{
  "threat_severity" : "Moderate",
  "public_date" : "2024-08-22T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: iommu/amd: Fix I/O page table memory leak",
    "id" : "2307157",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2307157"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-401",
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\niommu/amd: Fix I/O page table memory leak\nThe current logic updates the I/O page table mode for the domain\nbefore calling the logic to free memory used for the page table.\nThis results in IOMMU page table memory leak, and can be observed\nwhen launching VM w/ pass-through devices.\nFix by freeing the memory used for page table before updating the mode." ],
  "statement" : "This issue is fixed in RHEL-8.6 and above (including RHEL 8.10)\n~~~\nin (rhel-8.6, rhel-8.7, rhel-8.8, rhel-8.9, rhel-8.10) iommu/amd: Fix I/O page table memory leak\n~~~",
  "affected_release" : [ {
    "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 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" : "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-2022-48904\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-48904\nhttps://lore.kernel.org/linux-cve-announce/2024082212-CVE-2022-48904-b02c@gregkh/T" ],
  "name" : "CVE-2022-48904",
  "csaw" : false
}