{
  "threat_severity" : "Moderate",
  "public_date" : "2023-08-08T11:25:00Z",
  "bugzilla" : {
    "description" : "amd: Return Address Predictor vulnerability leading to information disclosure",
    "id" : "2207625",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2207625"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.6",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N",
    "status" : "verified"
  },
  "details" : [ "A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. This may result in speculative execution at an attacker-controlled address, potentially leading to information disclosure.", "A side channel vulnerability was found in hw amd. Some AMD CPUs may allow an attacker to influence the return address prediction. This issue may result in speculative execution at an attacker-controlled instruction pointer register, potentially leading to information disclosure." ],
  "acknowledgement" : "Red Hat would like to thank Daniël Trujillo (ETH Zurich), Johannes Wikner (ETH Zurich), and Kaveh Razavi (ETH Zurich) for reporting this issue.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2023-11-27T00:00:00Z",
    "advisory" : "RHSA-2023:7513",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7",
    "package" : "linux-firmware-0:20200421-81.git78c0348.el7_9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.6 Advanced Update Support(Disable again in 2026 - SPRHEL-7118)",
    "release_date" : "2023-12-13T00:00:00Z",
    "advisory" : "RHSA-2023:7782",
    "cpe" : "cpe:/o:redhat:rhel_aus:7.6",
    "package" : "linux-firmware-0:20180911-69.2.git85c5d90.el7_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.7 Advanced Update Support",
    "release_date" : "2023-11-15T00:00:00Z",
    "advisory" : "RHSA-2023:7244",
    "cpe" : "cpe:/o:redhat:rhel_aus:7.7",
    "package" : "linux-firmware-0:20190429-74.gitddde598.el7_7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2024-01-10T00:00:00Z",
    "advisory" : "RHSA-2024:0134",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8::nfv",
    "package" : "kernel-rt-0:4.18.0-513.11.1.rt7.313.el8_9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2023-05-16T00:00:00Z",
    "advisory" : "RHBA-2023:2977",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "linux-firmware-0:20230404-114.git2e92a49f.el8_8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2023-11-14T00:00:00Z",
    "advisory" : "RHSA-2023:7109",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "linux-firmware-0:20230824-119.git0e048b06.el8_9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2024-01-10T00:00:00Z",
    "advisory" : "RHSA-2024:0113",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "kernel-0:4.18.0-513.11.1.el8_9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.2 Advanced Update Support",
    "release_date" : "2024-04-23T00:00:00Z",
    "advisory" : "RHSA-2024:2005",
    "cpe" : "cpe:/o:redhat:rhel_aus:8.2",
    "package" : "linux-firmware-0:20191202-101.gite8a0f4c9.el8_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.2 Telecommunications Update Service",
    "release_date" : "2024-04-23T00:00:00Z",
    "advisory" : "RHSA-2024:2005",
    "cpe" : "cpe:/o:redhat:rhel_tus:8.2",
    "package" : "linux-firmware-0:20191202-101.gite8a0f4c9.el8_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions",
    "release_date" : "2024-04-23T00:00:00Z",
    "advisory" : "RHSA-2024:2005",
    "cpe" : "cpe:/o:redhat:rhel_e4s:8.2",
    "package" : "linux-firmware-0:20191202-101.gite8a0f4c9.el8_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
    "release_date" : "2024-01-30T00:00:00Z",
    "advisory" : "RHSA-2024:0561",
    "cpe" : "cpe:/o:redhat:rhel_aus:8.4",
    "package" : "linux-firmware-0:20201218-105.git05789708.el8_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Telecommunications Update Service",
    "release_date" : "2024-01-30T00:00:00Z",
    "advisory" : "RHSA-2024:0561",
    "cpe" : "cpe:/o:redhat:rhel_tus:8.4",
    "package" : "linux-firmware-0:20201218-105.git05789708.el8_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions",
    "release_date" : "2024-01-30T00:00:00Z",
    "advisory" : "RHSA-2024:0561",
    "cpe" : "cpe:/o:redhat:rhel_e4s:8.4",
    "package" : "linux-firmware-0:20201218-105.git05789708.el8_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Extended Update Support",
    "release_date" : "2023-11-21T00:00:00Z",
    "advisory" : "RHSA-2023:7401",
    "cpe" : "cpe:/o:redhat:rhel_eus:8.6",
    "package" : "linux-firmware-0:20220210-112.git6342082c.el8_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Extended Update Support",
    "release_date" : "2024-02-07T00:00:00Z",
    "advisory" : "RHSA-2024:0724",
    "cpe" : "cpe:/o:redhat:rhel_eus:8.6",
    "package" : "kernel-0:4.18.0-372.91.1.el8_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.8 Extended Update Support",
    "release_date" : "2024-08-13T00:00:00Z",
    "advisory" : "RHSA-2024:5255",
    "cpe" : "cpe:/o:redhat:rhel_eus:8.8",
    "package" : "kernel-0:4.18.0-477.67.1.el8_8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2023-12-12T00:00:00Z",
    "advisory" : "RHSA-2023:7749",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-362.13.1.el9_3"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2023-11-07T00:00:00Z",
    "advisory" : "RHSA-2023:6595",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "linux-firmware-0:20230814-140.el9_3"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2023-12-12T00:00:00Z",
    "advisory" : "RHSA-2023:7749",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-362.13.1.el9_3"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.0 Extended Update Support",
    "release_date" : "2024-01-25T00:00:00Z",
    "advisory" : "RHSA-2024:0433",
    "cpe" : "cpe:/o:redhat:rhel_eus:9.0",
    "package" : "linux-firmware-0:20220209-129.el9_0"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.2 Extended Update Support",
    "release_date" : "2024-01-25T00:00:00Z",
    "advisory" : "RHSA-2024:0448",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.2",
    "package" : "kernel-0:5.14.0-284.48.1.el9_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.2 Extended Update Support",
    "release_date" : "2024-01-25T00:00:00Z",
    "advisory" : "RHSA-2024:0439",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.2::nfv",
    "package" : "kernel-rt-0:5.14.0-284.48.1.rt14.333.el9_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.2 Extended Update Support",
    "release_date" : "2024-01-25T00:00:00Z",
    "advisory" : "RHSA-2024:0449",
    "cpe" : "cpe:/o:redhat:rhel_eus:9.2",
    "package" : "linux-firmware-0:20230310-138.el9_2"
  }, {
    "product_name" : "Red Hat Virtualization 4 for Red Hat Enterprise Linux 8",
    "release_date" : "2024-02-07T00:00:00Z",
    "advisory" : "RHSA-2024:0724",
    "cpe" : "cpe:/o:redhat:rhev_hypervisor:4.4::el8",
    "package" : "kernel-0:4.18.0-372.91.1.el8_6"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Will not fix",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Will not fix",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2023-20569\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-20569\nhttps://access.redhat.com/solutions/7049120\nhttps://www.amd.com/content/dam/amd/en/documents/corporate/cr/speculative-return-stack-overflow-whitepaper.pdf\nhttps://www.amd.com/en/resources/product-security/bulletin/amd-sb-7005.html" ],
  "name" : "CVE-2023-20569",
  "mitigation" : {
    "value" : "Mitigation, other than installed the updated packages, 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
}