National Cyber-Alert System

Vulnerability Summary for CVE-2008-4307

Overview

Race condition in the do_setlk function in fs/nfs/file.c in the Linux kernel before 2.6.26 allows local users to cause a denial of service (crash) via vectors resulting in an interrupted RPC call that leads to a stray FL_POSIX lock, related to improper handling of a race between fcntl and close in the EINTR case.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=456282

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=456282

External Source: CONFIRM

Name: http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.26

Hyperlink:http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.26

External Source: MLIST

Name: [oss-security] 20090113 CVE-2008-4307 kernel: local denial of service in locks_remove_flock

Hyperlink:http://openwall.com/lists/oss-security/2009/01/13/1

External Source: CONFIRM

Name: http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.27.y.git;a=commit;h=c4d7c402b788b73dc24f1e54a57f89d3dc5eb7bc

Hyperlink:http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.27.y.git;a=commit;h=c4d7c402b788b73dc24f1e54a57f89d3dc5eb7bc