Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 2.6.35.4 |
| Canonical | Ubuntu Linux | 6.06 |
| Suse | Suse Linux Enterprise Desktop | 11 |
| Suse | Suse Linux Enterprise Server | 11 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00003.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.htmlMailing ListThird Party Advisory
- http://secunia.com/advisories/41263Broken Link
- http://securitytracker.com/id?1024384Third Party AdvisoryVDB Entry
- http://twitter.com/taviso/statuses/22777866582Third Party Advisory
- http://www.openwall.com/lists/oss-security/2010/09/02/1Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/42932Third Party AdvisoryVDB 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=627440ExploitIssue TrackingPatch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/61557Third Party AdvisoryVDB Entry
- http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00003.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.htmlMailing ListThird Party Advisory
- http://secunia.com/advisories/41263Broken Link
- http://securitytracker.com/id?1024384Third Party AdvisoryVDB Entry
FAQ
What is CVE-2010-2960?
CVE-2010-2960 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 denia...
How severe is CVE-2010-2960?
CVE-2010-2960 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2010-2960?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Canonical Ubuntu Linux, Suse Suse Linux Enterprise Desktop, Suse Suse Linux Enterprise Server.