{
  "threat_severity" : "Important",
  "public_date" : "2009-07-31T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: execve: must clear current->clear_child_tid",
    "id" : "515423",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=515423"
  },
  "cvss" : {
    "cvss_base_score" : "7.2",
    "cvss_scoring_vector" : "AV:L/AC:L/Au:N/C:C/I:C/A:C",
    "status" : "verified"
  },
  "cwe" : "CWE-119",
  "details" : [ "The execve function in the Linux kernel, possibly 2.6.30-rc6 and earlier, does not properly clear the current->clear_child_tid pointer, which allows local users to cause a denial of service (memory corruption) or possibly gain privileges via a clone system call with CLONE_CHILD_SETTID or CLONE_CHILD_CLEARTID enabled, which is not properly handled during thread creation and exit." ],
  "affected_release" : [ {
    "product_name" : "MRG for RHEL-5",
    "release_date" : "2009-09-01T00:00:00Z",
    "advisory" : "RHSA-2009:1239",
    "cpe" : "cpe:/a:redhat:enterprise_mrg:1::el5",
    "package" : "kernel-rt-0:2.6.24.7-132.el5rt"
  }, {
    "product_name" : "Red Hat Enterprise Linux 3",
    "release_date" : "2009-11-03T00:00:00Z",
    "advisory" : "RHSA-2009:1550",
    "cpe" : "cpe:/o:redhat:enterprise_linux:3",
    "package" : "kernel-0:2.4.21-63.EL"
  }, {
    "product_name" : "Red Hat Enterprise Linux 4",
    "release_date" : "2009-09-15T00:00:00Z",
    "advisory" : "RHSA-2009:1438",
    "cpe" : "cpe:/o:redhat:enterprise_linux:4",
    "package" : "kernel-0:2.6.9-89.0.11.EL"
  }, {
    "product_name" : "Red Hat Enterprise Linux 5",
    "release_date" : "2009-09-02T00:00:00Z",
    "advisory" : "RHSA-2009:1243",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5",
    "package" : "kernel-0:2.6.18-164.el5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 5.3.Z - Server Only",
    "release_date" : "2009-09-29T00:00:00Z",
    "advisory" : "RHSA-2009:1466",
    "cpe" : "cpe:/o:redhat:rhel_eus:5.3",
    "package" : "kernel-0:2.6.18-128.8.1.el5"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2009-2848\nhttps://nvd.nist.gov/vuln/detail/CVE-2009-2848" ],
  "name" : "CVE-2009-2848",
  "csaw" : false
}