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FKIE_CVE-2018-13406

Vulnerability from fkie_nvd - Published: 2018-07-06 14:29 - Updated: 2026-06-17 01:39
Severity
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
An integer overflow in the uvesafb_setcmap function in drivers/video/fbdev/uvesafb.c in the Linux kernel before 4.17.4 could result in local attackers being able to crash the kernel or potentially elevate privileges because kmalloc_array is not used.
References
cve@mitre.orghttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9f645bcc566a1e9f921bdae7528a01ced5bc3713Patch
cve@mitre.orghttp://www.securityfocus.com/bid/104685Third Party Advisory, VDB Entry
cve@mitre.orghttp://www.securitytracker.com/id/1041355Third Party Advisory, VDB Entry
cve@mitre.orghttps://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.17.4Release Notes
cve@mitre.orghttps://github.com/torvalds/linux/commit/9f645bcc566a1e9f921bdae7528a01ced5bc3713Patch
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2019/03/msg00017.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3752-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3752-2/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3752-3/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3753-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3753-2/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3754-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9f645bcc566a1e9f921bdae7528a01ced5bc3713Patch
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/104685Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1041355Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.17.4Release Notes
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/9f645bcc566a1e9f921bdae7528a01ced5bc3713Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2019/03/msg00017.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3752-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3752-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3752-3/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3753-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3753-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3754-1/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 *
canonical ubuntu_linux 14.04
canonical ubuntu_linux 16.04
canonical ubuntu_linux 18.04
debian debian_linux 8.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
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          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An integer overflow in the uvesafb_setcmap function in drivers/video/fbdev/uvesafb.c in the Linux kernel before 4.17.4 could result in local attackers being able to crash the kernel or potentially elevate privileges because kmalloc_array is not used."
    },
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      "value": "Un desbordamiento de enteros en la funci\u00f3n uvesafb_setcmap en drivers/video/fbdev/uvesafb.c en el kernel de Linux en versiones anteriores a la 4.17.4 podr\u00eda resultar en que los atacantes locales puedan cerrar inesperadamente el kernel o elevar privilegios debido a que no se emplea kmalloc_array."
    }
  ],
  "id": "CVE-2018-13406",
  "lastModified": "2026-06-17T01:39:21.727",
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        "baseSeverity": "HIGH",
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        "obtainAllPrivilege": false,
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  "published": "2018-07-06T14:29:01.287",
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}



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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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