How severe is CVE-2003-0244?

CVE-2003-0244 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2003-0244 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-0244?

CVE-2003-0244 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2003-0244?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2003-0244 published?

CVE-2003-0244 was published on 2003-05-27 and last updated on 2026-06-16.

CVE-2003-0244

CVE-2003-0244 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Linux Linux Kernel
Published: 2003-05-27
Last modified: 2026-06-16

Description

The route cache implementation in Linux 2.4, and the Netfilter IP conntrack module, allows remote attackers to cause a denial of service (CPU consumption) via packets with forged source addresses that cause a large number of hash table collisions.

Frequently asked questions

What is CVE-2003-0244?: The route cache implementation in Linux 2.4, and the Netfilter IP conntrack module, allows remote attackers to cause a denial of service (CPU consumption) via packets with forged source addresses that cause a large number of hash table collisions.
How severe is CVE-2003-0244?: CVE-2003-0244 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2003-0244 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0244?: CVE-2003-0244 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2003-0244?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-0244 published?: CVE-2003-0244 was published on 2003-05-27 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:linux:linux_kernel:2.4.0:*:*:*:*:*:*:*

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