CVE-2004-2731

4.4 MEDIUM 0.6% exploit odds Fix listed

What it is

Multiple integer overflows in Sbus PROM driver (drivers/sbus/char/openprom.c) for the Linux kernel 2.4.x up to 2.4.27, 2.6.x up to 2.6.7, and possibly later versions, allow local users to execute arbitrary code by specifying (1) a small buffer size to the copyin_string function or (2) a negative buffer size to the copyin function.

At a glance

Exploitability: Can be exploited locally on the machine without logging in. Limited direct impact.
Exploit odds: 0.6% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2004-12-31 05:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 22:10 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.6% in the next 30 days (EPSS).
Severity: 4.4 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2004-12-31 05:00 UTC
Last modified: 2026-06-16 22:10 UTC
Exploit probability: 0.6% · EPSS, next 30 days
Weakness: CWE-189
Record status: Modified

Affected

Linux Kernel 2.4.0
Linux Kernel 2.4.1
Linux Kernel 2.4.2
Linux Kernel 2.4.3
Linux Kernel 2.4.4
Linux Kernel 2.4.5
Linux Kernel 2.4.6
Linux Kernel 2.4.7

Attack profile CVSS 2.0 · 4.4

Attack vector: Local
Complexity: Medium
Authentication: None
Confidentiality: Partial
Integrity: Partial
Availability: Partial

Raw vector

AV:L/AC:M/Au:N/C:P/I:P/A:P

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-2004-2731.md and follow it. Check whether this project is affected by CVE-2004-2731. 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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Fix and advisories

References

NVD record · CVE.org record