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National Cyber-Alert System

Vulnerability Summary for CVE-2006-5749

Original release date:12/31/2006
Last revised:09/05/2008
Source: US-CERT/NIST

Overview

The isdn_ppp_ccp_reset_alloc_state function in drivers/isdn/isdn_ppp.c in the Linux 2.4 kernel before 2.4.34-rc4 does not call the init_timer function for the ISDN PPP CCP reset state timer, which has unknown attack vectors and results in a system crash.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:1.7 (LOW) (AV:L/AC:L/Au:S/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.1
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Required to exploit
Impact Type:Allows disruption of serviceUnknown

Vendor Statments (disclaimer)

Official Statement from Red Hat (03/14/2007)
Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.

References to Advisories, Solutions, and Tools

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External Source: SECUNIA
Name: 23529
Type: Patch Information
Hyperlink:http://secunia.com/advisories/23529
External Source: CONFIRM
Name: http://www.kernel.org/git/?p=linux/kernel/git/wtarreau/linux-2.4.git;a=commitdiff;h=05dca9b77f99d80cf615075624666106d5b61727
Hyperlink:http://www.kernel.org/git/?p=linux/kernel/git/wtarreau/linux-2.4.git;a=commitdiff;h=05dca9b77f99d80cf615075624666106d5b61727
External Source: CONFIRM
Name: http://kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.34
Hyperlink:http://kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.34
External Source: UBUNTU
Name: USN-416-1
Hyperlink:http://www.ubuntu.com/usn/usn-416-1
External Source: TRUSTIX
Name: 2007-0002
Hyperlink:http://www.trustix.org/errata/2007/0002/
External Source: BID
Name: 21883
Hyperlink:http://www.securityfocus.com/bid/21883
External Source: BID
Name: 21835
Hyperlink:http://www.securityfocus.com/bid/21835
External Source: BUGTRAQ
Name: 20070615 rPSA-2007-0124-1 kernel xen
Hyperlink:http://www.securityfocus.com/archive/1/471457
External Source: SUSE
Name: SUSE-SA:2007:035
Hyperlink:http://www.novell.com/linux/security/advisories/2007_35_kernel.html
External Source: SUSE
Name: SUSE-SA:2007:030
Hyperlink:http://www.novell.com/linux/security/advisories/2007_30_kernel.html
External Source: SUSE
Name: SUSE-SA:2007:021
Hyperlink:http://www.novell.com/linux/security/advisories/2007_21_kernel.html
External Source: SUSE
Name: SUSE-SA:2007:018
Hyperlink:http://www.novell.com/linux/security/advisories/2007_18_kernel.html
External Source: MANDRIVA
Name: MDKSA-2007:040
Hyperlink:http://www.mandriva.com/security/advisories?name=MDKSA-2007:040
External Source: MANDRIVA
Name: MDKSA-2007:025
Hyperlink:http://www.mandriva.com/security/advisories?name=MDKSA-2007:025
External Source: MANDRIVA
Name: MDKSA-2007:012
Hyperlink:http://www.mandriva.com/security/advisories?name=MDKSA-2007:012
External Source: SECUNIA
Name: 25691
Hyperlink:http://secunia.com/advisories/25691
External Source: SECUNIA
Name: 25683
Hyperlink:http://secunia.com/advisories/25683
External Source: SECUNIA
Name: 25226
Hyperlink:http://secunia.com/advisories/25226
External Source: SECUNIA
Name: 24547
Hyperlink:http://secunia.com/advisories/24547
External Source: SECUNIA
Name: 24100
Hyperlink:http://secunia.com/advisories/24100
External Source: SECUNIA
Name: 24098
Hyperlink:http://secunia.com/advisories/24098
External Source: SECUNIA
Name: 23752
Hyperlink:http://secunia.com/advisories/23752
External Source: SECUNIA
Name: 23609
Hyperlink:http://secunia.com/advisories/23609
External Source: MANDRIVA
Name: MDKSA-2007:040
Hyperlink:http://frontal2.mandriva.com/security/advisories?name=MDKSA-2007:040
External Source: MANDRIVA
Name: MDKSA-2007:025
Hyperlink:http://frontal2.mandriva.com/security/advisories?name=MDKSA-2007:025
External Source: MANDRIVA
Name: MDKSA-2007:012
Hyperlink:http://frontal2.mandriva.com/security/advisories?name=MDKSA-2007:012

Vulnerable software and versions

Nav control imageConfiguration 1
spacerNav control imageOR
spacerspacerNav control image* cpe:/o:linux:linux_kernel:2.4.34:rc3 and previous versions
* Denotes Vulnerable Software
* Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)
CVE Standard Vulnerability Entry:http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-5749