CVE-2007-1496: nfnetlink_log in netfilter in the Linux kernel before 2.6.20.3 allows attackers to cause a denial of servic...

Security readout for executives and security teams

This is an old Linux kernel denial-of-service flaw. Under unspecified conditions involving netfilter logging and bridged packets, an attacker could trigger a kernel crash. The main business risk is outage on legacy systems that still run vulnerable kernels, not confirmed data theft or code execution. Exposure is most likely on legacy Linux hosts running kernels before 2.6.20.3, especially where netfilter nfnetlink_log and bridging are used. The source bundle does not provide exact affected distribution package ranges, so vendor advisories should be checked for each platform. Treat this as a legacy infrastructure risk. It is unlikely to matter on current supported Linux builds, but any exposed or business-critical system still running affected kernels should be remediated because the failure mode is a crash. Mitigation focus: Upgrade affected Linux kernels to a fixed vendor-supported version.; Use vendor advisories to identify exact patched distribution packages.; Prioritize systems that perform packet filtering, logging, or bridging..

Prepared

Jun 29, 2026, 06:52 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.