CVE-2008-3686 Null dereference in n/a

What is CVE-2008-3686?

CVE-2008-3686 is a medium-severity vulnerability in Linux kernel, published on 14 Aug 2008. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The rt6_fill_node function in net/ipv6/route.c in Linux kernel 2.6.26-rc4, 2.6.26.2, and possibly other 2.6.26 versions, allows local users to cause a denial of service (kernel OOPS) via IPv6 requests when no IPv6 input device is in use, which triggers a NULL pointer dereference.

Weakness: CWE-399

Which versions are affected by CVE-2008-3686?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2008-3686?

No fix has been published for CVE-2008-3686 yet. Limit exposure of the affected software until one is available.

Is CVE-2008-3686 being exploited?

There is no known exploitation of CVE-2008-3686 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-wwwq-6cv7-vm56.