{
  "threat_severity" : "Moderate",
  "public_date" : "2021-08-20T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: out-of-bound Read in qrtr_endpoint_post in net/qrtr/qrtr.c",
    "id" : "1997961",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1997961"
  },
  "cvss3" : {
    "cvss3_base_score" : "6.2",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-125",
  "details" : [ "An out-of-bounds (OOB) memory read flaw was found in the Qualcomm IPC router protocol in the Linux kernel. A missing sanity check allows a local attacker to gain access to out-of-bounds memory, leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to system availability.", "An out-of-bounds (OOB) memory read flaw was found in the Qualcomm IPC router protocol in the Linux kernel. A missing sanity check allows a local attacker to gain access to out-of-bounds memory, leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to system availability." ],
  "statement" : "There was no shipped kernel version that was seen affected by this problem. These files are not built in our source code.",
  "acknowledgement" : "Red Hat would like to thank Active Defense Lab (Venustech) for reporting this issue.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2022-05-10T00:00:00Z",
    "advisory" : "RHSA-2022:1975",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8::nfv",
    "package" : "kernel-rt-0:4.18.0-372.9.1.rt7.166.el8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2022-05-10T00:00:00Z",
    "advisory" : "RHSA-2022:1988",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "kernel-0:4.18.0-372.9.1.el8"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2021-3743\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-3743\nhttps://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=7e78c597c3eb\nhttps://lists.openwall.net/netdev/2021/08/17/124" ],
  "name" : "CVE-2021-3743",
  "mitigation" : {
    "value" : "Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
    "lang" : "en:us"
  },
  "csaw" : false
}