CVE-1999-0426

CVE-1999-0426 is a critical-severity vulnerability in Suse Suse Linux with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-276.

Key facts

Description

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

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 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-1999-0426 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0426?
CVE-1999-0426 affects Suse Suse Linux. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-0426?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-1999-0426 published?
CVE-1999-0426 was published on 1999-03-01 and last updated on 2026-06-16.

References

Affected products (1)

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