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high7.8Public exploit code

CVE-2007-4567

The ipv6_hop_jumbo function in net/ipv6/exthdrs.c in the Linux kernel before 2.6.22 does not properly validate the hop-by-hop IPv6 extended header, which allow…

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

Impact

The ipv6_hop_jumbo function in net/ipv6/exthdrs.c in the Linux kernel before 2.6.22 does not properly validate the hop-by-hop IPv6 extended header, which allows remote attackers to cause a denial of service (NULL pointer dereference and kernel panic) via a crafted IPv6 packet.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
through 2.6.21.7
Versions 2.2.27, 2.4.36, 2.4.36.1, 2.4.36.2, 2.4.36.3

Weakness classification

References