CVE-2010-2960
HIGH severity · CVSS 7.8 · CWE-476
7.8CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)1%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00003.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.htmlAdvisory
- http://secunia.com/advisories/41263
- http://securitytracker.com/id?1024384Advisory
- http://twitter.com/taviso/statuses/22777866582Advisory
- http://www.openwall.com/lists/oss-security/2010/09/02/1Advisory
- http://www.securityfocus.com/bid/42932Advisory
- http://www.ubuntu.com/usn/USN-1000-1Advisory