FKIE_CVE-2018-7995

Vulnerability from fkie_nvd - Published: 2018-03-09 15:29 - Updated: 2026-06-17 02:04
Severity
4.7 (Medium) - CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
Race condition in the store_int_with_restart() function in arch/x86/kernel/cpu/mcheck/mce.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service (panic) by leveraging root access to write to the check_interval file in a /sys/devices/system/machinecheck/machinecheck<cpu number> directory. NOTE: a third party has indicated that this report is not security relevant
References
cve@mitre.orghttp://www.securityfocus.com/bid/103356Third Party Advisory, VDB Entry
cve@mitre.orghttps://bugzilla.suse.com/show_bug.cgi?id=1084755Issue Tracking, Third Party Advisory
cve@mitre.orghttps://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=b3b7c4795ccab5be71f080774c45bbbcc75c2aafPatch, Vendor Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlThird Party Advisory
cve@mitre.orghttps://lkml.org/lkml/2018/3/2/970Patch, Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3654-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3654-2/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3656-1/Third Party Advisory
cve@mitre.orghttps://www.debian.org/security/2018/dsa-4187Third Party Advisory
cve@mitre.orghttps://www.debian.org/security/2018/dsa-4188Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/103356Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.suse.com/show_bug.cgi?id=1084755Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=b3b7c4795ccab5be71f080774c45bbbcc75c2aafPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lkml.org/lkml/2018/3/2/970Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3654-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3654-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3656-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2018/dsa-4187Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2018/dsa-4188Third Party Advisory
Impacted products
Vendor Product Version
linux linux_kernel *
canonical ubuntu_linux 14.04
canonical ubuntu_linux 16.04
debian debian_linux 7.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
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              "matchCriteriaId": "87875BCC-05C4-4C72-AB6B-5FD9E4E74521",
              "versionEndIncluding": "4.15.7",
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            }
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  "cveTags": [
    {
      "sourceIdentifier": "cve@mitre.org",
      "tags": [
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    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Race condition in the store_int_with_restart() function in arch/x86/kernel/cpu/mcheck/mce.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service (panic) by leveraging root access to write to the check_interval file in a /sys/devices/system/machinecheck/machinecheck\u003ccpu number\u003e directory. NOTE: a third party has indicated that this report is not security relevant"
    },
    {
      "lang": "es",
      "value": "** EN DISPUTA ** Condici\u00f3n de carrera en la funci\u00f3n store_int_with_restart() en arch/x86/kernel/cpu/mcheck/mce.c en el kernel de Linux hasta la versi\u00f3n 4.15.7 permite que los usuarios locales provoquen una denegaci\u00f3n de servicio (p\u00e1nico) aprovech\u00e1ndose del acceso root de escritura en el archivo check_interval en un directorio /sys/devices/system/machinecheck/machinecheck\u003cn\u00famero de cpu\u003e  NOTA: un tercero ha indicado que este informe no es relevante para la seguridad:"
    }
  ],
  "id": "CVE-2018-7995",
  "lastModified": "2026-06-17T02:04:02.720",
  "metrics": {
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        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 4.7,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.4,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
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          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 4.7,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
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      }
    ],
    "ssvcV203": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2018-7995",
          "options": [
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              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-06-18T19:22:32.395652Z",
          "version": "2.0.3"
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  },
  "published": "2018-03-09T15:29:00.407",
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          "value": "CWE-362"
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      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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