CVE-2016-9794

high

Description

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.

References

Advisories
More

https://source.android.com/security/bulletin/2017-05-01

http://www.securityfocus.com/bid/94654

http://rhn.redhat.com/errata/RHSA-2016-2574.html

http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00091.html

http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00088.html

http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00081.html

http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00075.html

http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00072.html

http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00062.html

http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00057.html

https://patchwork.kernel.org/patch/8752621/

https://github.com/torvalds/linux/commit/3aa02cb664c5fb1042958c8d1aa8c35055a2ebc4

https://bugzilla.redhat.com/show_bug.cgi?id=1401494

http://www.openwall.com/lists/oss-security/2016/12/03/2

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3aa02cb664c5fb1042958c8d1aa8c35055a2ebc4

Details

Source: Mitre, NVD

Published: 2016-12-28

Updated: 2025-04-12

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00054