CVE-2008-4307

Description

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.

Category

4.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.08%
Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/34962 third party advisory vendor advisory
http://openwall.com/lists/oss-security/2009/01/13/1 mailing list
http://secunia.com/advisories/37471 third party advisory
http://rhn.redhat.com/errata/RHSA-2009-0459.html vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7728 vdb entry signature
http://www.vmware.com/security/advisories/VMSA-2009-0016.html
http://www.debian.org/security/2009/dsa-1794 vendor advisory
http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.27.y.git%3Ba=commit%3Bh=c4d7c402b788b73dc24f1e54a57f89d3dc5eb7bc
http://www.ubuntu.com/usn/usn-751-1 vendor advisory
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.26 vendor advisory
http://secunia.com/advisories/35015 third party advisory vendor advisory
http://secunia.com/advisories/35011 third party advisory vendor advisory
http://www.securityfocus.com/archive/1/507985/100/0/threaded mailing list
https://bugzilla.redhat.com/show_bug.cgi?id=456282
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9233 vdb entry signature
http://secunia.com/advisories/34981 third party advisory vendor advisory
http://secunia.com/advisories/34917 third party advisory vendor advisory
http://www.debian.org/security/2009/dsa-1787 vendor advisory
http://rhn.redhat.com/errata/RHSA-2009-0473.html vendor advisory
http://www.redhat.com/support/errata/RHSA-2009-0451.html vendor advisory
http://www.vupen.com/english/advisories/2009/3316 vdb entry

Frequently Asked Questions

What is the severity of CVE-2008-4307?
CVE-2008-4307 has been scored as a medium severity vulnerability.
How to fix CVE-2008-4307?
To fix CVE-2008-4307, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2008-4307 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2008-4307 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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