CVE-2006-4572 Security feature bypass in n/a

What is CVE-2006-4572?

CVE-2006-4572 is a high-severity vulnerability in Linux kernel, published on 7 Nov 2006. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

ip6_tables in netfilter in the Linux kernel before 2.6.16.31 allows remote attackers to (1) bypass a rule that disallows a protocol, via a packet with the protocol header not located immediately after the fragment header, aka "ip6_tables protocol bypass bug;" and (2) bypass a rule that looks for a certain extension header, via a packet with an extension header outside the first fragment, aka "ip6_tables extension header bypass bug."

Weakness: CWE-264

Which versions are affected by CVE-2006-4572?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2006-4572?

No fix has been published for CVE-2006-4572 yet. Limit exposure of the affected software until one is available.

Is CVE-2006-4572 being exploited?

There is no known exploitation of CVE-2006-4572 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-8mrp-h85f-8x2g.