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Last updated: 10/25/2014 4:43:18 PM

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Vulnerability Summary for CVE-2006-5749

Original release date: 12/31/2006
Last revised: 09/15/2010


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.


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 service

Vendor Statements (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.

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External Source: SECUNIA
Name: 25691
External Source: SUSE
Name: SUSE-SA:2007:030
External Source: MANDRIVA
Name: MDKSA-2007:012
External Source: CONFIRM
Name: http://kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.34
External Source: TRUSTIX
Name: 2007-0002
External Source: BUGTRAQ
Name: 20070615 rPSA-2007-0124-1 kernel xen
External Source: SUSE
Name: SUSE-SA:2007:035
External Source: MANDRIVA
Name: MDKSA-2007:025
External Source: SECUNIA
Name: 24100
External Source: SECUNIA
Name: 25683
External Source: SECUNIA
Name: 23609
External Source: UBUNTU
Name: USN-416-1
External Source: SUSE
Name: SUSE-SA:2007:021
External Source: SECUNIA
Name: 24547
External Source: SECUNIA
Name: 23529
Type: Patch Information
External Source: SUSE
Name: SUSE-SA:2007:018
External Source: SECUNIA
Name: 23752
External Source: SECUNIA
Name: 25226
External Source: BID
Name: 21883
External Source: BID
Name: 21835
External Source: CONFIRM
Name: http://www.kernel.org/git/?p=linux/kernel/git/wtarreau/linux-2.4.git;a=commitdiff;h=05dca9b77f99d80cf615075624666106d5b61727
External Source: SECUNIA
Name: 24098
External Source: MANDRIVA
Name: MDKSA-2007:040

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