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    CVE-2010-2960

    The keyctl_session_to_parent function in security/keys/keyctl.c in the Linux kernel 2.6.35.4 and earlier expects that a certain parent session keyring exists, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a KEYCTL_SESSION_TO_PARENT argument to the keyctl function.

    Published:Sep 2, 2010
    Last Modified:Apr 11, 2025
    EPS:Sep 8, 2010
    EPSS Score:0.001
    CVSS Score:7.8

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Suse
    Product
    Suse Linux Enterprise Desktop
    Vendor
    Suse
    Product
    Suse Linux Enterprise Server

    Exploits

    https://bugzilla.redhat.com/show_bug.cgi?id=627440https://bugzilla.redhat.com/show_bug.cgi?id=627440

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    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://lists.opensuse.org/opensuse-security-announce/2010-10/msg00003.html
    http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
    http://secunia.com/advisories/41263
    http://securitytracker.com/id?1024384
    http://twitter.com/taviso/statuses/22777866582
    http://www.openwall.com/lists/oss-security/2010/09/02/1
    http://www.securityfocus.com/bid/42932
    http://www.ubuntu.com/usn/USN-1000-1
    http://www.vupen.com/english/advisories/2011/0298
    https://bugzilla.redhat.com/show_bug.cgi?id=627440
    https://exchange.xforce.ibmcloud.com/vulnerabilities/61557
    http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00003.html
    http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
    http://secunia.com/advisories/41263
    http://securitytracker.com/id?1024384
    http://twitter.com/taviso/statuses/22777866582
    http://www.openwall.com/lists/oss-security/2010/09/02/1
    http://www.securityfocus.com/bid/42932
    http://www.ubuntu.com/usn/USN-1000-1
    http://www.vupen.com/english/advisories/2011/0298
    https://bugzilla.redhat.com/show_bug.cgi?id=627440
    https://exchange.xforce.ibmcloud.com/vulnerabilities/61557

    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