CVE-2003-0986

1.7 LOW 0.3% exploit odds Fix listed

What it is

Various routines for the ppc64 architecture on Linux kernel 2.6 prior to 2.6.2 and 2.4 prior to 2.4.24 do not use the copy_from_user function when copying data from userspace to kernelspace, which crosses security boundaries and allows local users to cause a denial of service.

At a glance

Exploitability: Can be exploited locally on the machine with a login. Limited direct impact.
Exploit odds: 0.3% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2003-12-31 05:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 22:03 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.3% in the next 30 days (EPSS).
Severity: 1.7 LOW (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2003-12-31 05:00 UTC
Last modified: 2026-06-16 22:03 UTC
Exploit probability: 0.3% · EPSS, next 30 days
Record status: Modified

Affected

Linux Kernel 2.4.0
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
Linux Kernel 2.4.23_ow2
Linux Kernel 2.4.24

Attack profile CVSS 2.0 · 1.7

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

Raw vector

AV:L/AC:L/Au:S/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-2003-0986.md and follow it. Check whether this project is affected by CVE-2003-0986. 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