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CVE-2011-2184

Date: September 6, 2011

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.

Language: C

Severity Score

Related Resources (11)

http://www.openwall.com/lists/oss-security/2011/06/03/2
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.1
https://lkml.org/lkml/2011/5/23/199
http://securityreason.com/securityalert/8371
http://alt.swiecki.net/linux_kernel/sys_open-kmem_cache_alloc-2.6.39-rc4.txt
https://nvd.nist.gov/vuln/detail/CVE-2011-2184
https://lkml.org/lkml/2011/5/24/502
https://lkml.org/lkml/2011/5/25/265
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f7285b5d631fd6096b11c6af0058ed3a2b30ef4e
http://www.openwall.com/lists/oss-security/2011/06/06/2
https://www.mend.io/vulnerability-database/CVE-2011-2184

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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