CVE-1999-0426

Name: CVE-1999-0426
Creator: NVD / NIST
Published: 1999-03-01T05:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 10.56%

Last modified Jun 16, 2026

CVE-1999-0426 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The default permissions of /dev/kmem in Linux versions before 2.0.36 allows IP spoofing.. EPSS estimates a 10.56% chance of exploitation in the next 30 days.

Description

The default permissions of /dev/kmem in Linux versions before 2.0.36 allows IP spoofing.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

10.56%

95.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-276

Affected Software

Vendor	Product	Versions
Suse	Suse Linux	6.0

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0426Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0426Third Party Advisory, VDB Entry

Timeline

Published: Mar 1, 1999
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-1999-0426?

The default permissions of /dev/kmem in Linux versions before 2.0.36 allows IP spoofing.

How severe is CVE-1999-0426?

CVE-1999-0426 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 10.56% probability of exploitation in the next 30 days.

How do I fix CVE-1999-0426?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-1999-0426?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST