3986 : Linux Kernel mremap() Missing Return Value Checking Privilege Escalation
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Info

Last Modified

about 1 year ago

Percent Complete

100%

Disclosure

Feb 18, 2004

Discovery

Unknown

Dates

Exploit

Unknown

Solution

Unknown

Keywords

No Keywords

Description

The Linux kernel contains a flaw that may allow a malicious user to gain access to unauthorized privileges due to improper checks on return values performed in the do_mremap function for the mremap system call. This flaw may lead to a loss of Confidentiality, Integrity and Availability.

Classification

Location: Local Access Required
Attack Type: Other
Impact: Loss of Confidentiality, Loss of Integrity, Loss of Availability
Exploit: Exploit Available
Disclosure: OSVDB Verified

Solution

Upgrade to version 2.4.25 or higher, or 2.6.3 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
2.2.x
2.4.x
2.6.x

References

Tools & Filters

Nessus

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Credit

  • Paul Starzetz - ihaquerBrand New Doo Dooisec.pl - iSEC Security Research

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