CVE-2016-9794
HighRace 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.
CVSS 3.1 score
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type
CWE-362CVE-2016-9794 is a Race Condition vulnerability
What is Race Condition?
The product contains a code sequence that can run concurrently with other code, creating unexpected states. Learn more on MITRE CWE
References
The following references provide additional information about CVE-2016-9794 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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Third Party Advisory
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Third Party Advisory
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Third Party Advisory
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Third Party Advisory
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Third Party Advisory
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Third Party Advisory
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Third Party Advisory
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Third Party Advisory
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Securityfocushttp://www.securityfocus.com/bid/94654Third Party Advisory VDB Entry
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Issue Tracking
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Kernel.orghttps://patchwork.kernel.org/patch/8752621/Issue Tracking
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Third Party Advisory
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PatchKernel patch commithttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3aa02cb664c5fb1042958c8d1aa8c35055a2ebc4
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PatchKernel patch commithttp://www.openwall.com/lists/oss-security/2016/12/03/2
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PatchKernel patch commithttps://github.com/torvalds/linux/commit/3aa02cb664c5fb1042958c8d1aa8c35055a2ebc4
Frequently asked questions
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What is CVE-2016-9794?
CVE-2016-9794 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as a Race Condition flaw (CWE-362) . CVE-2016-9794 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2016-9794?
CVE-2016-9794 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. -
Is there a patch available for CVE-2016-9794?
No patch is currently available for CVE-2016-9794. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2016-9794 actively exploited?
No — CVE-2016-9794 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
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What is Race Condition (CWE-362)?
The product contains a code sequence that can run concurrently with other code, creating unexpected states. View CWE-362 on MITRE CWE →