gsd-2020-12657
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
An issue was discovered in the Linux kernel before 5.6.5. There is a use-after-free in block/bfq-iosched.c related to bfq_idle_slice_timer_body.
Aliases
Aliases
CVE-2020-12657


To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-12657",
    "description": "An issue was discovered in the Linux kernel before 5.6.5. There is a use-after-free in block/bfq-iosched.c related to bfq_idle_slice_timer_body.",
    "id": "GSD-2020-12657",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-12657.html",
      "https://access.redhat.com/errata/RHSA-2020:2669",
      "https://access.redhat.com/errata/RHSA-2020:2667",
      "https://access.redhat.com/errata/RHSA-2020:2567",
      "https://access.redhat.com/errata/RHSA-2020:2429",
      "https://access.redhat.com/errata/RHSA-2020:2428",
      "https://access.redhat.com/errata/RHSA-2020:2427",
      "https://ubuntu.com/security/CVE-2020-12657",
      "https://alas.aws.amazon.com/cve/html/CVE-2020-12657.html",
      "https://linux.oracle.com/cve/CVE-2020-12657.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-12657"
      ],
      "details": "An issue was discovered in the Linux kernel before 5.6.5. There is a use-after-free in block/bfq-iosched.c related to bfq_idle_slice_timer_body.",
      "id": "GSD-2020-12657",
      "modified": "2023-12-13T01:21:49.674110Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2020-12657",
        "STATE": "PUBLIC"
      },
      "affects": {
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          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
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                    }
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              "vendor_name": "n/a"
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          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
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              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
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      },
      "references": {
        "reference_data": [
          {
            "name": "https://patchwork.kernel.org/patch/11447049/",
            "refsource": "MISC",
            "url": "https://patchwork.kernel.org/patch/11447049/"
          },
          {
            "name": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.5",
            "refsource": "MISC",
            "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.5"
          },
          {
            "name": "https://github.com/torvalds/linux/commit/2f95fa5c955d0a9987ffdc3a095e2f4e62c5f2a9",
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            "url": "https://github.com/torvalds/linux/commit/2f95fa5c955d0a9987ffdc3a095e2f4e62c5f2a9"
          },
          {
            "name": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2f95fa5c955d0a9987ffdc3a095e2f4e62c5f2a9",
            "refsource": "MISC",
            "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2f95fa5c955d0a9987ffdc3a095e2f4e62c5f2a9"
          },
          {
            "name": "USN-4367-1",
            "refsource": "UBUNTU",
            "url": "https://usn.ubuntu.com/4367-1/"
          },
          {
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            "url": "https://usn.ubuntu.com/4368-1/"
          },
          {
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            "refsource": "UBUNTU",
            "url": "https://usn.ubuntu.com/4363-1/"
          },
          {
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            "refsource": "UBUNTU",
            "url": "https://usn.ubuntu.com/4369-1/"
          },
          {
            "name": "https://security.netapp.com/advisory/ntap-20200608-0001/",
            "refsource": "CONFIRM",
            "url": "https://security.netapp.com/advisory/ntap-20200608-0001/"
          },
          {
            "name": "openSUSE-SU-2020:0801",
            "refsource": "SUSE",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "5.6.5",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
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          "ASSIGNER": "cve@mitre.org",
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        },
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-416"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.5",
              "refsource": "MISC",
              "tags": [
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              ],
              "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.5"
            },
            {
              "name": "https://patchwork.kernel.org/patch/11447049/",
              "refsource": "MISC",
              "tags": [
                "Patch",
                "Vendor Advisory"
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              "url": "https://patchwork.kernel.org/patch/11447049/"
            },
            {
              "name": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2f95fa5c955d0a9987ffdc3a095e2f4e62c5f2a9",
              "refsource": "MISC",
              "tags": [
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              ],
              "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2f95fa5c955d0a9987ffdc3a095e2f4e62c5f2a9"
            },
            {
              "name": "https://github.com/torvalds/linux/commit/2f95fa5c955d0a9987ffdc3a095e2f4e62c5f2a9",
              "refsource": "MISC",
              "tags": [
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              "url": "https://github.com/torvalds/linux/commit/2f95fa5c955d0a9987ffdc3a095e2f4e62c5f2a9"
            },
            {
              "name": "USN-4367-1",
              "refsource": "UBUNTU",
              "tags": [],
              "url": "https://usn.ubuntu.com/4367-1/"
            },
            {
              "name": "USN-4368-1",
              "refsource": "UBUNTU",
              "tags": [],
              "url": "https://usn.ubuntu.com/4368-1/"
            },
            {
              "name": "USN-4363-1",
              "refsource": "UBUNTU",
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              "url": "https://usn.ubuntu.com/4363-1/"
            },
            {
              "name": "USN-4369-1",
              "refsource": "UBUNTU",
              "tags": [],
              "url": "https://usn.ubuntu.com/4369-1/"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20200608-0001/",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "https://security.netapp.com/advisory/ntap-20200608-0001/"
            },
            {
              "name": "openSUSE-SU-2020:0801",
              "refsource": "SUSE",
              "tags": [],
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "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,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2020-06-13T09:15Z",
      "publishedDate": "2020-05-05T07:15Z"
    }
  }
}


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