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: UBUNTU

Name: USN-751-1

Hyperlink:http://www.ubuntu.com/usn/usn-751-1

External Source: REDHAT

Name: RHSA-2009:0451

Hyperlink:http://www.redhat.com/support/errata/RHSA-2009-0451.html

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: DEBIAN

Name: DSA-1794

Hyperlink:http://www.debian.org/security/2009/dsa-1794

External Source: DEBIAN

Name: DSA-1787

Hyperlink:http://www.debian.org/security/2009/dsa-1787

External Source: SECUNIA

Name: 35015

Hyperlink:http://secunia.com/advisories/35015

External Source: SECUNIA

Name: 35011

Hyperlink:http://secunia.com/advisories/35011

External Source: SECUNIA

Name: 34981

Hyperlink:http://secunia.com/advisories/34981

External Source: SECUNIA

Name: 34962

Hyperlink:http://secunia.com/advisories/34962

External Source: SECUNIA

Name: 34917

Hyperlink:http://secunia.com/advisories/34917

External Source: REDHAT

Name: RHSA-2009:0473

Hyperlink:http://rhn.redhat.com/errata/RHSA-2009-0473.html

External Source: REDHAT

Name: RHSA-2009:0459

Hyperlink:http://rhn.redhat.com/errata/RHSA-2009-0459.html

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