24507 : Linux Kernel __keyring_search_one() Function Local DoS
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Info

Last Modified

about 1 year ago

Percent Complete

100%

Disclosure

Apr 10, 2006

Discovery

Unknown

Dates

Exploit

Unknown

Solution

Unknown

Keywords

No Keywords

Description

The Linux kernel contains a flaw that may allow a local denial of service. The issue is triggered in the kernel's key retention facility. When an attempt is made to add a key to a keyring that is not actually a keyring structure, the '__keyring_search_one()' function fails to detect that issue and kernel 'oops' occurs, which will result in loss of availability for the platform.

Classification

Location: Local Access Required
Attack Type: Denial of Service
Impact: Loss of Availability
Exploit: Exploit Available
Disclosure: OSVDB Verified

Solution

Upgrade to version 2.6.16.3 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Linux
Watch-list
Kernel
Watch-list
2.6.16.2

References

Tools & Filters

Nessus

21252 21253 21575 21592 27877

Manual Testing Notes

Credit

  • David Howells - dhowellsBrand New Doo Dooredhat.com - RedHat

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