{
  "threat_severity" : "Moderate",
  "public_date" : "2023-12-19T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: Reserved fields in guest message responses may not be zero initialized",
    "id" : "2250458",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2250458"
  },
  "cvss3" : {
    "cvss3_base_score" : "4.4",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
    "status" : "verified"
  },
  "cwe" : "CWE-200",
  "details" : [ "Failure to initialize\nmemory in SEV Firmware may allow a privileged attacker to access stale data\nfrom other guests.", "A flaw was found in some AMD CPUs where the guest message responses have not been zero-initialized. This issue may allow a local attacker with the ability to run arbitrary code on a container or virtual machine to discover sensitive information contained in the host system's memory." ],
  "acknowledgement" : "Red Hat would like to thank Tom Dohrmann for reporting this issue.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2024-07-02T00:00:00Z",
    "advisory" : "RHSA-2024:4262",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "linux-firmware-0:20240610-122.git90df68d2.el8_10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.2 Advanced Update Support",
    "release_date" : "2024-08-27T00:00:00Z",
    "advisory" : "RHSA-2024:5883",
    "cpe" : "cpe:/o:redhat:rhel_aus:8.2",
    "package" : "linux-firmware-0:20240715-102.2.git4c8fb21e.el8_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
    "release_date" : "2024-07-23T00:00:00Z",
    "advisory" : "RHSA-2024:4733",
    "cpe" : "cpe:/o:redhat:rhel_aus:8.4",
    "package" : "linux-firmware-0:20240610-106.1.git90df68d2.el8_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Telecommunications Update Service",
    "release_date" : "2024-07-23T00:00:00Z",
    "advisory" : "RHSA-2024:4733",
    "cpe" : "cpe:/o:redhat:rhel_tus:8.4",
    "package" : "linux-firmware-0:20240610-106.1.git90df68d2.el8_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions",
    "release_date" : "2024-07-23T00:00:00Z",
    "advisory" : "RHSA-2024:4733",
    "cpe" : "cpe:/o:redhat:rhel_e4s:8.4",
    "package" : "linux-firmware-0:20240610-106.1.git90df68d2.el8_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support",
    "release_date" : "2024-07-09T00:00:00Z",
    "advisory" : "RHSA-2024:4409",
    "cpe" : "cpe:/o:redhat:rhel_aus:8.6",
    "package" : "linux-firmware-0:20240610-114.1.git90df68d2.el8_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Telecommunications Update Service",
    "release_date" : "2024-07-09T00:00:00Z",
    "advisory" : "RHSA-2024:4409",
    "cpe" : "cpe:/o:redhat:rhel_tus:8.6",
    "package" : "linux-firmware-0:20240610-114.1.git90df68d2.el8_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions",
    "release_date" : "2024-07-09T00:00:00Z",
    "advisory" : "RHSA-2024:4409",
    "cpe" : "cpe:/o:redhat:rhel_e4s:8.6",
    "package" : "linux-firmware-0:20240610-114.1.git90df68d2.el8_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.8 Extended Update Support",
    "release_date" : "2024-07-23T00:00:00Z",
    "advisory" : "RHSA-2024:4741",
    "cpe" : "cpe:/o:redhat:rhel_eus:8.8",
    "package" : "linux-firmware-0:20240610-118.1.git90df68d2.el8_8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-07-23T00:00:00Z",
    "advisory" : "RHSA-2024:4774",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "linux-firmware-0:20240603-143.1.el9_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.2 Extended Update Support",
    "release_date" : "2024-08-20T00:00:00Z",
    "advisory" : "RHSA-2024:5640",
    "cpe" : "cpe:/o:redhat:rhel_eus:9.2",
    "package" : "linux-firmware-0:20240603-138.1.el9_2"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Affected",
    "package_name" : "linux-firmware",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Affected",
    "package_name" : "linux-firmware",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2023-31346\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-31346\nhttps://www.amd.com/en/resources/product-security/bulletin/amd-sb-3007.html" ],
  "name" : "CVE-2023-31346",
  "mitigation" : {
    "value" : "Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
    "lang" : "en:us"
  },
  "csaw" : false
}