{
  "threat_severity" : "Moderate",
  "public_date" : "2011-06-16T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: taskstats: duplicate entries in listener mode can lead to DoS",
    "id" : "715436",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=715436"
  },
  "cvss" : {
    "cvss_base_score" : "4.9",
    "cvss_scoring_vector" : "AV:L/AC:L/Au:N/C:N/I:N/A:C",
    "status" : "verified"
  },
  "details" : [ "The add_del_listener function in kernel/taskstats.c in the Linux kernel 2.6.39.1 and earlier does not prevent multiple registrations of exit handlers, which allows local users to cause a denial of service (memory and CPU consumption), and bypass the OOM Killer, via a crafted application." ],
  "statement" : "This issue did not affect the versions of Linux kernel as shipped with Red Hat\nEnterprise Linux 4 as it did not provide support for the Taskstats interface. This was fixed in Red Hat Enterprise Linux 5, 6, and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-1386.html, https://rhn.redhat.com/errata/RHSA-2011-1350.html and https://rhn.redhat.com/errata/RHSA-2011-1253.html.",
  "acknowledgement" : "Red Hat would like to thank Vasiliy Kulikov (Openwall) for reporting this issue.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "release_date" : "2011-10-20T00:00:00Z",
    "advisory" : "RHSA-2011:1386",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5",
    "package" : "kernel-0:2.6.18-274.7.1.el5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "release_date" : "2011-10-05T00:00:00Z",
    "advisory" : "RHSA-2011:1350",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6",
    "package" : "kernel-0:2.6.32-131.17.1.el6"
  }, {
    "product_name" : "Red Hat Enterprise MRG 2",
    "release_date" : "2011-09-12T00:00:00Z",
    "advisory" : "RHSA-2011:1253",
    "cpe" : "cpe:/a:redhat:enterprise_mrg:2:server:el6",
    "package" : "kernel-rt-0:2.6.33.9-rt31.75.el6rt"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 4",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:4"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2011-2484\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-2484" ],
  "name" : "CVE-2011-2484",
  "csaw" : false
}