CVE-2010-0453

What it is

The ucode_ioctl function in intel/io/ucode_drv.c in Sun Solaris 10 and OpenSolaris snv_69 through snv_133, when running on x86 architectures, allows local users to cause a denial of service (panic) via a request with a 0 size value to the UCODE_GET_VERSION IOCTL, which triggers a NULL pointer dereference in the ucode_get_rev function, related to retrieval of the microcode revision.

At a glance

Exploitability

Can be exploited locally on the machine without logging in. High risk of service disruption.

Exploit odds

0.8% chance of exploitation in the next 30 days (EPSS).

Fix

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

Timeline

1. 2010-02-03 18:30 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 23:16 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.8% in the next 30 days (EPSS).
• Severity: 4.9 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2010-02-03 18:30 UTC

Last modified

2026-06-16 23:16 UTC

Exploit probability

0.8% · EPSS, next 30 days

Weakness

CWE-20 · Improper input validation

Record status

Modified

Affected

• Sun Opensolaris snv_69
• Sun Opensolaris snv_70
• Sun Opensolaris snv_71
• Sun Opensolaris snv_72
• Sun Opensolaris snv_73
• Sun Opensolaris snv_74
• Sun Opensolaris snv_75
• Sun Opensolaris snv_76

Attack profile CVSS 2.0 · 4.9

Attack vector

Local

Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

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-2010-0453.md and follow it. Check whether this project is affected by CVE-2010-0453. 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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