{
  "threat_severity" : "Moderate",
  "public_date" : "2023-12-11T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: NULL pointer dereference in nvmet_tcp_build_iovec",
    "id" : "2254054",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2254054"
  },
  "cvss3" : {
    "cvss3_base_score" : "6.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-476",
  "details" : [ "A flaw was found in the Linux kernel's NVMe driver. This issue may allow an unauthenticated malicious actor to send a set of crafted TCP packages when using NVMe over TCP, leading the NVMe driver to a NULL pointer dereference in the NVMe driver and causing kernel panic and a denial of service.", "A flaw was found in the Linux kernel's NVMe driver. This issue may allow an unauthenticated malicious actor to send a set of crafted TCP packages when using NVMe over TCP, leading the NVMe driver to a NULL pointer dereference in the NVMe driver and causing kernel panic and a denial of service." ],
  "statement" : "Red Hat Enterprise Linux 6 and 7 are not affected by this issue as it doesn't ship the related NVMe driver code.",
  "acknowledgement" : "Red Hat would like to thank Alon Zahavi for reporting this issue.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2024-02-20T00:00:00Z",
    "advisory" : "RHSA-2024:0881",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8::nfv",
    "package" : "kernel-rt-0:4.18.0-513.18.1.rt7.320.el8_9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2024-02-20T00:00:00Z",
    "advisory" : "RHSA-2024:0897",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "kernel-0:4.18.0-513.18.1.el8_9"
  }, {
    "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" : "2024-06-11T00:00:00Z",
    "advisory" : "RHSA-2024:3810",
    "cpe" : "cpe:/o:redhat:rhel_eus:8.8",
    "package" : "kernel-0:4.18.0-477.58.1.el8_8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-03-12T00:00:00Z",
    "advisory" : "RHSA-2024:1248",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-362.24.1.el9_3"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-03-12T00:00:00Z",
    "advisory" : "RHSA-2024:1248",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-362.24.1.el9_3"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.2 Extended Update Support",
    "release_date" : "2024-02-07T00:00:00Z",
    "advisory" : "RHSA-2024:0723",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.2",
    "package" : "kernel-0:5.14.0-284.52.1.el9_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.2 Extended Update Support",
    "release_date" : "2024-02-07T00:00:00Z",
    "advisory" : "RHSA-2024:0725",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.2::nfv",
    "package" : "kernel-rt-0:5.14.0-284.52.1.rt14.337.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"
  }, {
    "product_name" : "RHOL-5.8-RHEL-9",
    "release_date" : "2024-05-01T00:00:00Z",
    "advisory" : "RHSA-2024:2094",
    "cpe" : "cpe:/a:redhat:logging:5.8::el9",
    "package" : "openshift-logging/cluster-logging-operator-bundle:v5.8.6-22"
  }, {
    "product_name" : "RHOL-5.8-RHEL-9",
    "release_date" : "2024-05-01T00:00:00Z",
    "advisory" : "RHSA-2024:2094",
    "cpe" : "cpe:/a:redhat:logging:5.8::el9",
    "package" : "openshift-logging/cluster-logging-rhel9-operator:v5.8.6-11"
  }, {
    "product_name" : "RHOL-5.8-RHEL-9",
    "release_date" : "2024-05-01T00:00:00Z",
    "advisory" : "RHSA-2024:2094",
    "cpe" : "cpe:/a:redhat:logging:5.8::el9",
    "package" : "openshift-logging/elasticsearch6-rhel9:v6.8.1-407"
  }, {
    "product_name" : "RHOL-5.8-RHEL-9",
    "release_date" : "2024-05-01T00:00:00Z",
    "advisory" : "RHSA-2024:2094",
    "cpe" : "cpe:/a:redhat:logging:5.8::el9",
