{
  "threat_severity" : "Important",
  "public_date" : "2011-02-22T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: drm_modeset_ctl signedness issue",
    "id" : "679925",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=679925"
  },
  "cvss" : {
    "cvss_base_score" : "6.9",
    "cvss_scoring_vector" : "AV:L/AC:M/Au:N/C:C/I:C/A:C",
    "status" : "verified"
  },
  "details" : [ "Integer signedness error in the drm_modeset_ctl function in (1) drivers/gpu/drm/drm_irq.c in the Direct Rendering Manager (DRM) subsystem in the Linux kernel before 2.6.38 and (2) sys/dev/pci/drm/drm_irq.c in the kernel in OpenBSD before 4.9 allows local users to trigger out-of-bounds write operations, and consequently cause a denial of service (system crash) or possibly have unspecified other impact, via a crafted num_crtcs (aka vb_num) structure member in an ioctl argument." ],
  "statement" : "This issue did not affect the versions of the Linux kernel as shipped with Red\nHat Enterprise Linux 4, 5 as they did not include the affected functionality. A future update in Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG may address this flaw.",
  "affected_release" : [ {
    "product_name" : "MRG for RHEL-5",
    "release_date" : "2011-05-10T00:00:00Z",
    "advisory" : "RHSA-2011:0500",
    "cpe" : "cpe:/a:redhat:enterprise_mrg:1::el5",
    "package" : "kernel-rt-0:2.6.33.9-rt31.64.el5rt"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "release_date" : "2011-05-10T00:00:00Z",
    "advisory" : "RHSA-2011:0498",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6",
    "package" : "kernel-0:2.6.32-71.29.1.el6"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2011-1013\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-1013" ],
  "name" : "CVE-2011-1013",
  "csaw" : false
}