5667 : Linux Kernel CPUFREQ Proc Handler Information Disclosure
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Info

Last Modified
7 months ago

Percent Complete
100%

Disclosure
Apr 21, 2004

Discovery
Unknown

Dates

Exploit
Unknown

Solution
Unknown

Description

 A local overflow exists in the Linux kernel. The kernel casts an unsigned integer into a signed integer resulting in an integer overflow. With a specially crafted request, an attacker can potentially read arbitrary amounts of memory resulting in a loss of confidentiality.

Classification

 Location: Local Access Required
Attack Type: Information Disclosure
Impact: Loss of Confidentiality
Exploit: Exploit Unknown
Disclosure: OSVDB Verified

Solution

 Upgrade to kernel version 2.6.6-rc3 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products
Fedora
Watch-list
Kernel
Watch-list
 2.4.22-1.2179.nptl
Linux
Watch-list
Kernel
Watch-list
 2.6.0
2.6.1
2.6.2
2.6.3
2.6.4
2.6.5
2.5.x
2.6.6
2.6.6-rc1
2.6.6-rc2

References

Tools & Filters

Nessus

 13692 13828 14149

Credit
  • Brad Spengler - spenderBrand New Doo Doogrsecurity.net - grsecurity

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