{
  "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-2022-49295",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-49295",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-02-26T02:01:25.659Z",
    "updatedAt": "2026-08-05T08:54:41.429Z",
    "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": "nbd: call genl_unregister_family() first in nbd_cleanup()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnbd: call genl_unregister_family() first in nbd_cleanup()\n\nOtherwise there may be race between module removal and the handling of\nnetlink command, which can lead to the oops as shown below:\n\n  BUG: kernel NULL pointer dereference, address: 0000000000000098\n  Oops: 0002 [#1] SMP PTI\n  CPU: 1 PID: 31299 Comm: nbd-client Tainted: G            E     5.14.0-rc4\n  Hardware name: QEMU Standard PC (i440FX + PIIX, 1996)\n  RIP: 0010:down_write+0x1a/0x50\n  Call Trace:\n   start_creating+0x89/0x130\n   debugfs_create_dir+0x1b/0x130\n   nbd_start_device+0x13d/0x390 [nbd]\n   nbd_genl_connect+0x42f/0x748 [nbd]\n   genl_family_rcv_msg_doit.isra.0+0xec/0x150\n   genl_rcv_msg+0xe5/0x1e0\n   netlink_rcv_skb+0x55/0x100\n   genl_rcv+0x29/0x40\n   netlink_unicast+0x1a8/0x250\n   netlink_sendmsg+0x21b/0x430\n   ____sys_sendmsg+0x2a4/0x2d0\n   ___sys_sendmsg+0x81/0xc0\n   __sys_sendmsg+0x62/0xb0\n   __x64_sys_sendmsg+0x1f/0x30\n   do_syscall_64+0x3b/0xc0\n   entry_SYSCALL_64_after_hwframe+0x44/0xae\n  Modules linked in: nbd(E-)",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "e46c7287b1c27683a8e30ca825fb98e2b97f1099",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8a1435c862ea09b06be7acda325128dc08458e25"
            },
            {
              "version": "e46c7287b1c27683a8e30ca825fb98e2b97f1099",
              "status": "affected",
              "versionType": "git",
              "lessThan": "013a79f1b5c89290e2e97f1ebf14b14e0cf5fe5c"
            },
            {
              "version": "e46c7287b1c27683a8e30ca825fb98e2b97f1099",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1be608e1ee1f222464b2856bda9b85ab5184a33e"
            },
            {
              "version": "e46c7287b1c27683a8e30ca825fb98e2b97f1099",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c0868f6e728c3c28bef0e8bee89d2daf86a8bbca"
            },
            {
              "version": "e46c7287b1c27683a8e30ca825fb98e2b97f1099",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cbeafa7a79d08ecdb55f8f1d41a11323d0f709db"
            },
            {
              "version": "e46c7287b1c27683a8e30ca825fb98e2b97f1099",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6f505bbb8063fd3a238a4239d2d8c165e5279f6f"
            },
            {
              "version": "e46c7287b1c27683a8e30ca825fb98e2b97f1099",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3d5da1ffba3388c2ae2e6c598855a4d887d3bf79"
            },
            {
              "version": "e46c7287b1c27683a8e30ca825fb98e2b97f1099",
              "status": "affected",
              "versionType": "git",
              "lessThan": "06c4da89c24e7023ea448cadf8e9daf06a0aae6e"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.12",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.12"
            },
            {
              "version": "4.14.283",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.247",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.198",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.122",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.47",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "5.17.15",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.17.*"
            },
            {
              "version": "5.18.4",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.18.*"
            },
            {
              "version": "5.19",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}