{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2024-46824",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-46824",
    "idYear": 2024,
    "status": "PUBLISHED",
    "publishedAt": "2024-09-27T12:39:24.563Z",
    "updatedAt": "2026-05-11T20:37:15.820Z",
    "importedAt": "2026-10-24T01:57:16.009Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "iommufd: Require drivers to supply the cache_invalidate_user ops",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\niommufd: Require drivers to supply the cache_invalidate_user ops\n\nIf drivers don't do this then iommufd will oops invalidation ioctls with\nsomething like:\n\n  Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\n  Mem abort info:\n    ESR = 0x0000000086000004\n    EC = 0x21: IABT (current EL), IL = 32 bits\n    SET = 0, FnV = 0\n    EA = 0, S1PTW = 0\n    FSC = 0x04: level 0 translation fault\n  user pgtable: 4k pages, 48-bit VAs, pgdp=0000000101059000\n  [0000000000000000] pgd=0000000000000000, p4d=0000000000000000\n  Internal error: Oops: 0000000086000004 [#1] PREEMPT SMP\n  Modules linked in:\n  CPU: 2 PID: 371 Comm: qemu-system-aar Not tainted 6.8.0-rc7-gde77230ac23a #9\n  Hardware name: linux,dummy-virt (DT)\n  pstate: 81400809 (Nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=-c)\n  pc : 0x0\n  lr : iommufd_hwpt_invalidate+0xa4/0x204\n  sp : ffff800080f3bcc0\n  x29: ffff800080f3bcf0 x28: ffff0000c369b300 x27: 0000000000000000\n  x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000\n  x23: 0000000000000000 x22: 00000000c1e334a0 x21: ffff0000c1e334a0\n  x20: ffff800080f3bd38 x19: ffff800080f3bd58 x18: 0000000000000000\n  x17: 0000000000000000 x16: 0000000000000000 x15: 0000ffff8240d6d8\n  x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000\n  x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000\n  x8 : 0000001000000002 x7 : 0000fffeac1ec950 x6 : 0000000000000000\n  x5 : ffff800080f3bd78 x4 : 0000000000000003 x3 : 0000000000000002\n  x2 : 0000000000000000 x1 : ffff800080f3bcc8 x0 : ffff0000c6034d80\n  Call trace:\n   0x0\n   iommufd_fops_ioctl+0x154/0x274\n   __arm64_sys_ioctl+0xac/0xf0\n   invoke_syscall+0x48/0x110\n   el0_svc_common.constprop.0+0x40/0xe0\n   do_el0_svc+0x1c/0x28\n   el0_svc+0x34/0xb4\n   el0t_64_sync_handler+0x120/0x12c\n   el0t_64_sync+0x190/0x194\n\nAll existing drivers implement this op for nesting, this is mostly a\nbisection aid.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "8c6eabae3807e048b9f17733af5e20500fbf858c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "89827a4de802765b1ebb401fc1e73a90108c7520"
            },
            {
              "version": "8c6eabae3807e048b9f17733af5e20500fbf858c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a11dda723c6493bb1853bbc61c093377f96e2d47"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.8",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.8"
            },
            {
              "version": "6.10.10",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.10.*"
            },
            {
              "version": "6.11",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}