{
  "threat_severity" : "Important",
  "public_date" : "2019-04-25T00:00:00Z",
  "bugzilla" : {
    "description" : "Kernel: vhost_net: infinite loop while receiving packets leads to DoS",
    "id" : "1698757",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1698757"
  },
  "cvss3" : {
    "cvss3_base_score" : "6.3",
    "cvss3_scoring_vector" : "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-835",
  "details" : [ "An infinite loop issue was found in the vhost_net kernel module in Linux Kernel up to and including v5.1-rc6, while handling incoming packets in handle_rx(). It could occur if one end sends packets faster than the other end can process them. A guest user, maybe remote one, could use this flaw to stall the vhost_net kernel thread, resulting in a DoS scenario.", "An infinite loop issue was found in the vhost_net kernel module while handling incoming packets in handle_rx(). The infinite loop could occur if one end sends packets faster than the other end can process them. A guest user, maybe a remote one, could use this flaw to stall the vhost_net kernel thread, resulting in a DoS scenario." ],
  "statement" : "This issue does not affect the versions of the kernel package as shipped with Red Hat Enterprise Linux 5 and Red Hat Enterprise MRG 2.\nThis issue affects the version of Linux kernel as shipped with Red Hat Enterprise Linux 6 and 7. Future kernel updates for Red Hat Enterprise Linux 6 and 7 may address this issue.",
  "acknowledgement" : "This issue was discovered by Jason Wang (Red Hat Inc.).",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "release_date" : "2019-11-12T00:00:00Z",
    "advisory" : "RHSA-2019:3836",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6",
    "package" : "kernel-0:2.6.32-754.24.2.el6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2019-08-07T00:00:00Z",
    "advisory" : "RHSA-2019:2043",
    "cpe" : "cpe:/a:redhat:rhel_extras_rt:7",
    "package" : "kernel-rt-0:3.10.0-1062.rt56.1022.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2019-07-30T00:00:00Z",
    "advisory" : "RHSA-2019:1973",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7",
    "package" : "kernel-alt-0:4.14.0-115.10.1.el7a"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2019-08-06T00:00:00Z",
    "advisory" : "RHSA-2019:2029",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7",
    "package" : "kernel-0:3.10.0-1062.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.4 Advanced Update Support",
    "release_date" : "2019-12-03T00:00:00Z",
    "advisory" : "RHSA-2019:4058",
    "cpe" : "cpe:/o:redhat:rhel_aus:7.4",
    "package" : "kernel-0:3.10.0-693.61.1.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.4 Telco Extended Update Support",
    "release_date" : "2019-12-03T00:00:00Z",
    "advisory" : "RHSA-2019:4058",
    "cpe" : "cpe:/o:redhat:rhel_tus:7.4",
    "package" : "kernel-0:3.10.0-693.61.1.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions",
    "release_date" : "2019-12-03T00:00:00Z",
    "advisory" : "RHSA-2019:4058",
    "cpe" : "cpe:/o:redhat:rhel_e4s:7.4",
    "package" : "kernel-0:3.10.0-693.61.1.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.5 Extended Update Support",
    "release_date" : "2019-11-26T00:00:00Z",
    "advisory" : "RHSA-2019:3967",
    "cpe" : "cpe:/o:redhat:rhel_eus:7.5",
    "package" : "kernel-0:3.10.0-862.44.2.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.6 Extended Update Support",
    "release_date" : "2019-10-29T00:00:00Z",
    "advisory" : "RHSA-2019:3220",
    "cpe" : "cpe:/o:redhat:rhel_eus:7.6",
    "package" : "kernel-0:3.10.0-957.38.1.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2019-11-05T00:00:00Z",
    "advisory" : "RHSA-2019:3309",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8::nfv",
    "package" : "kernel-rt-0:4.18.0-147.rt24.93.el8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2019-11-05T00:00:00Z",
    "advisory" : "RHSA-2019:3517",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "kernel-0:4.18.0-147.el8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions",
    "release_date" : "2020-01-22T00:00:00Z",
    "advisory" : "RHSA-2020:0204",
    "cpe" : "cpe:/o:redhat:rhel_e4s:8.0",
    "package" : "kernel-0:4.18.0-80.15.1.el8_0"
  }, {
    "product_name" : "Red Hat Virtualization 4.2 for Red Hat Enterprise Linux 7.6 EUS",
    "release_date" : "2019-10-29T00:00:00Z",
    "advisory" : "RHSA-2019:3220",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7::hypervisor",
    "package" : "kernel-0:3.10.0-957.38.1.el7"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  }, {
    "product_name" : "Red Hat Enterprise MRG 2",
    "fix_state" : "Not affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/a:redhat:enterprise_mrg:2"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2019-3900\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-3900" ],
  "name" : "CVE-2019-3900",
  "csaw" : false
}