fkie_cve-2018-14656
Vulnerability from fkie_nvd
Published
2018-10-08 22:29
Modified
2024-11-21 03:49
Severity ?
7.0 (High) - CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
5.5 (Medium) - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
A missing address check in the callers of the show_opcodes() in the Linux kernel allows an attacker to dump the kernel memory at an arbitrary kernel address into the dmesg log.
References
secalert@redhat.comhttp://www.securitytracker.com/id/1041804Third Party Advisory, VDB Entry
secalert@redhat.comhttps://bugs.chromium.org/p/project-zero/issues/detail?id=1650Issue Tracking, Patch, Third Party Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14656Issue Tracking, Patch, Third Party Advisory
secalert@redhat.comhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=342db04ae71273322f0011384a9ed414df8bdae4Patch, Third Party Advisory
secalert@redhat.comhttps://lore.kernel.org/lkml/20180828154901.112726-1-jannh%40google.com/T/
secalert@redhat.comhttps://seclists.org/oss-sec/2018/q4/9Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1041804Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://bugs.chromium.org/p/project-zero/issues/detail?id=1650Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14656Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=342db04ae71273322f0011384a9ed414df8bdae4Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lore.kernel.org/lkml/20180828154901.112726-1-jannh%40google.com/T/
af854a3a-2127-422b-91ae-364da2661108https://seclists.org/oss-sec/2018/q4/9Mailing List, Patch, Third Party Advisory
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel 4.19


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
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              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "BE69AFDA-4DBC-418E-A3F1-C4D94DF307D0",
              "versionEndIncluding": "4.18",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:4.19:rc1:*:*:*:*:*:*",
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A missing address check in the callers of the show_opcodes() in the Linux kernel allows an attacker to dump the kernel memory at an arbitrary kernel address into the dmesg log."
    },
    {
      "lang": "es",
      "value": "La falta de una comprobaci\u00f3n de direcciones en los llamantes de show_opcodes() en el kernel de Linux permite que un atacante vuelque la memoria del kernel en una direcci\u00f3n arbitraria del kernel en el registro dmesg."
    }
  ],
  "id": "CVE-2018-14656",
  "lastModified": "2024-11-21T03:49:31.400",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 2.1,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
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        "type": "Secondary"
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          "attackVector": "LOCAL",
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          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
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          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.0"
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        "impactScore": 3.6,
        "source": "nvd@nist.gov",
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  "published": "2018-10-08T22:29:00.267",
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  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
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          "value": "CWE-20"
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      "source": "nvd@nist.gov",
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  ]
}


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