{
  "threat_severity" : "Low",
  "public_date" : "2024-02-23T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: bpf: fix check for attempt to corrupt spilled pointer",
    "id" : "2265798",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2265798"
  },
  "cvss3" : {
    "cvss3_base_score" : "4.4",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N",
    "status" : "verified"
  },
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\nbpf: fix check for attempt to corrupt spilled pointer\nWhen register is spilled onto a stack as a 1/2/4-byte register, we set\nslot_type[BPF_REG_SIZE - 1] (plus potentially few more below it,\ndepending on actual spill size). So to check if some stack slot has\nspilled register we need to consult slot_type[7], not slot_type[0].\nTo avoid the need to remember and double-check this in the future, just\nuse is_spilled_reg() helper.", "A flaw was found in the Linux kernel. When the register is spilled onto a stack as a 1/2/4-byte register, the slot_type[BPF_REG_SIZE - 1]  is set, possibly including a few more below it, depending on the actual spill size. To confirm if some stack slots have a spilled register, consult slot_type[7], not slot_type[0]. To avoid the need to remember and double-check this in the future, use the is_spilled_reg() helper." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-11-12T00:00:00Z",
    "advisory" : "RHSA-2024:9315",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-503.11.1.el9_5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-11-12T00:00:00Z",
    "advisory" : "RHSA-2024:9315",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-503.11.1.el9_5"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Out of support scope",
    "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" : "Affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2023-52462\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52462\nhttps://lore.kernel.org/linux-cve-announce/2024022335-CVE-2023-52462-b663@gregkh/T/#u" ],
  "name" : "CVE-2023-52462",
  "mitigation" : {
    "value" : "No mitigation is currently available for this vulnerability. Make sure to perform the updates as they become available.",
    "lang" : "en:us"
  },
  "csaw" : false
}