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Last updated: 4/24/2014

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Vulnerability Summary for CVE-2007-4997

Original release date: 11/06/2007
Last revised: 03/07/2011
Source: US-CERT/NIST

Overview

Integer underflow in the ieee80211_rx function in net/ieee80211/ieee80211_rx.c in the Linux kernel 2.6.x before 2.6.23 allows remote attackers to cause a denial of service (crash) via a crafted SKB length value in a runt IEEE 802.11 frame when the IEEE80211_STYPE_QOS_DATA flag is set, aka an "off-by-two error."

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.1 (HIGH) (AV:N/AC:M/AU:N/C:N/I:N/A:C) (legend)
Impact Subscore: 6.9
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows disruption of service

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External Source: SECUNIA
Name: 27555
External Source: BID
Name: 26337
External Source: UBUNTU
Name: USN-558-1
External Source: UBUNTU
Name: USN-578-1
External Source: MANDRIVA
Name: MDKSA-2007:226
External Source: XF
Name: kernel-ieee80211-dos(38247)
External Source: SUSE
Name: SUSE-SA:2007:059
External Source: MANDRIVA
Name: MDVSA-2008:105
External Source: SECUNIA
Name: 28971
External Source: REDHAT
Name: RHSA-2007:1104
External Source: SUSE
Name: SUSE-SA:2008:006
External Source: MANDRIVA
Name: MDVSA-2008:008
External Source: SECUNIA
Name: 27824
External Source: UBUNTU
Name: USN-574-1
External Source: SECUNIA
Name: 28033
External Source: VUPEN
Name: ADV-2007-3718
External Source: SECUNIA
Name: 28806
External Source: SECUNIA
Name: 27912
External Source: SECUNIA
Name: 27614
External Source: SUSE
Name: SUSE-SA:2007:064
External Source: MANDRIVA
Name: MDKSA-2007:232
External Source: CONFIRM
Name: http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.23
Type: Patch Information
External Source: OVAL
Name: oval:org.mitre.oval:def:10596
External Source: MISC
Name: http://git.kernel.org/?p=linux/kernel/git/avi/kvm.git;a=commitdiff;h=04045f98e0457aba7d4e6736f37eed189c48a5f7
External Source: SECUNIA
Name: 28170
External Source: SECUNIA
Name: 28162
External Source: REDHAT
Name: RHSA-2007:0993
External Source: DEBIAN
Name: DSA-1428
External Source: CONFIRM
Name: ftp://ftp.kernel.org/pub/linux/kernel/people/bunk/linux-2.6.16.y/testing/ChangeLog-2.6.16.57-rc1
External Source: SECUNIA
Name: 28706

References to Check Content

Identifier: oval:org.mitre.oval:def:10596
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

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