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    CVE-2007-6716

    fs/direct-io.c in the dio subsystem in the Linux kernel before 2.6.23 does not properly zero out the dio struct, which allows local users to cause a denial of service (OOPS), as demonstrated by a certain fio test.

    Published:Jul 26, 2007
    Last Modified:Apr 23, 2026
    EPS:Sep 4, 2008
    EPSS Score:0.00048
    CVSS Score:5.5

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Novell
    Product
    Linux Desktop
    Vendor
    Opensuse
    Product
    Opensuse
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Suse
    Product
    Suse Linux Enterprise Desktop
    Vendor
    Suse
    Product
    Suse Linux Enterprise Server

    Exploits

    http://lkml.org/lkml/2007/7/30/448http://lkml.org/lkml/2007/7/30/448

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    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://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=848c4dd5153c7a0de55470ce99a8e13a63b4703f
    http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00007.html
    http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00008.html
    http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00001.html
    http://lists.opensuse.org/opensuse-security-announce/2008-12/msg00000.html
    http://lkml.org/lkml/2007/7/30/448
    http://rhn.redhat.com/errata/RHSA-2008-0972.html
    http://secunia.com/advisories/32023
    http://secunia.com/advisories/32103
    http://secunia.com/advisories/32237
    http://secunia.com/advisories/32356
    http://secunia.com/advisories/32370
    http://secunia.com/advisories/32393
    http://secunia.com/advisories/32759
    http://secunia.com/advisories/32799
    http://www.debian.org/security/2008/dsa-1653
    http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.23
    http://www.mandriva.com/security/advisories?name=MDVSA-2008:220
    http://www.openwall.com/lists/oss-security/2008/09/04/1
    http://www.redhat.com/support/errata/RHSA-2008-0885.html
    http://www.securityfocus.com/bid/31515
    http://www.ubuntu.com/usn/usn-659-1
    https://bugzilla.redhat.com/show_bug.cgi?id=461082
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10053
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=848c4dd5153c7a0de55470ce99a8e13a63b4703f
    http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00007.html
    http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00008.html
    http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00001.html
    http://lists.opensuse.org/opensuse-security-announce/2008-12/msg00000.html
    http://lkml.org/lkml/2007/7/30/448
    http://rhn.redhat.com/errata/RHSA-2008-0972.html
    http://secunia.com/advisories/32023
    http://secunia.com/advisories/32103
    http://secunia.com/advisories/32237
    http://secunia.com/advisories/32356
    http://secunia.com/advisories/32370
    http://secunia.com/advisories/32393
    http://secunia.com/advisories/32759
    http://secunia.com/advisories/32799
    http://www.debian.org/security/2008/dsa-1653
    http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.23
    http://www.mandriva.com/security/advisories?name=MDVSA-2008:220
    http://www.openwall.com/lists/oss-security/2008/09/04/1
    http://www.redhat.com/support/errata/RHSA-2008-0885.html
    http://www.securityfocus.com/bid/31515
    http://www.ubuntu.com/usn/usn-659-1
    https://bugzilla.redhat.com/show_bug.cgi?id=461082
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10053

    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