{
  "threat_severity" : "Low",
  "public_date" : "2011-03-23T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: sysctl: restrict write access to dmesg_restrict",
    "id" : "749243",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=749243"
  },
  "cvss" : {
    "cvss_base_score" : "1.5",
    "cvss_scoring_vector" : "AV:L/AC:M/Au:S/C:P/I:N/A:N",
    "status" : "verified"
  },
  "details" : [ "The sysrq_sysctl_handler function in kernel/sysctl.c in the Linux kernel before 2.6.39 does not require the CAP_SYS_ADMIN capability to modify the dmesg_restrict value, which allows local users to bypass intended access restrictions and read the kernel ring buffer by leveraging root privileges, as demonstrated by a root user in a Linux Containers (aka LXC) environment." ],
  "statement" : "Red Hat Enterprise Linux 4 is now in Production 3 of the maintenance\nlife-cycle, https://access.redhat.com/support/policy/updates/errata/, therefore\nthe fix for this issue is not currently planned to be included in the future\nupdates. Future kernel updates in Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG may address this flaw.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "release_date" : "2012-04-17T00:00:00Z",
    "advisory" : "RHSA-2012:0481",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6",
    "package" : "kernel-0:2.6.32-220.13.1.el6"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 4",
    "fix_state" : "Affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  }, {
    "product_name" : "Red Hat Enterprise Linux Extended Update Support 6.2",
    "fix_state" : "Affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:rhel_eus:6.2"
  }, {
    "product_name" : "Red Hat Enterprise MRG 2",
    "fix_state" : "Affected",
    "package_name" : "realtime-kernel",
    "cpe" : "cpe:/a:redhat:enterprise_mrg:2"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2011-4080\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-4080" ],
  "name" : "CVE-2011-4080",
  "csaw" : false
}