{
  "threat_severity" : "Moderate",
  "public_date" : "2018-06-01T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: use-after-free in ucma_leave_multicast in drivers/infiniband/core/ucma.c",
    "id" : "1611005",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1611005"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.3",
    "cvss3_scoring_vector" : "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-416",
  "details" : [ "drivers/infiniband/core/ucma.c in the Linux kernel through 4.17.11 allows ucma_leave_multicast to access a certain data structure after a cleanup step in ucma_process_join, which allows attackers to cause a denial of service (use-after-free).", "A flaw was found in the Linux Kernel in the ucma_leave_multicast() function in drivers/infiniband/core/ucma.c which allows access to a certain data structure after freeing it in ucma_process_join(). This allows an attacker to cause a use-after-free bug and to induce kernel memory corruption, leading to a system crash or other unspecified impact. Due to the nature of the flaw, privilege escalation cannot be fully ruled out, although we believe it is unlikely." ],
  "affected_release" : [ {
    "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" : "2019-04-23T00:00:00Z",
    "advisory" : "RHSA-2019:0831",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7",
    "package" : "kernel-alt-0:4.14.0-115.7.1.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"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Will not fix",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Will not fix",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise MRG 2",
    "fix_state" : "Will not fix",
    "package_name" : "realtime-kernel",
    "cpe" : "cpe:/a:redhat:enterprise_mrg:2"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2018-14734\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-14734" ],
  "name" : "CVE-2018-14734",
  "csaw" : false
}