Vulnerabilities > CVE-2011-2184 - NULL Pointer Dereference vulnerability in Linux Kernel
Attack vector
UNKNOWN Attack complexity
UNKNOWN Privileges required
UNKNOWN Confidentiality impact
UNKNOWN Integrity impact
UNKNOWN Availability impact
UNKNOWN Summary
The key_replace_session_keyring function in security/keys/process_keys.c in the Linux kernel before 2.6.39.1 does not initialize a certain structure member, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) or possibly have unspecified other impact via a KEYCTL_SESSION_TO_PARENT argument to the keyctl function, a different vulnerability than CVE-2010-2960.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- http://www.openwall.com/lists/oss-security/2011/06/03/2
- http://alt.swiecki.net/linux_kernel/sys_open-kmem_cache_alloc-2.6.39-rc4.txt
- https://lkml.org/lkml/2011/5/23/199
- http://www.openwall.com/lists/oss-security/2011/06/06/2
- https://lkml.org/lkml/2011/5/24/502
- https://lkml.org/lkml/2011/5/25/265
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.1
- http://securityreason.com/securityalert/8371
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f7285b5d631fd6096b11c6af0058ed3a2b30ef4e