{
  "threat_severity" : "Moderate",
  "public_date" : "2010-11-10T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: possible kernel oops from user MSS",
    "id" : "652508",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=652508"
  },
  "cvss" : {
    "cvss_base_score" : "4.9",
    "cvss_scoring_vector" : "AV:L/AC:L/Au:N/C:N/I:N/A:C",
    "status" : "verified"
  },
  "details" : [ "The do_tcp_setsockopt function in net/ipv4/tcp.c in the Linux kernel before 2.6.37-rc2 does not properly restrict TCP_MAXSEG (aka MSS) values, which allows local users to cause a denial of service (OOPS) via a setsockopt call that specifies a small value, leading to a divide-by-zero error or incorrect use of a signed integer." ],
  "statement" : "This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 4 and 5 as they did not backport the upstream commit that introduced the issue. This has been addressed in Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-0283.html and https://rhn.redhat.com/errata/RHSA-2011-0330.html.",
  "acknowledgement" : "Red Hat would like to thank Steve Chen for reporting this issue.",
  "affected_release" : [ {
    "product_name" : "MRG for RHEL-5",
    "release_date" : "2011-03-10T00:00:00Z",
    "advisory" : "RHSA-2011:0330",
    "cpe" : "cpe:/a:redhat:enterprise_mrg:1::el5",
    "package" : "kernel-rt-0:2.6.33.7-rt29.55.el5rt"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "release_date" : "2011-02-22T00:00:00Z",
    "advisory" : "RHSA-2011:0283",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6",
    "package" : "kernel-0:2.6.32-71.18.1.el6"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2010-4165\nhttps://nvd.nist.gov/vuln/detail/CVE-2010-4165" ],
  "name" : "CVE-2010-4165",
  "csaw" : false
}