---
cve: "CVE-2016-9794"
severity: "LOW"
cvss: 3.1
epss: "33%"
vendor: "n/a"
kev: false
exploited: false
published: "2016-12-28 07:59:00"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-14T11:18:01+02:00"
---

# CVE-2016-9794

> 3.1 LOW · 🧪 PoC

## Beschreibung

Race condition in the snd_pcm_period_elapsed function in sound/core/pcm_lib.c in the ALSA subsystem in the Linux kernel before 4.7 allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a crafted SNDRV_PCM_TRIGGER_START command.

## Referenzen

- <https://bugzilla.redhat.com/show_bug.cgi?id=1401494>
- <http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00057.html>
- <http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00088.html>
- <https://patchwork.kernel.org/patch/8752621/>
- <https://source.android.com/security/bulletin/2017-05-01>
- <http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00072.html>
- <http://rhn.redhat.com/errata/RHSA-2016-2574.html>
- <http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00062.html>
- <http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00075.html>
- <http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00081.html>
- <http://www.openwall.com/lists/oss-security/2016/12/03/2>
- <https://github.com/torvalds/linux/commit/3aa02cb664c5fb1042958c8d1aa8c35055a2ebc4>
- <http://www.securityfocus.com/bid/94654>
- <http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3aa02cb664c5fb1042958c8d1aa8c35055a2ebc4>
- <http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00091.html>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2016-9794) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_