CVE-2003-0461: n/a vulnerability

CVE-2003-0461: /proc/tty/driver/serial in Linux 2.4.x reveals the exact number of characters used in serial links, which c...

/proc/tty/driver/serial in Linux 2.4.x reveals the exact number of characters used in serial links, which could allow local users to obtain potentially sensitive information such as the length of passwords.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 8, 2024, 01:58 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2003-0461 is a local information leak in Linux 2.4.x. The /proc/tty/driver/serial interface exposed exact serial-link character counts, which could help a local user infer sensitive details such as password length. The source bundle does not show remote exploitation, active exploitation, or a CVSS score. Exposure is most likely limited to legacy systems still running Linux 2.4.x with local shell users and serial links in use. Modern systems are unlikely to be affected unless they retain vulnerable 2.4-era kernels or vendor backports without the relevant advisory fixes. Treat this as a legacy exposure issue. It is not shown as actively exploited, but any remaining Linux 2.4.x system is operationally risky. Prioritize remediation where local users, shared administration, or serial authentication paths exist. Mitigation focus: Inventory Linux 2.4.x systems and prioritize any with local multi-user access.; Review Red Hat and Debian advisories for applicable kernel updates.; Apply vendor-provided kernel fixes where available for the deployed distribution..

Prepared: Jun 30, 2026, 09:31 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jul 25, 2003, 04:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
oval:org.mitre.oval:def:304CVE reference · vdb-entry, signature
oval:org.mitre.oval:def:997CVE reference · vdb-entry, signature
oval:org.mitre.oval:def:9330CVE reference · vdb-entry, signature

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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