fkie_cve-2018-20856
Vulnerability from fkie_nvd
Published
2019-07-26 05:15
Modified
2024-11-21 04:02
Summary
An issue was discovered in the Linux kernel before 4.18.7. In block/blk-core.c, there is an __blk_drain_queue() use-after-free because a certain error case is mishandled.
References
cve@mitre.orghttp://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
cve@mitre.orghttp://packetstormsecurity.com/files/154408/Kernel-Live-Patch-Security-Notice-LSN-0055-1.html
cve@mitre.orghttp://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2019:3055
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2019:3076
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2019:3089
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2019:3217
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2020:0100
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2020:0103
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2020:0543
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2020:0664
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2020:0698
cve@mitre.orghttps://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.7Mailing List, Release Notes, Vendor Advisory
cve@mitre.orghttps://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54648cf1ec2d7f4b6a71767799c45676a138ca24Mailing List, Patch, Vendor Advisory
cve@mitre.orghttps://github.com/torvalds/linux/commit/54648cf1ec2d7f4b6a71767799c45676a138ca24Patch, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2019/08/msg00017.html
cve@mitre.orghttps://seclists.org/bugtraq/2019/Aug/18
cve@mitre.orghttps://seclists.org/bugtraq/2019/Aug/26
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20190905-0002/
cve@mitre.orghttps://support.f5.com/csp/article/K14673240?utm_source=f5support&amp%3Butm_medium=RSS
cve@mitre.orghttps://usn.ubuntu.com/4094-1/
cve@mitre.orghttps://usn.ubuntu.com/4116-1/
cve@mitre.orghttps://usn.ubuntu.com/4118-1/
cve@mitre.orghttps://www.debian.org/security/2019/dsa-4497
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/154408/Kernel-Live-Patch-Security-Notice-LSN-0055-1.html
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:3055
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:3076
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:3089
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:3217
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2020:0100
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2020:0103
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2020:0543
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2020:0664
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2020:0698
af854a3a-2127-422b-91ae-364da2661108https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.7Mailing List, Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54648cf1ec2d7f4b6a71767799c45676a138ca24Mailing List, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/54648cf1ec2d7f4b6a71767799c45676a138ca24Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html
af854a3a-2127-422b-91ae-364da2661108https://seclists.org/bugtraq/2019/Aug/18
af854a3a-2127-422b-91ae-364da2661108https://seclists.org/bugtraq/2019/Aug/26
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20190905-0002/
af854a3a-2127-422b-91ae-364da2661108https://support.f5.com/csp/article/K14673240?utm_source=f5support&amp%3Butm_medium=RSS
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4094-1/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4116-1/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4118-1/
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2019/dsa-4497
Impacted products
Vendor Product Version
linux linux_kernel *



{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "92C6CD12-AE92-4AFB-91FA-F2A97F5537D8",
              "versionEndExcluding": "4.18.7",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in the Linux kernel before 4.18.7. In block/blk-core.c, there is an __blk_drain_queue() use-after-free because a certain error case is mishandled."
    },
    {
      "lang": "es",
      "value": "El servidor web en ZENworks Configuration Management (ZCM) de Novell  versi\u00f3n 10.3 y versi\u00f3n 11.2 anteriores a 11.2.4, no realiza apropiadamente la autenticaci\u00f3n para el archivo zenworks/jsp/index.jsp, lo que permite a los atacantes remotos realizar ataques de salto de directorio y en consecuencia cargar y ejecutar programas arbitrarios, por medio de una petici\u00f3n al puerto TCP 443."
    }
  ],
  "id": "CVE-2018-20856",
  "lastModified": "2024-11-21T04:02:19.420",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.6,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2019-07-26T05:15:10.517",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://packetstormsecurity.com/files/154408/Kernel-Live-Patch-Security-Notice-LSN-0055-1.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://access.redhat.com/errata/RHSA-2019:3055"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://access.redhat.com/errata/RHSA-2019:3076"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://access.redhat.com/errata/RHSA-2019:3089"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://access.redhat.com/errata/RHSA-2019:3217"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://access.redhat.com/errata/RHSA-2020:0100"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://access.redhat.com/errata/RHSA-2020:0103"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://access.redhat.com/errata/RHSA-2020:0543"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://access.redhat.com/errata/RHSA-2020:0664"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://access.redhat.com/errata/RHSA-2020:0698"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.7"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54648cf1ec2d7f4b6a71767799c45676a138ca24"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/torvalds/linux/commit/54648cf1ec2d7f4b6a71767799c45676a138ca24"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://seclists.org/bugtraq/2019/Aug/18"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://seclists.org/bugtraq/2019/Aug/26"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://security.netapp.com/advisory/ntap-20190905-0002/"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://support.f5.com/csp/article/K14673240?utm_source=f5support\u0026amp%3Butm_medium=RSS"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://usn.ubuntu.com/4094-1/"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://usn.ubuntu.com/4116-1/"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://usn.ubuntu.com/4118-1/"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://www.debian.org/security/2019/dsa-4497"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html"
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    {
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    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://access.redhat.com/errata/RHSA-2019:3076"
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://access.redhat.com/errata/RHSA-2019:3089"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://access.redhat.com/errata/RHSA-2019:3217"
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    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://access.redhat.com/errata/RHSA-2020:0100"
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    {
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    {
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://security.netapp.com/advisory/ntap-20190905-0002/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://support.f5.com/csp/article/K14673240?utm_source=f5support\u0026amp%3Butm_medium=RSS"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://usn.ubuntu.com/4094-1/"
    },
    {
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      "url": "https://usn.ubuntu.com/4116-1/"
    },
    {
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      "url": "https://usn.ubuntu.com/4118-1/"
    },
    {
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      "url": "https://www.debian.org/security/2019/dsa-4497"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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