CVE-2009-3726

Description

The nfs4_proc_lock function in fs/nfs/nfs4proc.c in the NFSv4 client in the Linux kernel before 2.6.31-rc4 allows remote NFS servers to cause a denial of service (NULL pointer dereference and panic) by sending a certain response containing incorrect file attributes, which trigger attempted use of an open file that lacks NFSv4 state.

Category

7.8
CVSS
Severity: High
CVSS 2.0 •
EPSS 5.82% Top 10%
Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory mandriva.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory mandriva.com Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=529227
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d953126a28f97ec965d23c69fd5795854c048f30
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9734 signature vdb entry
http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00002.html vendor advisory
http://www.ubuntu.com/usn/usn-864-1 vendor advisory
http://secunia.com/advisories/38794 third party advisory
http://lists.vmware.com/pipermail/security-announce/2010/000082.html mailing list
http://www.securityfocus.com/bid/36936 vdb entry
http://www.mandriva.com/security/advisories?name=MDVSA-2009:329 vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6636 signature vdb entry
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00007.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html vendor advisory
http://secunia.com/advisories/37909 third party advisory
http://www.redhat.com/support/errata/RHSA-2010-0474.html vendor advisory
http://www.redhat.com/support/errata/RHSA-2009-1670.html vendor advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2011:051 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00005.html vendor advisory
http://secunia.com/advisories/38834 third party advisory
http://secunia.com/advisories/40218 third party advisory
http://www.spinics.net/linux/lists/linux-nfs/msg03357.html mailing list
http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.31/ChangeLog-2.6.31-rc4 vendor advisory
http://www.openwall.com/lists/oss-security/2009/11/05/1 mailing list
http://www.openwall.com/lists/oss-security/2009/11/05/4 mailing list
http://www.debian.org/security/2010/dsa-2005 vendor advisory
http://www.vupen.com/english/advisories/2010/0528 vdb entry

Frequently Asked Questions

What is the severity of CVE-2009-3726?
CVE-2009-3726 has been scored as a high severity vulnerability.
How to fix CVE-2009-3726?
To fix CVE-2009-3726, 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-2009-3726 being actively exploited in the wild?
It is possible that CVE-2009-3726 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~6% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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