    "package" : "openshift-logging/elasticsearch-operator-bundle:v5.8.6-19"
  }, {
    "product_name" : "RHOL-5.8-RHEL-9",
    "release_date" : "2024-05-01T00:00:00Z",
    "advisory" : "RHSA-2024:2094",
    "cpe" : "cpe:/a:redhat:logging:5.8::el9",
    "package" : "openshift-logging/elasticsearch-proxy-rhel9:v1.0.0-479"
  }, {
    "product_name" : "RHOL-5.8-RHEL-9",
    "release_date" : "2024-05-01T00:00:00Z",
    "advisory" : "RHSA-2024:2094",
    "cpe" : "cpe:/a:redhat:logging:5.8::el9",
    "package" : "openshift-logging/elasticsearch-rhel9-operator:v5.8.6-7"
  }, {
    "product_name" : "RHOL-5.8-RHEL-9",
    "release_date" : "2024-05-01T00:00:00Z",
    "advisory" : "RHSA-2024:2094",
    "cpe" : "cpe:/a:redhat:logging:5.8::el9",
    "package" : "openshift-logging/eventrouter-rhel9:v0.4.0-247"
  }, {
    "product_name" : "RHOL-5.8-RHEL-9",
    "release_date" : "2024-05-01T00:00:00Z",
    "advisory" : "RHSA-2024:2094",
    "cpe" : "cpe:/a:redhat:logging:5.8::el9",
    "package" : "openshift-logging/fluentd-rhel9:v5.8.6-5"
  }, {
    "product_name" : "RHOL-5.8-RHEL-9",
    "release_date" : "2024-05-01T00:00:00Z",
    "advisory" : "RHSA-2024:2094",
    "cpe" : "cpe:/a:redhat:logging:5.8::el9",
    "package" : "openshift-logging/log-file-metric-exporter-rhel9:v1.1.0-227"
  }, {
    "product_name" : "RHOL-5.8-RHEL-9",
    "release_date" : "2024-05-01T00:00:00Z",
    "advisory" : "RHSA-2024:2094",
    "cpe" : "cpe:/a:redhat:logging:5.8::el9",
    "package" : "openshift-logging/logging-curator5-rhel9:v5.8.1-470"
  }, {
    "product_name" : "RHOL-5.8-RHEL-9",
    "release_date" : "2024-05-01T00:00:00Z",
    "advisory" : "RHSA-2024:2094",
    "cpe" : "cpe:/a:redhat:logging:5.8::el9",
    "package" : "openshift-logging/logging-loki-rhel9:v2.9.6-14"
  }, {
    "product_name" : "RHOL-5.8-RHEL-9",
    "release_date" : "2024-05-01T00:00:00Z",
    "advisory" : "RHSA-2024:2094",
    "cpe" : "cpe:/a:redhat:logging:5.8::el9",
    "package" : "openshift-logging/logging-view-plugin-rhel9:v5.8.6-2"
  }, {
    "product_name" : "RHOL-5.8-RHEL-9",
    "release_date" : "2024-05-01T00:00:00Z",
    "advisory" : "RHSA-2024:2094",
    "cpe" : "cpe:/a:redhat:logging:5.8::el9",
    "package" : "openshift-logging/loki-operator-bundle:v5.8.6-24"
  }, {
    "product_name" : "RHOL-5.8-RHEL-9",
    "release_date" : "2024-05-01T00:00:00Z",
    "advisory" : "RHSA-2024:2094",
    "cpe" : "cpe:/a:redhat:logging:5.8::el9",
    "package" : "openshift-logging/loki-rhel9-operator:v5.8.6-10"
  }, {
    "product_name" : "RHOL-5.8-RHEL-9",
    "release_date" : "2024-05-01T00:00:00Z",
    "advisory" : "RHSA-2024:2094",
    "cpe" : "cpe:/a:redhat:logging:5.8::el9",
    "package" : "openshift-logging/lokistack-gateway-rhel9:v0.1.0-525"
  }, {
    "product_name" : "RHOL-5.8-RHEL-9",
    "release_date" : "2024-05-01T00:00:00Z",
    "advisory" : "RHSA-2024:2094",
    "cpe" : "cpe:/a:redhat:logging:5.8::el9",
    "package" : "openshift-logging/opa-openshift-rhel9:v0.1.0-224"
  }, {
    "product_name" : "RHOL-5.8-RHEL-9",
    "release_date" : "2024-05-01T00:00:00Z",
    "advisory" : "RHSA-2024:2094",
    "cpe" : "cpe:/a:redhat:logging:5.8::el9",
    "package" : "openshift-logging/vector-rhel9:v0.28.1-56"
  } ],
  "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" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "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-2023-6356\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-6356" ],
  "name" : "CVE-2023-6356",
  "mitigation" : {
    "value" : "To mitigate this issue, prevent module nvmet-tcp from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.",
    "lang" : "en:us"
  },
  "csaw" : false
}