CVE-2004-0554

2.1 LOW 0.9% exploit odds No fix listed

What it is

Linux kernel 2.4.x and 2.6.x for x86 allows local users to cause a denial of service (system crash), possibly via an infinite loop that triggers a signal handler with a certain sequence of fsave and frstor instructions, as originally demonstrated using a "crash.c" program.

At a glance

Exploitability: Can be exploited locally on the machine without logging in. Limited direct impact.
Exploit odds: 0.9% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2004-08-06 04:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 22:05 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.9% in the next 30 days (EPSS).
Severity: 2.1 LOW (CVSS).
Fix: none linked yet, which raises it.

Details

Published: 2004-08-06 04:00 UTC
Last modified: 2026-06-16 22:05 UTC
Exploit probability: 0.9% · EPSS, next 30 days
Record status: Modified

Affected

Avaya Converged Communications Server 2.0
Avaya Modular Messaging Message Storage Server s3400
Gentoo Linux 1.4
Linux Kernel 2.4.18
Linux Kernel 2.4.19
Linux Kernel 2.4.21
Linux Kernel 2.4.22
Linux Kernel 2.4.23

Attack profile CVSS 2.0 · 2.1

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

Raw vector

AV:L/AC:L/Au:N/C:N/I:N/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-2004-0554.md and follow it. Check whether this project is affected by CVE-2004-0554. 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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References

NVD record · CVE.org record