CVE-2016-9794

HIGH

Linux Kernel < 3.2.85 - Race Condition

Title source: rule
STIX 2.1

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 (15)

Core 15
Core References
Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00072.html
Third Party Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2016-2574.html
Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00062.html
Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00075.html
Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00081.html
Mailing List, Patch mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/12/03/2
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/94654
Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00091.html
Issue Tracking x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1401494
Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00057.html
Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00088.html
Issue Tracking x_refsource_confirm
https://patchwork.kernel.org/patch/8752621/
Third Party Advisory x_refsource_confirm
https://source.android.com/security/bulletin/2017-05-01

Scores

CVSS v3 7.8
EPSS 0.0005
EPSS Percentile 16.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-362 CWE-416
Status published
Products (1)
linux/linux_kernel < 3.2.85
Published Dec 28, 2016
Tracked Since Feb 18, 2026