{
  "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-2022-49823",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-49823",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-05-01T14:09:44.205Z",
    "updatedAt": "2026-05-11T19:07:27.701Z",
    "importedAt": "2026-10-24T01:56:49.724Z",
    "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": "ata: libata-transport: fix error handling in ata_tdev_add()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nata: libata-transport: fix error handling in ata_tdev_add()\n\nIn ata_tdev_add(), the return value of transport_add_device() is\nnot checked. As a result, it causes null-ptr-deref while removing\nthe module, because transport_remove_device() is called to remove\nthe device that was not added.\n\nUnable to handle kernel NULL pointer dereference at virtual address 00000000000000d0\nCPU: 13 PID: 13603 Comm: rmmod Kdump: loaded Tainted: G        W          6.1.0-rc3+ #36\npstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\npc : device_del+0x48/0x3a0\nlr : device_del+0x44/0x3a0\nCall trace:\n device_del+0x48/0x3a0\n attribute_container_class_device_del+0x28/0x40\n transport_remove_classdev+0x60/0x7c\n attribute_container_device_trigger+0x118/0x120\n transport_remove_device+0x20/0x30\n ata_tdev_delete+0x24/0x50 [libata]\n ata_tlink_delete+0x40/0xa0 [libata]\n ata_tport_delete+0x2c/0x60 [libata]\n ata_port_detach+0x148/0x1b0 [libata]\n ata_pci_remove_one+0x50/0x80 [libata]\n ahci_remove_one+0x4c/0x8c [ahci]\n\nFix this by checking and handling return value of transport_add_device()\nin ata_tdev_add(). In the error path, device_del() is called to delete\nthe device which was added earlier in this function, and ata_tdev_free()\nis called to free ata_dev.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "d9027470b88631d0956ac37cdadfdeb9cdcf2c99",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ef2ac07ab83163b9a53f45da20e14302591ad9cc"
            },
            {
              "version": "d9027470b88631d0956ac37cdadfdeb9cdcf2c99",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f23058dc2398db1d8faca9a2b1ce30b85cdd8b22"
            },
            {
              "version": "d9027470b88631d0956ac37cdadfdeb9cdcf2c99",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f54331962883f4fc4bf5e487e6e7cf07c4567fef"
            },
            {
              "version": "d9027470b88631d0956ac37cdadfdeb9cdcf2c99",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1ff36351309e3eadcff297480baf4785e726de9b"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.37",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.37"
            },
            {
              "version": "5.10.156",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.80",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.0.10",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.0.*"
            },
            {
              "version": "6.1",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}