{
  "threat_severity" : "Important",
  "public_date" : "2012-04-17T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: fcaps: clear the same personality flags as suid when fcaps are used",
    "id" : "806722",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=806722"
  },
  "cvss" : {
    "cvss_base_score" : "1.9",
    "cvss_scoring_vector" : "AV:L/AC:M/Au:N/C:N/I:P/A:N",
    "status" : "verified"
  },
  "details" : [ "The cap_bprm_set_creds function in security/commoncap.c in the Linux kernel before 3.3.3 does not properly handle the use of file system capabilities (aka fcaps) for implementing a privileged executable file, which allows local users to bypass intended personality restrictions via a crafted application, as demonstrated by an attack that uses a parent process to disable ASLR." ],
  "statement" : "This issue did not affect the Linux kernel as shipped with Red Hat Enterprise Linux 4, and 5. This has been addressed in Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2012-0670.html. This has been addressed in Red Hat Enterprise Linux 6 via https://rhn.redhat.com/errata/RHSA-2012-0743.html.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "release_date" : "2012-06-18T00:00:00Z",
    "advisory" : "RHSA-2012:0743",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6",
    "package" : "kernel-0:2.6.32-220.23.1.el6"
  }, {
    "product_name" : "Red Hat Enterprise MRG 2",
    "release_date" : "2012-05-15T00:00:00Z",
    "advisory" : "RHSA-2012:0670",
    "cpe" : "cpe:/a:redhat:enterprise_mrg:2:server:el6",
    "package" : "kernel-rt-0:3.0.30-rt50.62.el6rt"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 4",
    "fix_state" : "Will not fix",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2012-2123\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-2123" ],
  "name" : "CVE-2012-2123",
  "csaw" : false
}