{
  "threat_severity" : "Moderate",
  "public_date" : "2009-07-02T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: do_coredump() vs ptrace_start() deadlock",
    "id" : "504263",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=504263"
  },
  "cvss" : {
    "cvss_base_score" : "2.1",
    "cvss_scoring_vector" : "AV:L/AC:L/Au:N/C:N/I:N/A:P",
    "status" : "verified"
  },
  "details" : [ "The ptrace_start function in kernel/ptrace.c in the Linux kernel 2.6.18 does not properly handle simultaneous execution of the do_coredump function, which allows local users to cause a denial of service (deadlock) via vectors involving the ptrace system call and a coredumping thread." ],
  "statement" : "This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 3, 4, and Red Hat Enterprise MRG.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "release_date" : "2009-08-04T00:00:00Z",
    "advisory" : "RHSA-2009:1193",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5",
    "package" : "kernel-0:2.6.18-128.4.1.el5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 5.3.Z - Server Only",
    "release_date" : "2009-08-04T00:00:00Z",
    "advisory" : "RHSA-2009:1193",
    "cpe" : "cpe:/o:redhat:rhel_eus:5.3",
    "package" : "kernel-0:2.6.18-128.4.1.el5"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2009-1388\nhttps://nvd.nist.gov/vuln/detail/CVE-2009-1388" ],
  "name" : "CVE-2009-1388",
  "csaw" : false
}