.org
References
http://www.vupen.com/english/advisories/2006/3331
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.17.9
Credits
Vulnerability reported by the vendor
ChangeLog
2006-08-21 : Initial release
Vulnerability Management
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