FKIE_CVE-2014-4655

Vulnerability from fkie_nvd - Published: 2014-07-03 04:22 - Updated: 2026-06-17 00:10
Severity
Summary
The snd_ctl_elem_add function in sound/core/control.c in the ALSA control implementation in the Linux kernel before 3.15.2 does not properly maintain the user_ctl_count value, which allows local users to cause a denial of service (integer overflow and limit bypass) by leveraging /dev/snd/controlCX access for a large number of SNDRV_CTL_IOCTL_ELEM_REPLACE ioctl calls.
References
cve@mitre.orghttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=82262a46627bebb0febcc26664746c25cef08563
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.htmlMailing List, Third Party Advisory
cve@mitre.orghttp://rhn.redhat.com/errata/RHSA-2014-1083.htmlThird Party Advisory
cve@mitre.orghttp://secunia.com/advisories/59434Third Party Advisory
cve@mitre.orghttp://secunia.com/advisories/59777Third Party Advisory
cve@mitre.orghttp://secunia.com/advisories/60545Third Party Advisory
cve@mitre.orghttp://secunia.com/advisories/60564Third Party Advisory
cve@mitre.orghttp://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.2Release Notes, Vendor Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2014/06/26/6Mailing List, Third Party Advisory
cve@mitre.orghttp://www.securityfocus.com/bid/68162Third Party Advisory, VDB Entry
cve@mitre.orghttp://www.securitytracker.com/id/1036763Third Party Advisory, VDB Entry
cve@mitre.orghttp://www.ubuntu.com/usn/USN-2334-1Third Party Advisory
cve@mitre.orghttp://www.ubuntu.com/usn/USN-2335-1Third Party Advisory
cve@mitre.orghttps://bugzilla.redhat.com/show_bug.cgi?id=1113445Issue Tracking, Third Party Advisory
cve@mitre.orghttps://github.com/torvalds/linux/commit/82262a46627bebb0febcc26664746c25cef08563Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=82262a46627bebb0febcc26664746c25cef08563
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2014-1083.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/59434Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/59777Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/60545Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/60564Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.2Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2014/06/26/6Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/68162Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1036763Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-2334-1Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-2335-1Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1113445Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/82262a46627bebb0febcc26664746c25cef08563Patch, Third Party Advisory
Impacted products
Vendor Product Version
linux linux_kernel *
suse linux_enterprise_server 10
canonical ubuntu_linux 12.04
To clipboard 

{
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          "vendor": "n/a",
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  "cveTags": [],
  "descriptions": [
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      "lang": "en",
      "value": "The snd_ctl_elem_add function in sound/core/control.c in the ALSA control implementation in the Linux kernel before 3.15.2 does not properly maintain the user_ctl_count value, which allows local users to cause a denial of service (integer overflow and limit bypass) by leveraging /dev/snd/controlCX access for a large number of SNDRV_CTL_IOCTL_ELEM_REPLACE ioctl calls."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n snd_ctl_elem_add en sound/core/control.c en la implementaci\u00f3n del control ALSA en el kernel de Linux anterior a 3.15.2 no gestiona debidamente el valor user_ctl_count, lo que permite a usuarios locales causar una denegaci\u00f3n de servicio (desbordamiento de enteros y evadir el limite) mediante el aprovechamiento de acceso /dev/snd/controlCX para un numero largo de llamadas SNDRV_CTL_IOCTL_ELEM_REPLACE ioctl."
    }
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  "id": "CVE-2014-4655",
  "lastModified": "2026-06-17T00:10:24.713",
  "metrics": {
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        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 4.9,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
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  "published": "2014-07-03T04:22:15.937",
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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.



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.