CVE-2003-0461

What it is

/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.

At a glance

Exploitability

Can be exploited locally on the machine without logging in. Limited direct impact.

Exploit odds

0.4% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2003-08-27 04:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 22:02 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.4% in the next 30 days (EPSS).
• Severity: 2.1 LOW (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2003-08-27 04:00 UTC

Last modified

2026-06-16 22:02 UTC

Exploit probability

0.4% · EPSS, next 30 days

Record status

Modified

Affected

• Redhat Linux 7.1
• Redhat Linux 7.2
• Redhat Linux 7.3
• Redhat Linux 8.0
• Redhat Linux 9.0

Attack profile CVSS 2.0 · 2.1

Attack vector

Local

Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2003-0461.md and follow it. Check whether this project is affected by CVE-2003-0461. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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