{
  "threat_severity" : "Critical",
  "public_date" : "2022-12-22T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: smb2_write() fails to validate user supplied data which can result in out-of-bounds read",
    "id" : "2155944",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2155944"
  },
  "cvss3" : {
    "cvss3_base_score" : "8.1",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
    "status" : "draft"
  },
  "cwe" : "CWE-125",
  "details" : [ "An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.18 before 5.18.18. fs/ksmbd/smb2pdu.c lacks length validation in the non-padding case in smb2_write." ],
  "statement" : "There was no shipped kernel version that was seen affected by this problem. These files are not built in our source code. See https://access.redhat.com/solutions/6991749 for more information.",
  "package_state" : [ {
    "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 8",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Not affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Not affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2022-47940\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-47940\nhttps://lore.kernel.org/lkml/20220819153711.816369367@linuxfoundation.org/\nhttps://www.openwall.com/lists/oss-security/2022/12/22/9\nhttps://www.zerodayinitiative.com/advisories/ZDI-22-1691/" ],
  "name" : "CVE-2022-47940",
  "csaw" : false
}