{
  "threat_severity" : "Moderate",
  "public_date" : "2009-07-27T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: ext4: Avoid null pointer dereference when decoding EROFS w/o a journal",
    "id" : "547255",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=547255"
  },
  "cvss" : {
    "cvss_base_score" : "6.2",
    "cvss_scoring_vector" : "AV:L/AC:H/Au:N/C:C/I:C/A:C",
    "status" : "verified"
  },
  "cwe" : "CWE-476",
  "details" : [ "The ext4_decode_error function in fs/ext4/super.c in the ext4 filesystem in the Linux kernel before 2.6.32 allows user-assisted remote attackers to cause a denial of service (NULL pointer dereference), and possibly have unspecified other impact, via a crafted read-only filesystem that lacks a journal." ],
  "statement" : "The Linux kernel packages as shipped with Red Hat Enterprise Linux 3, 4 and Red Hat Enterprise MRG do not include support for EXT4, and therefore are not affected by this issue.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "release_date" : "2010-03-17T00:00:00Z",
    "advisory" : "RHSA-2010:0147",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5",
    "package" : "kernel-0:2.6.18-164.15.1.el5"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2009-4308\nhttps://nvd.nist.gov/vuln/detail/CVE-2009-4308" ],
  "name" : "CVE-2009-4308",
  "csaw" : false
}