{
  "threat_severity" : "Moderate",
  "public_date" : "2014-06-18T00:00:00Z",
  "bugzilla" : {
    "description" : "Kernel: ALSA: control: use-after-free in replacing user controls",
    "id" : "1113445",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1113445"
  },
  "cvss" : {
    "cvss_base_score" : "3.8",
    "cvss_scoring_vector" : "AV:L/AC:H/Au:S/C:N/I:N/A:C",
    "status" : "verified"
  },
  "cwe" : "CWE-416",
  "details" : [ "The snd_ctl_elem_add function in sound/core/control.c in the ALSA control implementation in the Linux kernel before 3.15.2 does not properly maintain the user_ctl_count value, which allows local users to cause a denial of service (integer overflow and limit bypass) by leveraging /dev/snd/controlCX access for a large number of SNDRV_CTL_IOCTL_ELEM_REPLACE ioctl calls.", "A use-after-free flaw was found in the way the Linux kernel's Advanced Linux Sound Architecture (ALSA) implementation handled user controls. A local, privileged user could use this flaw to crash the system." ],
  "statement" : "This issue affects the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2. Future kernel updates for Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2 may address this issue.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "release_date" : "2014-10-13T00:00:00Z",
    "advisory" : "RHSA-2014:1392",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6",
    "package" : "kernel-0:2.6.32-504.el6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2014-12-09T00:00:00Z",
    "advisory" : "RHSA-2014:1971",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7",
    "package" : "kernel-0:3.10.0-123.13.1.el7"
  }, {
    "product_name" : "Red Hat Enterprise MRG 2",
    "release_date" : "2014-08-20T00:00:00Z",
    "advisory" : "RHSA-2014:1083",
    "cpe" : "cpe:/a:redhat:enterprise_mrg:2:server:el6",
    "package" : "kernel-rt-0:3.10.33-rt32.45.el6rt"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2014-4655\nhttps://nvd.nist.gov/vuln/detail/CVE-2014-4655" ],
  "name" : "CVE-2014-4655",
  "csaw" : false
}