How severe is CVE-2003-0464?

CVE-2003-0464 has a CVSS 2.0 base score of 4.6, rated medium severity.

Is CVE-2003-0464 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-0464?

CVE-2003-0464 primarily affects Redhat Linux. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2003-0464?

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

When was CVE-2003-0464 published?

CVE-2003-0464 was published on 2003-08-27 and last updated on 2026-06-16.

CVE-2003-0464

CVE-2003-0464 is a medium-severity vulnerability in Redhat Linux with a CVSS 2.0 base score of 4.6. 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 4.6)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Redhat Linux
Published: 2003-08-27
Last modified: 2026-06-16

Description

The RPC code in Linux kernel 2.4 sets the reuse flag when sockets are created, which could allow local users to bind to UDP ports that are used by privileged services such as nfsd.

Frequently asked questions

What is CVE-2003-0464?: The RPC code in Linux kernel 2.4 sets the reuse flag when sockets are created, which could allow local users to bind to UDP ports that are used by privileged services such as nfsd.
How severe is CVE-2003-0464?: CVE-2003-0464 has a CVSS 2.0 base score of 4.6, rated medium severity.
Is CVE-2003-0464 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0464?: CVE-2003-0464 primarily affects Redhat Linux. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0464?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-0464 published?: CVE-2003-0464 was published on 2003-08-27 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:o:redhat:linux:7.1:*:*:*:*:*:*:*
cpe:2.3:o:redhat:linux:7.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:linux:7.3:*:*:*:*:*:*:*
cpe:2.3:o:redhat:linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:linux:9.0:*:*:*:*:*:*:*

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