Vulnerability-Lookup

FKIE_CVE-2016-9794

Vulnerability from fkie_nvd - Published: 2016-12-28 07:59 - Updated: 2026-06-17 00:56

Severity

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

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

URL	Tags
cve@mitre.org	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3aa02cb664c5fb1042958c8d1aa8c35055a2ebc4	Patch, Vendor Advisory
cve@mitre.org	http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00057.html	Third Party Advisory
cve@mitre.org	http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00062.html	Third Party Advisory
cve@mitre.org	http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00072.html	Third Party Advisory
cve@mitre.org	http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00075.html	Third Party Advisory
cve@mitre.org	http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00081.html	Third Party Advisory
cve@mitre.org	http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00088.html	Third Party Advisory
cve@mitre.org	http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00091.html	Third Party Advisory
cve@mitre.org	http://rhn.redhat.com/errata/RHSA-2016-2574.html	Third Party Advisory
cve@mitre.org	http://www.openwall.com/lists/oss-security/2016/12/03/2	Mailing List, Patch
cve@mitre.org	http://www.securityfocus.com/bid/94654	Third Party Advisory, VDB Entry
cve@mitre.org	https://bugzilla.redhat.com/show_bug.cgi?id=1401494	Issue Tracking
cve@mitre.org	https://github.com/torvalds/linux/commit/3aa02cb664c5fb1042958c8d1aa8c35055a2ebc4	Patch, Vendor Advisory
cve@mitre.org	https://patchwork.kernel.org/patch/8752621/	Issue Tracking
cve@mitre.org	https://source.android.com/security/bulletin/2017-05-01	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3aa02cb664c5fb1042958c8d1aa8c35055a2ebc4	Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00057.html	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00062.html	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00072.html	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00075.html	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00081.html	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00088.html	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00091.html	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://rhn.redhat.com/errata/RHSA-2016-2574.html	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2016/12/03/2	Mailing List, Patch
af854a3a-2127-422b-91ae-364da2661108	http://www.securityfocus.com/bid/94654	Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108	https://bugzilla.redhat.com/show_bug.cgi?id=1401494	Issue Tracking
af854a3a-2127-422b-91ae-364da2661108	https://github.com/torvalds/linux/commit/3aa02cb664c5fb1042958c8d1aa8c35055a2ebc4	Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://patchwork.kernel.org/patch/8752621/	Issue Tracking
af854a3a-2127-422b-91ae-364da2661108	https://source.android.com/security/bulletin/2017-05-01	Third Party Advisory

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
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    }
  ],
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              "matchCriteriaId": "DE716976-6714-42AC-989C-CA9FE4B8E219",
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              "versionStartIncluding": "4.5",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    },
    {
      "lang": "es",
      "value": "Condici\u00f3n de carrera en la funci\u00f3n snd_pcm_period_elapsed en sound/core/pcm_lib.c en el subsistema de ALSA en el kernel de Linux en versiones anteriores a 4.7 permite a usuarios locales provocar una denegaci\u00f3n de servicio (uso despu\u00e9s de liberaci\u00f3n de memoria) o posiblemente tener otro impacto no especificado a trav\u00e9s de un comando SNDRV_PCM_TRIGGER_START manipulado."
    }
  ],
  "id": "CVE-2016-9794",
  "lastModified": "2026-06-17T00:56:33.250",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.2,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2016-12-28T07:59:00.603",
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    {
      "source": "cve@mitre.org",
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    {
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      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00062.html"
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  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        },
        {
          "lang": "en",
          "value": "CWE-416"
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      ],
      "source": "nvd@nist.gov",
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  ]
}

CVE-2016-9794 (GCVE-0-2016-9794)

Vulnerability from cvelistv5 – Published: 2016-12-28 07:42 – Updated: 2024-08-06 02:59

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

15 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1401494	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://patchwork.kernel.org/patch/8752621/	x_refsource_CONFIRM
https://source.android.com/security/bulletin/2017-05-01	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://rhn.redhat.com/errata/RHSA-2016-2574.html	vendor-advisoryx_refsource_REDHAT
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://www.openwall.com/lists/oss-security/2016/12/03/2	mailing-listx_refsource_MLIST
https://github.com/torvalds/linux/commit/3aa02cb6…	x_refsource_CONFIRM
http://www.securityfocus.com/bid/94654	vdb-entryx_refsource_BID
http://git.kernel.org/cgit/linux/kernel/git/torva…	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Date Public

2016-12-03 00:00

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

FKIE_CVE-2016-9794

CVE-2016-9794 (GCVE-0-2016-9794)

Tags

Sightings

Nomenclature

Related by attack behaviour