Linux Kernel IPv6 Netfilter Connection Tracking Flaw Lets Remote Users Deny Service
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SecurityTracker Alert ID: 1027235 |
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SecurityTracker URL: http://securitytracker.com/id/1027235
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CVE Reference:
CVE-2012-2744
(Links to External Site)
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Date: Jul 10 2012
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Impact:
Denial of service via network
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 2.6.x
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Description:
A vulnerability was reported in the Linux Kernel. A remote user can cause denial of service conditions.
A remote user can send specially crafted packets to trigger a null pointer dereference in nf_ct_frag6_reasm() and cause the target system to crash.
Systems using IPv6 and also having the nf_conntrack_ipv6 kernel module loaded are affected.
An anonymous contributor reported this vulnerability via Beyond Security's SecuriTeam Secure Disclosure program.
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Impact:
A remote user can cause the target system to crash.
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Solution:
The vendor has issued a source code fix, available at:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=9e2dcf72023d1447f09c47d77c99b0c49659e5ce
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Vendor URL: www.kernel.org/ (Links to External Site)
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Cause:
Access control error, State error
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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[Original Message Not Available for Viewing]
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