{
  "threat_severity" : "Moderate",
  "public_date" : "2011-11-15T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: keys: NULL pointer deref in the user-defined key type",
    "id" : "751297",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=751297"
  },
  "cvss" : {
    "cvss_base_score" : "4.9",
    "cvss_scoring_vector" : "AV:L/AC:L/Au:N/C:N/I:N/A:C",
    "status" : "verified"
  },
  "cwe" : "CWE-476",
  "details" : [ "The user_update function in security/keys/user_defined.c in the Linux kernel 2.6 allows local users to cause a denial of service (NULL pointer dereference and kernel oops) via vectors related to a user-defined key and \"updating a negative key into a fully instantiated key.\"" ],
  "statement" : "This issue affects the Linux kernel as shipped with Red Hat Enterprise Linux 4,\n5, 6, and Red Hat Enterprise MRG. This has been addressed in Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-1479.html, https://rhn.redhat.com/errata/RHSA-2011-1530.html, and https://rhn.redhat.com/errata/RHSA-2012-0010.html. Red Hat Enterprise Linux 4 is now in Production 3 of the maintenance life-cycle, https://access.redhat.com/support/policy/updates/errata/, therefore the fix for this issue is not currently planned to be included in the future updates.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "release_date" : "2011-11-29T00:00:00Z",
    "advisory" : "RHSA-2011:1479",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5",
    "package" : "kernel-0:2.6.18-274.12.1.el5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "release_date" : "2011-12-05T00:00:00Z",
    "advisory" : "RHSA-2011:1530",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6",
    "package" : "kernel-0:2.6.32-220.el6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6.1 EUS - Server Only",
    "release_date" : "2012-02-15T00:00:00Z",
    "advisory" : "RHSA-2012:0116",
    "cpe" : "cpe:/o:redhat:rhel_eus:6.1",
    "package" : "kernel-0:2.6.32-131.25.1.el6"
  }, {
    "product_name" : "Red Hat Enterprise MRG 2",
    "release_date" : "2012-01-10T00:00:00Z",
    "advisory" : "RHSA-2012:0010",
    "cpe" : "cpe:/a:redhat:enterprise_mrg:2:server:el6",
    "package" : "kernel-rt-0:2.6.33.9-rt31.79.el6rt"
  }, {
    "product_name" : "Red Hat Enterprise MRG 2",
    "release_date" : "2012-02-23T00:00:00Z",
    "advisory" : "RHSA-2012:0333",
    "cpe" : "cpe:/a:redhat:enterprise_mrg:2:server:el6",
    "package" : "kernel-rt-0:3.0.18-rt34.53.el6rt"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 4",
    "fix_state" : "Affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:4"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2011-4110\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-4110" ],
  "name" : "CVE-2011-4110",
  "csaw" : false
}