The nlmclnt_mark_reclaim in clntlock.c in NFS lockd in Linux kernel before 2.6.16 allows remote attackers to cause a denial of service (process crash) and deny access to NFS exports via unspecified vectors that trigger a kernel oops (null dereference) and a deadlock.

References

• https://nvd.nist.gov/vuln/detail/CVE-2006-5158
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10128
• http://marc.info/?l=linux-kernel&m=113476665626446&w=2
• http://marc.info/?l=linux-kernel&m=113494474208973&w=2
• http://rhn.redhat.com/errata/RHSA-2007-0488.html
• http://secunia.com/advisories/23361
• http://secunia.com/advisories/23384
• http://secunia.com/advisories/23752
• http://secunia.com/advisories/25838
• http://secunia.com/advisories/26289
• http://support.avaya.com/elmodocs2/security/ASA-2007-287.htm
• http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9b5b1f5bf9dcdb6f23abf65977a675eb4deba3c0
• http://www.mandriva.com/security/advisories?name=MDKSA-2007:012
• http://www.novell.com/linux/security/advisories/2006_57_kernel.html
• http://www.securityfocus.com/bid/21581
• http://www.ubuntu.com/usn/usn-395-1
• http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9b5b1f5bf9dcdb6f23abf65977a675eb4deba3c0