{
  "threat_severity" : "Moderate",
  "public_date" : "2020-01-27T13:00:00Z",
  "bugzilla" : {
    "description" : "hw: L1D Cache Eviction Sampling",
    "id" : "1788788",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1788788"
  },
  "cvss3" : {
    "cvss3_base_score" : "6.5",
    "cvss3_scoring_vector" : "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
    "status" : "verified"
  },
  "cwe" : "CWE-203->CWE-200",
  "details" : [ "Cleanup errors in some data cache evictions for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.", "A microarchitectural timing flaw was found on some Intel processors. A corner case exists where data in-flight during the eviction process can end up in the “fill buffers” and not properly cleared by the MDS mitigations. The fill buffer contents (which were expected to be blank) can be inferred using MDS or TAA style attack methods to allow a local attacker to infer fill buffer values." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "release_date" : "2020-06-09T00:00:00Z",
    "advisory" : "RHSA-2020:2433",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6",
    "package" : "microcode_ctl-2:1.17-33.26.el6_10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6.5 Advanced Update Support",
    "release_date" : "2020-06-23T00:00:00Z",
    "advisory" : "RHSA-2020:2707",
    "cpe" : "cpe:/o:redhat:rhel_aus:6.5",
    "package" : "microcode_ctl-2:1.17-17.31.el6_5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6.6 Advanced Update Support",
    "release_date" : "2020-06-23T00:00:00Z",
    "advisory" : "RHSA-2020:2706",
    "cpe" : "cpe:/o:redhat:rhel_aus:6.6",
    "package" : "microcode_ctl-2:1.17-19.29.el6_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2020-06-10T00:00:00Z",
    "advisory" : "RHSA-2020:2432",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7",
    "package" : "microcode_ctl-2:2.1-61.6.el7_8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2021-08-09T00:00:00Z",
    "advisory" : "RHSA-2021:3028",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7",
    "package" : "microcode_ctl-2:2.1-73.11.el7_9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.2 Advanced Update Support",
    "release_date" : "2020-06-23T00:00:00Z",
    "advisory" : "RHSA-2020:2679",
    "cpe" : "cpe:/o:redhat:rhel_aus:7.2",
    "package" : "microcode_ctl-2:2.1-12.30.el7_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.2 Advanced Update Support",
    "release_date" : "2021-08-31T00:00:00Z",
    "advisory" : "RHSA-2021:3323",
    "cpe" : "cpe:/o:redhat:rhel_aus:7.2",
    "package" : "microcode_ctl-2:2.1-12.39.el7_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.3 Advanced Update Support",
    "release_date" : "2020-06-23T00:00:00Z",
    "advisory" : "RHSA-2020:2680",
    "cpe" : "cpe:/o:redhat:rhel_aus:7.3",
    "package" : "microcode_ctl-2:2.1-16.33.el7_3"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.3 Advanced Update Support",
    "release_date" : "2021-08-31T00:00:00Z",
    "advisory" : "RHSA-2021:3322",
    "cpe" : "cpe:/o:redhat:rhel_aus:7.3",
    "package" : "microcode_ctl-2:2.1-16.42.el7_3"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.3 Telco Extended Update Support",
    "release_date" : "2020-06-23T00:00:00Z",
    "advisory" : "RHSA-2020:2680",
    "cpe" : "cpe:/o:redhat:rhel_tus:7.3",
    "package" : "microcode_ctl-2:2.1-16.33.el7_3"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.3 Update Services for SAP Solutions",
    "release_date" : "2020-06-23T00:00:00Z",
    "advisory" : "RHSA-2020:2680",
    "cpe" : "cpe:/o:redhat:rhel_e4s:7.3",
    "package" : "microcode_ctl-2:2.1-16.33.el7_3"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.4 Advanced Update Support",
    "release_date" : "2020-06-30T00:00:00Z",
    "advisory" : "RHSA-2020:2771",
    "cpe" : "cpe:/o:redhat:rhel_aus:7.4",
    "package" : "microcode_ctl-2:2.1-22.32.el7_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.4 Advanced Update Support",
    "release_date" : "2021-08-24T00:00:00Z",
    "advisory" : "RHSA-2021:3255",
    "cpe" : "cpe:/o:redhat:rhel_aus:7.4",
    "package" : "microcode_ctl-2:2.1-22.41.el7_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.4 Telco Extended Update Support",
    "release_date" : "2020-06-30T00:00:00Z",
    "advisory" : "RHSA-2020:2771",
    "cpe" : "cpe:/o:redhat:rhel_tus:7.4",
