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CVE-2007-1861

MediumPublished

The nl_fib_lookup function in net/ipv4/fib_frontend.c in Linux Kernel before 2.6.20.8 allows attackers to cause a denial of service (kernel panic) via...

Published: May 7, 2007
Updated: Aug 7, 2024
Assigning CNA: redhat
Evidence observed: Apr 26, 2007

Primary CVSS

4.9/ 10Medium

nvd · CVSS 2.0

AV:L/AC:L/Au:N/C:N/I:N/A:C

EPSS probability estimate

1.0%

Low · next 30 days

Percentile: 61.5%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

The nl_fib_lookup function in net/ipv4/fib_frontend.c in Linux Kernel before 2.6.20.8 allows attackers to cause a denial of service (kernel panic) via NETLINK_FIB_LOOKUP replies, which trigger infinite recursion and a stack overflow.

Sources

Linux Kernel 2.6.x - NETLINK_FIB_LOOKUP Local Denial of ServiceExploit
Alexey Kuznetsov · linux · Apr 26, 2007

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