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    CVE-2006-5158

    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.

    Published:Sep 28, 2006
    Last Modified:Apr 23, 2026
    EPS:Oct 3, 2006
    EPSS Score:0.04045
    CVSS Score:7.5

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Linux Desktop
    Vendor
    Redhat
    Product
    Enterprise Linux Eus
    Vendor
    Redhat
    Product
    Enterprise Linux Server
    Vendor
    Redhat
    Product
    Enterprise Linux Workstation

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-667 Improper Locking

    Related CVEs

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    CVE-2026-13367 (CVSS 7.8) — IBM Informix Dynamic Server 14.10, and 15.0 contain a local privilege escalation vulnerability in the oninit s…
    CVE-2026-47337 (CVSS 3.3) — Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling …
    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
    CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…
    CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…
    CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…
    CVE-2026-47332 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an intern…
    CVE-2026-47331 (CVSS 7.8) — Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An…
    CVE-2026-47330 (CVSS 3.3) — Ubuntu Linux 6.8, 7.17 and 7.0 contain AppArmor SAUCE patches which can, under certain circumstances, use an u…

    References

    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%3Ba=commit%3Bh=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
    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%3Ba=commit%3Bh=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
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10128

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High