vulnwire
7.8high

CVE-2016-9794

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 l…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.8
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
0.3%
percentile 27%
Public exploits
0
none known

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.

Exploit prediction (EPSS)

0.34% probability of exploitation in the next 30 days, higher than 27% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.17.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD2.07.2AV:L/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization
  • CWE-416 Use After Free
Technology feeds
Linux kernel (RSS, critical only)

References

  • bugzilla.redhat.com /show_bug.cgi?id=1401494 · x_refsource_CONFIRM, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-12/msg00057.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-12/msg00088.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • patchwork.kernel.org /patch/8752621/ · x_refsource_CONFIRM, x_transferred
  • source.android.com /security/bulletin/2017-05-01 · x_refsource_CONFIRM, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-12/msg00072.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-2574.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-12/msg00062.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-12/msg00075.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-12/msg00081.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • openwall.com /lists/oss-security/2016/12/03/2 · mailing-list, x_refsource_MLIST, x_transferred
  • github.com /torvalds/linux/commit/3aa02cb664c5fb1042958c8d1aa8c35055a2ebc4 · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/94654 · vdb-entry, x_refsource_BID, x_transferred
  • git.kernel.org /cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3aa02cb664c5fb1042958c8d1aa8c35055a2e · x_refsource_CONFIRM, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-12/msg00091.html · vendor-advisory, x_refsource_SUSE, x_transferred

Sources

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