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    CVE-2009-1630

    The nfs_permission function in fs/nfs/dir.c in the NFS client implementation in the Linux kernel 2.6.29.3 and earlier, when atomic_open is available, does not check execute (aka EXEC or MAY_EXEC) permission bits, which allows local users to bypass permissions and execute files, as demonstrated by files on an NFSv4 fileserver.

    Published:May 9, 2009
    Last Modified:Apr 23, 2026
    EPS:May 14, 2009
    EPSS Score:0.00109
    CVSS Score:4.4

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Opensuse
    Product
    Opensuse
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Mrg
    Vendor
    Vmware
    Product
    Esx

    Exploits

    http://article.gmane.org/gmane.linux.nfs/26592http://www.openwall.com/lists/oss-security/2009/05/13/2https://bugzilla.redhat.com/show_bug.cgi?id=500297http://article.gmane.org/gmane.linux.nfs/26592http://www.openwall.com/lists/oss-security/2009/05/13/2https://bugzilla.redhat.com/show_bug.cgi?id=500297

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-13476 (CVSS 7.3) — IBM Informix Dynamic Server 14.10, 15.0, and 12.10 could allow an unauthenticated user to execute arbitrary co…
    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://article.gmane.org/gmane.linux.nfs/26592
    http://bugzilla.linux-nfs.org/show_bug.cgi?id=131
    http://linux-nfs.org/pipermail/nfsv4/2006-November/005313.html
    http://linux-nfs.org/pipermail/nfsv4/2006-November/005323.html
    http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.html
    http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00004.html
    http://secunia.com/advisories/35106
    http://secunia.com/advisories/35298
    http://secunia.com/advisories/35394
    http://secunia.com/advisories/35656
    http://secunia.com/advisories/35847
    http://secunia.com/advisories/36051
    http://secunia.com/advisories/36327
    http://secunia.com/advisories/37471
    http://wiki.rpath.com/Advisories:rPSA-2009-0111
    http://www.debian.org/security/2009/dsa-1809
    http://www.debian.org/security/2009/dsa-1844
    http://www.debian.org/security/2009/dsa-1865
    http://www.mandriva.com/security/advisories?name=MDVSA-2009:135
    http://www.mandriva.com/security/advisories?name=MDVSA-2009:148
    http://www.openwall.com/lists/oss-security/2009/05/13/2
    http://www.redhat.com/support/errata/RHSA-2009-1157.html
    http://www.securityfocus.com/archive/1/505254/100/0/threaded
    http://www.securityfocus.com/archive/1/507985/100/0/threaded
    http://www.securityfocus.com/bid/34934
    http://www.ubuntu.com/usn/usn-793-1
    http://www.vmware.com/security/advisories/VMSA-2009-0016.html
    http://www.vupen.com/english/advisories/2009/1331
    http://www.vupen.com/english/advisories/2009/3316
    https://bugzilla.redhat.com/show_bug.cgi?id=500297
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8543
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9990
    http://article.gmane.org/gmane.linux.nfs/26592
    http://bugzilla.linux-nfs.org/show_bug.cgi?id=131
    http://linux-nfs.org/pipermail/nfsv4/2006-November/005313.html
    http://linux-nfs.org/pipermail/nfsv4/2006-November/005323.html
    http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.html
    http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00004.html
    http://secunia.com/advisories/35106
    http://secunia.com/advisories/35298
    http://secunia.com/advisories/35394
    http://secunia.com/advisories/35656
    http://secunia.com/advisories/35847
    http://secunia.com/advisories/36051
    http://secunia.com/advisories/36327
    http://secunia.com/advisories/37471
    http://wiki.rpath.com/Advisories:rPSA-2009-0111
    http://www.debian.org/security/2009/dsa-1809
    http://www.debian.org/security/2009/dsa-1844
    http://www.debian.org/security/2009/dsa-1865
    http://www.mandriva.com/security/advisories?name=MDVSA-2009:135
    http://www.mandriva.com/security/advisories?name=MDVSA-2009:148
    http://www.openwall.com/lists/oss-security/2009/05/13/2
    http://www.redhat.com/support/errata/RHSA-2009-1157.html
    http://www.securityfocus.com/archive/1/505254/100/0/threaded
    http://www.securityfocus.com/archive/1/507985/100/0/threaded
    http://www.securityfocus.com/bid/34934
    http://www.ubuntu.com/usn/usn-793-1
    http://www.vmware.com/security/advisories/VMSA-2009-0016.html
    http://www.vupen.com/english/advisories/2009/1331
    http://www.vupen.com/english/advisories/2009/3316
    https://bugzilla.redhat.com/show_bug.cgi?id=500297
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8543
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9990

    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