National Cyber Awareness System
Vulnerability Summary for CVE-2009-2692
Original release date:08/14/2009
Last revised:10/23/2012
Source:
US-CERT/NIST
Overview
The Linux kernel 2.6.0 through 2.6.30.4, and 2.4.4 through 2.4.37.4, does not initialize all function pointers for socket operations in proto_ops structures, which allows local users to trigger a NULL pointer dereference and gain privileges by using mmap to map page zero, placing arbitrary code on this page, and then invoking an unavailable operation, as demonstrated by the sendpage operation (sock_sendpage function) on a PF_PPPOX socket.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
10.0
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Provides administrator access, Allows complete confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service
Official Statement from Red Hat (09/14/2009)
Red Hat is aware of this issue. Please see http://kbase.redhat.com/faq/docs/DOC-18065.
Updates for Red Hat Enterprise Linux 3, 4, 5, and Red Hat Enterprise MRG to correct this issue are available: https://rhn.redhat.com/cve/CVE-2009-2692.html
References to Advisories, Solutions, and Tools
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External Source: VUPEN
Name: ADV-2009-2272
Type: Advisory; Patch Information
External Source: CONFIRM
Name: https://issues.rpath.com/browse/RPL-3103
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=516949
External Source: MISC
Name: http://zenthought.org/content/file/android-root-2009-08-16-source
External Source: VUPEN
Name: ADV-2009-3316
Type: Advisory
External Source: CONFIRM
Name: http://www.vmware.com/security/advisories/VMSA-2009-0016.html
External Source: BID
Name: 36038
External Source: BUGTRAQ
Name: 20100625 VMSA-2010-0010 ESX 3.5 third party update for Service Console kernel
External Source: BUGTRAQ
Name: 20091120 VMSA-2009-0016 VMware vCenter and ESX update release and vMA patch release address multiple security issue in third party components
External Source: BUGTRAQ
Name: 20090818 rPSA-2009-0121-1 kernel open-vm-tools
External Source: BUGTRAQ
Name: 20090813 Linux NULL pointer dereference due to incorrect proto_ops initializations
External Source: REDHAT
Name: RHSA-2009:1233
External Source: MLIST
Name: [oss-security] 20090814 CVE-2009-2692 kernel: uninit op in SOCKOPS_WRAP() leads to privesc
External Source: MANDRIVA
Name: MDVSA-2009:233
External Source: CONFIRM
Name: http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.31-rc6
Type: Advisory
External Source: CONFIRM
Name: http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.30.5
Type: Advisory
External Source: CONFIRM
Name: http://www.kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.37.5
Type: Advisory
External Source: EXPLOIT-DB
Name: 19933
External Source: DEBIAN
Name: DSA-1865
External Source: CONFIRM
Name: http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0121
External Source: CONFIRM
Name: http://support.avaya.com/css/P8/documents/100067254
External Source: SECUNIA
Name: 37471
Type: Advisory
External Source: SECUNIA
Name: 37298
Type: Advisory
External Source: SECUNIA
Name: 36430
Type: Advisory
External Source: SECUNIA
Name: 36327
Type: Advisory
External Source: SECUNIA
Name: 36289
Type: Advisory
External Source: SECUNIA
Name: 36278
Type: Advisory
External Source: REDHAT
Name: RHSA-2009:1223
External Source: REDHAT
Name: RHSA-2009:1222
External Source: OVAL
Name: oval:org.mitre.oval:def:8657
External Source: OVAL
Name: oval:org.mitre.oval:def:11591
External Source: OVAL
Name: oval:org.mitre.oval:def:11526
External Source: SUSE
Name: SUSE-SR:2009:015
External Source: MISC
Name: http://grsecurity.net/~spender/wunderbar_emporium.tgz
External Source: CONFIRM
Name: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e694958388c50148389b0e9b9e9e8945cf0f1b98
External Source: CONFIRM
Name: http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.4.37.y.git;a=commit;h=c18d0fe535a73b219f960d1af3d0c264555a12e3
External Source: MISC
Name: http://blog.cr0.org/2009/08/linux-null-pointer-dereference-due-to.html
External Source: FULLDISC
Name: 20090813 Linux NULL pointer dereference due to incorrect proto_ops initializations
References to Check Content
Identifier:oval:org.mitre.oval:def:11526
Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5
Identifier:oval:org.mitre.oval:def:11591
Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5
Identifier:oval:org.mitre.oval:def:8657
Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5
