FKIE_CVE-2016-10088

Vulnerability from fkie_nvd - Published: 2016-12-30 18:59 - Updated: 2026-06-17 00:39
Severity
7.0 (High) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
The sg implementation in the Linux kernel through 4.9 does not properly restrict write operations in situations where the KERNEL_DS option is set, which allows local users to read or write to arbitrary kernel memory locations or cause a denial of service (use-after-free) by leveraging access to a /dev/sg device, related to block/bsg.c and drivers/scsi/sg.c. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-9576.
References
security@debian.orghttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=128394eff343fc6d2f32172f03e24829539c5835Patch, Vendor Advisory
security@debian.orghttp://rhn.redhat.com/errata/RHSA-2017-0817.htmlThird Party Advisory
security@debian.orghttp://www.openwall.com/lists/oss-security/2016/12/30/1Mailing List, Third Party Advisory
security@debian.orghttp://www.securityfocus.com/bid/95169Third Party Advisory, VDB Entry
security@debian.orghttp://www.securitytracker.com/id/1037538Third Party Advisory, VDB Entry
security@debian.orghttps://access.redhat.com/errata/RHSA-2017:1842Third Party Advisory
security@debian.orghttps://access.redhat.com/errata/RHSA-2017:2077Third Party Advisory
security@debian.orghttps://access.redhat.com/errata/RHSA-2017:2669Third Party Advisory
security@debian.orghttps://github.com/torvalds/linux/commit/128394eff343fc6d2f32172f03e24829539c5835Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=128394eff343fc6d2f32172f03e24829539c5835Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2017-0817.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2016/12/30/1Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/95169Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1037538Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2017:1842Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2017:2077Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2017:2669Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/128394eff343fc6d2f32172f03e24829539c5835Patch, Vendor 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 *
linux linux_kernel *
To clipboard 

{
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    {
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          "vendor": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The sg implementation in the Linux kernel through 4.9 does not properly restrict write operations in situations where the KERNEL_DS option is set, which allows local users to read or write to arbitrary kernel memory locations or cause a denial of service (use-after-free) by leveraging access to a /dev/sg device, related to block/bsg.c and drivers/scsi/sg.c.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-9576."
    },
    {
      "lang": "es",
      "value": "La implementaci\u00f3n sg en el kernel Linux hasta la versi\u00f3n 4.9 no restringe correctamente operaciones de escritura en situaciones donde la opci\u00f3n KERNEL_DS est\u00e1 activa, lo que permite a usuarios locales leer o escribir a ubicacioes arbitrarias de memoria de kernel o provocar una denegaci\u00f3n de servicio (uso despues de liberaci\u00f3n) aprovechando el acceso al dispositivo /dev/sg, relacionado con block/bsg.c y drivers/scsi/sg.c. NOTA: esta vulnerabilidad existe debido a una reparaci\u00f3n incompleta de CVE-2016-9576."
    }
  ],
  "id": "CVE-2016-10088",
  "lastModified": "2026-06-17T00:39:02.120",
  "metrics": {
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        "baseSeverity": "MEDIUM",
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          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 6.9,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.4,
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        "obtainOtherPrivilege": false,
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  "published": "2016-12-30T18:59:00.130",
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}



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Sightings

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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.
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  • 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.



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