Is CVE-2009-2903 in the CISA KEV catalog?

No. CVE-2009-2903 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2009-2903?

CVE-2009-2903 has a CVSS v2 base score of 7.1 (HIGH).

What is the EPSS score for CVE-2009-2903?

CVE-2009-2903 has an EPSS score of 3.85% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2009-2903?

No published fix for CVE-2009-2903 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2009-2903

HIGHEPSS 89th pctl

7.1

CVSS v2

NVD

Description

Memory leak in the appletalk subsystem in the Linux kernel 2.4.x through 2.4.37.6 and 2.6.x through 2.6.31, when the appletalk and ipddp modules are loaded but the ipddp"N" device is not found, allows remote attackers to cause a denial of service (memory consumption) via IP-DDP datagrams.

CWE-772

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

3.85%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Third-Party Advisory14

Other references1

git.kernel.org

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.