{
  "threat_severity" : "Low",
  "public_date" : "2022-12-01T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: incorrect check for error case in the memory_tier_init",
    "id" : "2182689",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2182689"
  },
  "cvss3" : {
    "cvss3_base_score" : "0.0",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:N",
    "status" : "draft"
  },
  "cwe" : "CWE-252",
  "details" : [ "In the Linux kernel before 6.2, mm/memory-tiers.c misinterprets the alloc_memory_type return value (expects it to be NULL in the error case, whereas it is actually an error pointer). NOTE: this is disputed by third parties because there are no realistic cases in which a user can cause the alloc_memory_type error case to be reached.", "A flaw was found in the Linux kernel’s mm/memory-tiers.c functionality in the memory_tier_init function, where an incorrect return value check from the alloc_memory_type occurs. The CVE is disputed because there are no realistic cases in which a user can cause the alloc_memory_type error case to be reached." ],
  "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-2023-23005\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-23005" ],
  "name" : "CVE-2023-23005",
  "csaw" : false
}