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.

• CWE-476

• http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00003.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.htmlMailing List, Third Party Advisory
• http://secunia.com/advisories/41263Broken Link
• http://securitytracker.com/id?1024384Third Party Advisory, VDB Entry
• http://twitter.com/taviso/statuses/22777866582Third Party Advisory
• http://www.openwall.com/lists/oss-security/2010/09/02/1Mailing List, Third Party Advisory
• http://www.securityfocus.com/bid/42932Third Party Advisory, VDB Entry
• http://www.ubuntu.com/usn/USN-1000-1Third Party Advisory
• http://www.vupen.com/english/advisories/2011/0298Broken Link
• https://bugzilla.redhat.com/show_bug.cgi?id=627440Exploit, Issue Tracking, Patch, Third Party Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/61557Third Party Advisory, VDB Entry
• http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00003.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.htmlMailing List, Third Party Advisory
• http://secunia.com/advisories/41263Broken Link
• http://securitytracker.com/id?1024384Third Party Advisory, VDB Entry
• http://twitter.com/taviso/statuses/22777866582Third Party Advisory
• http://www.openwall.com/lists/oss-security/2010/09/02/1Mailing List, Third Party Advisory
• http://www.securityfocus.com/bid/42932Third Party Advisory, VDB Entry
• http://www.ubuntu.com/usn/USN-1000-1Third Party Advisory
• http://www.vupen.com/english/advisories/2011/0298Broken Link
• https://bugzilla.redhat.com/show_bug.cgi?id=627440Exploit, Issue Tracking, Patch, Third Party Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/61557Third Party Advisory, VDB Entry

Published

Sep 8, 2010

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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