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This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Use-after-free vulnerability in the fasync_helper function in fs/fcntl.c in the Linux kernel before 2.6.33-rc4-git1 allows local users to gain privileges via vectors that include enabling O_ASYNC (aka FASYNC or FIOASYNC) on a locked file, and then closing this file.
View Analysis Description
CWE-416: Use After Free
Access Vector (AV):
Access Complexity (AC):
Allows unauthorized disclosure of informationAllows unauthorized modificationAllows disruption of service
This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 3, 4 and Red Hat Enterprise MRG. Shipped kernels do not include upstream commit 233e70f4 that introduced the problem.
It was addressed in Red Hat Enterprise Linux 5 via https://rhn.redhat.com/errata/RHSA-2010-0046.html
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https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7054 [No Types Assigned]
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http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:7054 [No Types Assigned]
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:9201 [No Types Assigned]