{
  "threat_severity" : "Important",
  "public_date" : "2017-06-19T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: heap/stack gap jumping via unbounded stack allocations",
    "id" : "1461333",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1461333"
  },
  "cvss" : {
    "cvss_base_score" : "6.2",
    "cvss_scoring_vector" : "AV:L/AC:H/Au:N/C:C/I:C/A:C",
    "status" : "verified"
  },
  "cvss3" : {
    "cvss3_base_score" : "7.4",
    "cvss3_scoring_vector" : "CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "status" : "verified"
  },
  "details" : [ "An issue was discovered in the size of the stack guard page on Linux, specifically a 4k stack guard page is not sufficiently large and can be \"jumped\" over (the stack guard page is bypassed), this affects Linux Kernel versions 4.11.5 and earlier (the stackguard page was introduced in 2010).", "A flaw was found in the way memory was being allocated on the stack for user space binaries. If heap (or different memory region) and stack memory regions were adjacent to each other, an attacker could use this flaw to jump over the stack guard gap, cause controlled memory corruption on process stack or the adjacent memory region, and thus increase their privileges on the system. This is a kernel-side mitigation which increases the stack guard gap size from one page to 1 MiB to make successful exploitation of this issue more difficult." ],
  "statement" : "This is a kernel-side mitigation. For a related glibc mitigation please see https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-1000366 .",
  "acknowledgement" : "Red Hat would like to thank Qualys Research Labs for reporting this issue.",
  "affected_release" : [ {
    "product_name" : "Red Hat Container Development Kit 3.0",
    "release_date" : "2017-06-21T00:00:00Z",
    "advisory" : "RHSA-2017:1567",
    "cpe" : "cpe:/a:redhat:container_development_kit:3.0"
  }, {
    "product_name" : "Red Hat Enterprise Linux 5.9 Long Life",
    "release_date" : "2017-06-19T00:00:00Z",
    "advisory" : "RHSA-2017:1483",
    "cpe" : "cpe:/o:redhat:rhel_aus:5.9",
    "package" : "kernel-0:2.6.18-348.33.2.el5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 5 Extended Lifecycle Support",
    "release_date" : "2017-06-19T00:00:00Z",
    "advisory" : "RHSA-2017:1482",
    "cpe" : "cpe:/o:redhat:rhel_els:5",
    "package" : "kernel-0:2.6.18-420.el5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "release_date" : "2017-06-19T00:00:00Z",
    "advisory" : "RHSA-2017:1486",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6",
    "package" : "kernel-0:2.6.32-696.3.2.el6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6.2 Advanced Update Support",
    "release_date" : "2017-06-19T00:00:00Z",
    "advisory" : "RHSA-2017:1491",
    "cpe" : "cpe:/o:redhat:rhel_mission_critical:6.2",
    "package" : "kernel-0:2.6.32-220.72.2.el6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6.4 Advanced Update Support",
    "release_date" : "2017-06-19T00:00:00Z",
    "advisory" : "RHSA-2017:1490",
    "cpe" : "cpe:/o:redhat:rhel_aus:6.4",
    "package" : "kernel-0:2.6.32-358.79.2.el6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6.5 Advanced Update Support",
    "release_date" : "2017-06-19T00:00:00Z",
    "advisory" : "RHSA-2017:1489",
    "cpe" : "cpe:/o:redhat:rhel_aus:6.5",
    "package" : "kernel-0:2.6.32-431.80.2.el6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6.5 Telco Extended Update Support",
    "release_date" : "2017-06-19T00:00:00Z",
    "advisory" : "RHSA-2017:1489",
    "cpe" : "cpe:/o:redhat:rhel_tus:6.5",
    "package" : "kernel-0:2.6.32-431.80.2.el6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6.6 Advanced Update Support",
    "release_date" : "2017-06-19T00:00:00Z",
    "advisory" : "RHSA-2017:1488",
    "cpe" : "cpe:/o:redhat:rhel_aus:6.6",
    "package" : "kernel-0:2.6.32-504.60.2.el6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6.6 Telco Extended Update Support",
    "release_date" : "2017-06-19T00:00:00Z",
    "advisory" : "RHSA-2017:1488",
    "cpe" : "cpe:/o:redhat:rhel_tus:6.6",
    "package" : "kernel-0:2.6.32-504.60.2.el6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6.7 Extended Update Support",
    "release_date" : "2017-06-19T00:00:00Z",
    "advisory" : "RHSA-2017:1487",
    "cpe" : "cpe:/o:redhat:rhel_eus:6.7",
    "package" : "kernel-0:2.6.32-573.42.2.el6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2017-06-28T00:00:00Z",
    "advisory" : "RHSA-2017:1616",
    "cpe" : "cpe:/a:redhat:rhel_extras_rt:7",
    "package" : "kernel-rt-0:3.10.0-514.26.1.rt56.442.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2017-06-20T00:00:00Z",
    "advisory" : "RHSA-2017:1484",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7",
    "package" : "kernel-0:3.10.0-514.21.2.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.2 Extended Update Support",
    "release_date" : "2017-06-19T00:00:00Z",
    "advisory" : "RHSA-2017:1485",
    "cpe" : "cpe:/o:redhat:rhel_eus:7.2",
    "package" : "kernel-0:3.10.0-327.55.2.el7"
  }, {
    "product_name" : "Red Hat Enterprise MRG 2",
    "release_date" : "2017-06-28T00:00:00Z",
    "advisory" : "RHSA-2017:1647",
    "cpe" : "cpe:/a:redhat:enterprise_mrg:2:server:el6",
    "package" : "kernel-rt-1:3.10.0-514.rt56.228.el6rt"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Virtualization 3",
    "fix_state" : "Affected",
    "package_name" : "rhev-hypervisor",
    "cpe" : "cpe:/a:redhat:enterprise_linux:7::hypervisor"
  }, {
    "product_name" : "Red Hat Enterprise Virtualization 3",
    "fix_state" : "Affected",
    "package_name" : "rhevm-appliance",
    "cpe" : "cpe:/a:redhat:enterprise_linux:7::hypervisor"
  }, {
    "product_name" : "Red Hat Virtualization 4",
    "fix_state" : "Affected",
    "package_name" : "rhev-hypervisor-ng",
    "cpe" : "cpe:/o:redhat:rhev_hypervisor:4"
  }, {
    "product_name" : "Red Hat Virtualization 4",
    "fix_state" : "Affected",
    "package_name" : "rhevm-appliance",
    "cpe" : "cpe:/o:redhat:rhev_hypervisor:4"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2017-1000364\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-1000364\nhttps://access.redhat.com/security/vulnerabilities/stackguard\nhttps://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt" ],
  "csaw" : true,
  "name" : "CVE-2017-1000364"
}