{
  "threat_severity" : "Moderate",
  "public_date" : "2024-11-05T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: drm/amd: Guard against bad data for ATIF ACPI method",
    "id" : "2323932",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2323932"
  },
  "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-476",
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\ndrm/amd: Guard against bad data for ATIF ACPI method\nIf a BIOS provides bad data in response to an ATIF method call\nthis causes a NULL pointer dereference in the caller.\n```\n? show_regs (arch/x86/kernel/dumpstack.c:478 (discriminator 1))\n? __die (arch/x86/kernel/dumpstack.c:423 arch/x86/kernel/dumpstack.c:434)\n? page_fault_oops (arch/x86/mm/fault.c:544 (discriminator 2) arch/x86/mm/fault.c:705 (discriminator 2))\n? do_user_addr_fault (arch/x86/mm/fault.c:440 (discriminator 1) arch/x86/mm/fault.c:1232 (discriminator 1))\n? acpi_ut_update_object_reference (drivers/acpi/acpica/utdelete.c:642)\n? exc_page_fault (arch/x86/mm/fault.c:1542)\n? asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623)\n? amdgpu_atif_query_backlight_caps.constprop.0 (drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c:387 (discriminator 2)) amdgpu\n? amdgpu_atif_query_backlight_caps.constprop.0 (drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c:386 (discriminator 1)) amdgpu\n```\nIt has been encountered on at least one system, so guard for it.\n(cherry picked from commit c9b7c809b89f24e9372a4e7f02d64c950b07fdee)" ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2025-05-13T00:00:00Z",
    "advisory" : "RHSA-2025:6966",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-570.12.1.el9_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2025-05-13T00:00:00Z",
    "advisory" : "RHSA-2025:6966",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-570.12.1.el9_6"
  } ],
  "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" : "Out of support scope",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Will not fix",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Will not fix",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Will not fix",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2024-50117\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-50117\nhttps://lore.kernel.org/linux-cve-announce/2024110555-CVE-2024-50117-83b1@gregkh/T" ],
  "name" : "CVE-2024-50117",
  "csaw" : false
}