{
  "threat_severity" : "Moderate",
  "public_date" : "2024-01-23T00:00:00Z",
  "bugzilla" : {
    "description" : "shim: Out-of-bound read in verify_buffer_sbat()",
    "id" : "2259915",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2259915"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
    "status" : "verified"
  },
  "cwe" : "CWE-125",
  "details" : [ "An out-of-bounds read flaw was found in Shim when it tried to validate the SBAT information. This issue may expose sensitive data during the system's boot phase.", "An out-of-bounds read flaw was found in Shim when it tried to validate the SBAT information. This issue may expose sensitive data during the system's boot phase." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2024-04-23T00:00:00Z",
    "advisory" : "RHSA-2024:1959",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7",
    "package" : "shim-0:15.8-3.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2024-04-23T00:00:00Z",
    "advisory" : "RHSA-2024:1959",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7",
    "package" : "shim-signed-0:15.8-1.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2024-04-18T00:00:00Z",
    "advisory" : "RHSA-2024:1902",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "shim-0:15.8-4.el8_9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.2 Advanced Update Support",
    "release_date" : "2024-04-16T00:00:00Z",
    "advisory" : "RHSA-2024:1834",
    "cpe" : "cpe:/o:redhat:rhel_aus:8.2",
    "package" : "shim-0:15.8-2.el8_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.2 Telecommunications Update Service",
    "release_date" : "2024-04-16T00:00:00Z",
    "advisory" : "RHSA-2024:1834",
    "cpe" : "cpe:/o:redhat:rhel_tus:8.2",
    "package" : "shim-0:15.8-2.el8_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions",
    "release_date" : "2024-04-16T00:00:00Z",
    "advisory" : "RHSA-2024:1834",
    "cpe" : "cpe:/o:redhat:rhel_e4s:8.2",
    "package" : "shim-0:15.8-2.el8_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
    "release_date" : "2024-04-18T00:00:00Z",
    "advisory" : "RHSA-2024:1873",
    "cpe" : "cpe:/o:redhat:rhel_aus:8.4",
    "package" : "shim-0:15.8-2.el8_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Telecommunications Update Service",
    "release_date" : "2024-04-18T00:00:00Z",
    "advisory" : "RHSA-2024:1873",
    "cpe" : "cpe:/o:redhat:rhel_tus:8.4",
    "package" : "shim-0:15.8-2.el8_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions",
    "release_date" : "2024-04-18T00:00:00Z",
    "advisory" : "RHSA-2024:1873",
    "cpe" : "cpe:/o:redhat:rhel_e4s:8.4",
    "package" : "shim-0:15.8-2.el8_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Extended Update Support",
    "release_date" : "2024-04-29T00:00:00Z",
    "advisory" : "RHSA-2024:2086",
    "cpe" : "cpe:/o:redhat:rhel_eus:8.6",
    "package" : "shim-0:15.8-2.el8_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.8 Extended Update Support",
    "release_date" : "2024-04-18T00:00:00Z",
    "advisory" : "RHSA-2024:1883",
    "cpe" : "cpe:/o:redhat:rhel_eus:8.8",
    "package" : "shim-0:15.8-2.el8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.8 Extended Update Support",
    "release_date" : "2024-04-18T00:00:00Z",
    "advisory" : "RHSA-2024:1883",
    "cpe" : "cpe:/o:redhat:rhel_eus:8.8",
    "package" : "shim-unsigned-x64-0:15.8-2.el8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-04-18T00:00:00Z",
    "advisory" : "RHSA-2024:1903",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "shim-0:15.8-4.el9_3"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.0 Extended Update Support",
    "release_date" : "2024-04-16T00:00:00Z",
    "advisory" : "RHSA-2024:1835",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.0",
    "package" : "shim-0:15.8-3.el9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.0 Extended Update Support",
    "release_date" : "2024-04-16T00:00:00Z",
    "advisory" : "RHSA-2024:1835",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.0",
    "package" : "shim-unsigned-aarch64-0:15.8-2.el9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.0 Extended Update Support",
    "release_date" : "2024-04-16T00:00:00Z",
    "advisory" : "RHSA-2024:1835",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.0",
    "package" : "shim-unsigned-x64-0:15.8-2.el9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.2 Extended Update Support",
    "release_date" : "2024-04-18T00:00:00Z",
    "advisory" : "RHSA-2024:1876",
    "cpe" : "cpe:/o:redhat:rhel_eus:9.2",
    "package" : "shim-0:15.8-3.el9_2"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2023-40550\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-40550" ],
  "name" : "CVE-2023-40550",
  "csaw" : false
}