CVE-2007-6694

What it is

The chrp_show_cpuinfo function (chrp/setup.c) in Linux kernel 2.4.21 through 2.6.18-53, when running on PowerPC, might allow local users to cause a denial of service (crash) via unknown vectors that cause the of_get_property function to fail, which triggers a NULL pointer dereference.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of service disruption.

Exploit odds

2.6% chance of exploitation in the next 30 days (EPSS).

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2008-01-29 20:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 22:48 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 2.6% in the next 30 days (EPSS).
• Severity: 7.8 HIGH (CVSS).
• Fix: none linked yet, which raises it.

Details

Published

2008-01-29 20:00 UTC

Last modified

2026-06-16 22:48 UTC

Exploit probability

2.6% · EPSS, next 30 days

Weakness

CWE-399

Record status

Modified

Affected

• 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
• Linux Kernel 2.4.8
• Linux Kernel 2.4.9
• Linux Kernel 2.4.9_pre5

Attack profile CVSS 2.0 · 7.8

Attack vector

Network

Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

Is it in your code?

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