National Cyber-Alert System
Vulnerability Summary for CVE-2007-4567
Original release date:12/21/2007
Last revised:09/05/2008
Source:
US-CERT/NIST
Overview
Linux kernel 2.6.22 and earlier, and possibly other versions, does not properly validate the hop-by-hop IPv6 extended header, which allows remote attackers to cause a denial of service (kernel panic) via a crafted IPv6 packet.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
6.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown
- Official Statement from Red Hat (12/21/2007)
-
Not vulnerable. This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.
Please note this issue only affected Linux kernel versions after 2.6.20 and was fixed in 2.6.22-rc1.
References to Advisories, Solutions, and Tools
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External Source: UBUNTU
Name: USN-558-1
External Source: XF
Name: linux-kernel-ipv6-dos(39171)
External Source: UBUNTU
Name: USN-574-1
External Source: BID
Name: 26943
External Source: SECUNIA
Name: 28706
External Source: SECUNIA
Name: 28170