CVE-2007-1497 Security feature bypass in n/a

What is CVE-2007-1497?

CVE-2007-1497 is a medium-severity vulnerability in Linux kernel, published on 16 Mar 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

nf_conntrack in netfilter in the Linux kernel before 2.6.20.3 does not set nfctinfo during reassembly of fragmented packets, which leaves the default value as IP_CT_ESTABLISHED and might allow remote attackers to bypass certain rulesets using IPv6 fragments.

Which versions are affected by CVE-2007-1497?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2007-1497?

Upgrade to a fixed version.

Is CVE-2007-1497 being exploited?

There is no known exploitation of CVE-2007-1497 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-9499-r8hj-4cg4.