{
  "threat_severity" : "Moderate",
  "public_date" : "2009-09-28T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: megaraid_sas permissions in sysfs",
    "id" : "526068",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=526068"
  },
  "cvss" : {
    "cvss_base_score" : "3.6",
    "cvss_scoring_vector" : "AV:L/AC:L/Au:N/C:N/I:P/A:P",
    "status" : "verified"
  },
  "details" : [ "The poll_mode_io file for the megaraid_sas driver in the Linux kernel 2.6.31.6 and earlier has world-writable permissions, which allows local users to change the I/O mode of the driver by modifying this file." ],
  "statement" : "This issue did not affect the version of the Linux kernel as shipped with Red Hat Enterprise Linux 3, as it does not implement the sysfs file system (\"/sys/\"), through which poll_mode_io file is exposed by the megaraid_sas driver.",
  "affected_release" : [ {
    "product_name" : "MRG for RHEL-5",
    "release_date" : "2009-12-03T00:00:00Z",
    "advisory" : "RHSA-2009:1635",
    "cpe" : "cpe:/a:redhat:enterprise_mrg:1::el5",
    "package" : "kernel-rt-0:2.6.24.7-139.el5rt"
  }, {
    "product_name" : "Red Hat Enterprise Linux 4",
    "release_date" : "2010-02-02T00:00:00Z",
    "advisory" : "RHSA-2010:0076",
    "cpe" : "cpe:/o:redhat:enterprise_linux:4",
    "package" : "kernel-0:2.6.9-89.0.20.EL"
  }, {
    "product_name" : "Red Hat Enterprise Linux 5",
    "release_date" : "2010-01-19T00:00:00Z",
    "advisory" : "RHSA-2010:0046",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5",
    "package" : "kernel-0:2.6.18-164.11.1.el5"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2009-3939\nhttps://nvd.nist.gov/vuln/detail/CVE-2009-3939" ],
  "name" : "CVE-2009-3939",
  "csaw" : false
}