{
  "threat_severity" : "Moderate",
  "public_date" : "2020-12-22T00:00:00Z",
  "bugzilla" : {
    "description" : "QEMU: use after free vulnerability in esp_do_dma() in hw/scsi/esp.c",
    "id" : "1909996",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1909996"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.0",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L",
    "status" : "draft"
  },
  "cwe" : "CWE-416",
  "details" : [ "A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0 during the handling of the 'Information Transfer' command (CMD_TI). This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service or potential code execution with the privileges of the QEMU process.", "A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter emulation of QEMU during the handling of the 'Information Transfer' command (CMD_TI). This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service or potential code execution with the privileges of the QEMU process." ],
  "statement" : "This issue does not affect the following products, as the `qemu-kvm` package does not include support for the am53c974 SCSI controller emulation:\n* Red Hat Enterprise Linux\n* Red Hat Enterprise Linux Advanced Virtualization\n* Red Hat OpenStack Platform",
  "acknowledgement" : "Red Hat would like to thank Cheolwoo Myung for reporting this issue.",
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Not affected",
    "package_name" : "kvm",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Not affected",
    "package_name" : "qemu-kvm",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "package_name" : "qemu-kvm",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "package_name" : "qemu-kvm-ma",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "package_name" : "qemu-kvm-rhev",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Not affected",
    "package_name" : "virt:rhel/qemu-kvm",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8 Advanced Virtualization",
    "fix_state" : "Not affected",
    "package_name" : "virt:8.2/qemu-kvm",
    "cpe" : "cpe:/a:redhat:advanced_virtualization:8::el8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8 Advanced Virtualization",
    "fix_state" : "Not affected",
    "package_name" : "virt:8.3/qemu-kvm",
    "cpe" : "cpe:/a:redhat:advanced_virtualization:8::el8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Not affected",
    "package_name" : "qemu-kvm",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "product_name" : "Red Hat OpenStack Platform 10 (Newton)",
    "fix_state" : "Not affected",
    "package_name" : "qemu-kvm-rhev",
    "cpe" : "cpe:/a:redhat:openstack:10"
  }, {
    "product_name" : "Red Hat OpenStack Platform 13 (Queens)",
    "fix_state" : "Not affected",
    "package_name" : "qemu-kvm-rhev",
    "cpe" : "cpe:/a:redhat:openstack:13"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2020-35506\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-35506\nhttps://www.openwall.com/lists/oss-security/2021/04/16/3" ],
  "name" : "CVE-2020-35506",
  "csaw" : false
}