    "package" : "microcode_ctl-2:2.1-22.32.el7_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.4 Telco Extended Update Support",
    "release_date" : "2021-08-24T00:00:00Z",
    "advisory" : "RHSA-2021:3255",
    "cpe" : "cpe:/o:redhat:rhel_tus:7.4",
    "package" : "microcode_ctl-2:2.1-22.41.el7_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions",
    "release_date" : "2020-06-30T00:00:00Z",
    "advisory" : "RHSA-2020:2771",
    "cpe" : "cpe:/o:redhat:rhel_e4s:7.4",
    "package" : "microcode_ctl-2:2.1-22.32.el7_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions",
    "release_date" : "2021-08-24T00:00:00Z",
    "advisory" : "RHSA-2021:3255",
    "cpe" : "cpe:/o:redhat:rhel_e4s:7.4",
    "package" : "microcode_ctl-2:2.1-22.41.el7_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.6 Advanced Update Support(Disable again in 2026 - SPRHEL-7118)",
    "release_date" : "2021-08-31T00:00:00Z",
    "advisory" : "RHSA-2021:3317",
    "cpe" : "cpe:/o:redhat:rhel_aus:7.6",
    "package" : "microcode_ctl-2:2.1-47.23.el7_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.6 Extended Update Support",
    "release_date" : "2020-07-07T00:00:00Z",
    "advisory" : "RHSA-2020:2842",
    "cpe" : "cpe:/o:redhat:rhel_eus:7.6",
    "package" : "microcode_ctl-2:2.1-47.14.el7_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.6 Telco Extended Update Support",
    "release_date" : "2021-08-31T00:00:00Z",
    "advisory" : "RHSA-2021:3317",
    "cpe" : "cpe:/o:redhat:rhel_tus:7.6",
    "package" : "microcode_ctl-2:2.1-47.23.el7_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.6 Update Services for SAP Solutions",
    "release_date" : "2021-08-31T00:00:00Z",
    "advisory" : "RHSA-2021:3317",
    "cpe" : "cpe:/o:redhat:rhel_e4s:7.6",
    "package" : "microcode_ctl-2:2.1-47.23.el7_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.7 Extended Update Support",
    "release_date" : "2020-06-29T00:00:00Z",
    "advisory" : "RHSA-2020:2758",
    "cpe" : "cpe:/o:redhat:rhel_eus:7.7",
    "package" : "microcode_ctl-2:2.1-53.9.el7_7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.7 Extended Update Support",
    "release_date" : "2021-08-10T00:00:00Z",
    "advisory" : "RHSA-2021:3029",
    "cpe" : "cpe:/o:redhat:rhel_eus:7.7",
    "package" : "microcode_ctl-2:2.1-53.18.el7_7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2020-06-09T00:00:00Z",
    "advisory" : "RHSA-2020:2431",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "microcode_ctl-4:20191115-4.20200602.2.el8_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2021-08-09T00:00:00Z",
    "advisory" : "RHSA-2021:3027",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "microcode_ctl-4:20210216-1.20210608.1.el8_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions",
    "release_date" : "2020-06-29T00:00:00Z",
    "advisory" : "RHSA-2020:2757",
    "cpe" : "cpe:/o:redhat:rhel_e4s:8.0",
    "package" : "microcode_ctl-4:20180807a-2.20200609.1.el8_0"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.1 Extended Update Support",
    "release_date" : "2020-06-23T00:00:00Z",
    "advisory" : "RHSA-2020:2677",
    "cpe" : "cpe:/o:redhat:rhel_eus:8.1",
    "package" : "microcode_ctl-4:20190618-1.20200609.1.el8_1"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.1 Extended Update Support",
    "release_date" : "2021-08-17T00:00:00Z",
    "advisory" : "RHSA-2021:3176",
    "cpe" : "cpe:/o:redhat:rhel_eus:8.1",
    "package" : "microcode_ctl-4:20190618-1.20210608.1.el8_1"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.2 Extended Update Support",
    "release_date" : "2021-08-31T00:00:00Z",
    "advisory" : "RHSA-2021:3364",
    "cpe" : "cpe:/o:redhat:rhel_eus:8.2",
    "package" : "microcode_ctl-4:20191115-4.20210608.1.el8_2"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Out of support scope",
    "package_name" : "microcode_ctl",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2020-0549\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-0549\nhttps://access.redhat.com/solutions/l1d-cache-eviction-and-vector-register-sampling\nhttps://blogs.intel.com/technology/2020/01/ipas-intel-sa-00329/\nhttps://cacheoutattack.com/CacheOut.pdf\nhttps://software.intel.com/security-software-guidance/software-guidance/l1d-eviction-sampling" ],
  "name" : "CVE-2020-0549",
  "csaw" : false
}