National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2009-2844 Detail

Current Description

cfg80211 in net/wireless/scan.c in the Linux kernel 2.6.30-rc1 and other versions before 2.6.31-rc6 allows remote attackers to cause a denial of service (crash) via a sequence of beacon frames in which one frame omits an SSID Information Element (IE) and the subsequent frame contains an SSID IE, which triggers a NULL pointer dereference in the cmp_ies function. NOTE: a potential weakness in the is_mesh function was also addressed, but the relevant condition did not exist in the code, so it is not a vulnerability.

Source:  MITRE
Description Last Modified:  08/18/2009
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (08/19/2009)

Not vulnerable. This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 3, 4, 5 or Red Hat Enterprise MRG. Please note this issue only affected Linux kernel versions after v2.6.30-rc1 and was fixed in v2.6.31-rc6.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=cd3468bad96c00b5a512f551674f36776129520e Exploit
http://jon.oberheide.org/files/cfg80211-remote-dos.c Patch
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.30.5
http://www.openwall.com/lists/oss-security/2009/08/17/1 Patch
http://www.openwall.com/lists/oss-security/2009/08/17/2 Patch
http://www.securityfocus.com/bid/36052

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:linux:kernel:2.6.24.7:*:*:*:*:*:*:*
cpe:2.3:a:linux:kernel:2.6.25.15:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.0:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.8:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.9:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.11:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.12:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.11:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.12:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.13:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.14:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.15:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.16:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.17:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.18:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.19:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.20:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.21:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.22:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.23:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.24:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.25:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.26:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.27:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.28:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.29:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.30:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.31:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.31:-rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.31:-rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.31:-rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.31:-rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:-rc5:*:*:*:*:*:*    versions up to (including) 2.6.16.31

Denotes Vulnerable Software
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Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2009-2844
NVD Published Date:
08/18/2009
NVD Last Modified:
03/19/2012