{
  "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-2022-49476",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-49476",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-02-26T02:13:18.013Z",
    "updatedAt": "2026-05-11T19:00:37.664Z",
    "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": "mt76: mt7921: fix kernel crash at mt7921_pci_remove",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nmt76: mt7921: fix kernel crash at mt7921_pci_remove\n\nThe crash log shown it is possible that mt7921_irq_handler is called while\ndevm_free_irq is being handled so mt76_free_device need to be postponed\nuntil devm_free_irq is completed to solve the crash we free the mt76 device\ntoo early.\n\n[ 9299.339655] BUG: kernel NULL pointer dereference, address: 0000000000000008\n[ 9299.339705] #PF: supervisor read access in kernel mode\n[ 9299.339735] #PF: error_code(0x0000) - not-present page\n[ 9299.339768] PGD 0 P4D 0\n[ 9299.339786] Oops: 0000 [#1] SMP PTI\n[ 9299.339812] CPU: 1 PID: 1624 Comm: prepare-suspend Not tainted 5.15.14-1.fc32.qubes.x86_64 #1\n[ 9299.339863] Hardware name: Xen HVM domU, BIOS 4.14.3 01/20/2022\n[ 9299.339901] RIP: 0010:mt7921_irq_handler+0x1e/0x70 [mt7921e]\n[ 9299.340048] RSP: 0018:ffffa81b80c27cb0 EFLAGS: 00010082\n[ 9299.340081] RAX: 0000000000000000 RBX: ffff98a4cb752020 RCX: ffffffffa96211c5\n[ 9299.340123] RDX: 0000000000000000 RSI: 00000000000d4204 RDI: ffff98a4cb752020\n[ 9299.340165] RBP: ffff98a4c28a62a4 R08: ffff98a4c37a96c0 R09: 0000000080150011\n[ 9299.340207] R10: 0000000040000000 R11: 0000000000000000 R12: ffff98a4c4eaa080\n[ 9299.340249] R13: ffff98a4c28a6360 R14: ffff98a4cb752020 R15: ffff98a4c28a6228\n[ 9299.340297] FS: 00007260840d3740(0000) GS:ffff98a4ef700000(0000) knlGS:0000000000000000\n[ 9299.340345] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 9299.340383] CR2: 0000000000000008 CR3: 0000000004c56001 CR4: 0000000000770ee0\n[ 9299.340432] PKRU: 55555554\n[ 9299.340449] Call Trace:\n[ 9299.340467] <TASK>\n[ 9299.340485] __free_irq+0x221/0x350\n[ 9299.340527] free_irq+0x30/0x70\n[ 9299.340553] devm_free_irq+0x55/0x80\n[ 9299.340579] mt7921_pci_remove+0x2f/0x40 [mt7921e]\n[ 9299.340616] pci_device_remove+0x3b/0xa0\n[ 9299.340651] __device_release_driver+0x17a/0x240\n[ 9299.340686] device_driver_detach+0x3c/0xa0\n[ 9299.340714] unbind_store+0x113/0x130\n[ 9299.340740] kernfs_fop_write_iter+0x124/0x1b0\n[ 9299.340775] new_sync_write+0x15c/0x1f0\n[ 9299.340806] vfs_write+0x1d2/0x270\n[ 9299.340831] ksys_write+0x67/0xe0\n[ 9299.340857] do_syscall_64+0x3b/0x90\n[ 9299.340887] entry_SYSCALL_64_after_hwframe+0x44/0xae",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "5c14a5f944b91371961548b1907802f74a4d2e5c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "09693f5b636fb3f6dd56fd943226fc1bbc600b51"
            },
            {
              "version": "5c14a5f944b91371961548b1907802f74a4d2e5c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "677e669973bf5460705bc65033445ea9f6615999"
            },
            {
              "version": "5c14a5f944b91371961548b1907802f74a4d2e5c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ad483ed9dd5193a54293269c852a29051813b7bd"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.12",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.12"
            },
            {
              "version": "5.17.14",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.17.*"
            },
            {
              "version": "5.18.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.18.*"
            },
            {
              "version": "5.19",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}