3986 : Linux Kernel mremap() Missing Return Value Checking Privilege Escalation
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Views This Week Views All Time Added to OSVDB Last Modified Modified (since 2008) Percent Complete
4 2011 about 10 years ago over 4 years ago 4 times 90%

Timeline

Disclosure Date
2004-02-18

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 Public

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 Kernel Organization, Inc.
Kernel
2.2.x
2.4.x
2.6.x

References

Tools & Filters

12468 12469 13679 13823 14115 15275 15276 15277 15278 15281 15287 15290 15291 15293 15303 15307 15312 15351 18789

Credit

  • Paul Starzetz - ihaquerisec.pl - iSEC Security Research

CVSSv2 Score

CVSSv2 Base Score = 7.2
Source: nvd.nist.gov | Generated: 2003-12-31 | Disagree?

Access_vector_0 Access_complexity_2 Authentication_2 Confidentiality_impact_2 Integrity_impact_2 Availability_impact_2

Comments

No Comments.

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