{
  "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-2022-49842",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-49842",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-05-01T14:09:57.711Z",
    "updatedAt": "2026-05-11T19:07:49.831Z",
    "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": "ASoC: core: Fix use-after-free in snd_soc_exit()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: core: Fix use-after-free in snd_soc_exit()\n\nKASAN reports a use-after-free:\n\nBUG: KASAN: use-after-free in device_del+0xb5b/0xc60\nRead of size 8 at addr ffff888008655050 by task rmmod/387\nCPU: 2 PID: 387 Comm: rmmod\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996)\nCall Trace:\n<TASK>\ndump_stack_lvl+0x79/0x9a\nprint_report+0x17f/0x47b\nkasan_report+0xbb/0xf0\ndevice_del+0xb5b/0xc60\nplatform_device_del.part.0+0x24/0x200\nplatform_device_unregister+0x2e/0x40\nsnd_soc_exit+0xa/0x22 [snd_soc_core]\n__do_sys_delete_module.constprop.0+0x34f/0x5b0\ndo_syscall_64+0x3a/0x90\nentry_SYSCALL_64_after_hwframe+0x63/0xcd\n...\n</TASK>\n\nIt's bacause in snd_soc_init(), snd_soc_util_init() is possble to fail,\nbut its ret is ignored, which makes soc_dummy_dev unregistered twice.\n\nsnd_soc_init()\n    snd_soc_util_init()\n        platform_device_register_simple(soc_dummy_dev)\n        platform_driver_register() # fail\n    \tplatform_device_unregister(soc_dummy_dev)\n    platform_driver_register() # success\n...\nsnd_soc_exit()\n    snd_soc_util_exit()\n    # soc_dummy_dev will be unregistered for second time\n\nTo fix it, handle error and stop snd_soc_init() when util_init() fail.\nAlso clean debugfs when util_init() or driver_register() fail.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "fb257897bf20c5f0e1df584bb5b874e811651263",
              "status": "affected",
              "versionType": "git",
              "lessThan": "41fad4f712e081acdfde8b59847f9f66eaf407a0"
            },
            {
              "version": "fb257897bf20c5f0e1df584bb5b874e811651263",
              "status": "affected",
              "versionType": "git",
              "lessThan": "90bbdf30a51e42378cb23a312005a022794b8e1e"
            },
            {
              "version": "fb257897bf20c5f0e1df584bb5b874e811651263",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a3365e62239dc064019a244bde5686ac18527c22"
            },
            {
              "version": "fb257897bf20c5f0e1df584bb5b874e811651263",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2ec3f558db343b045a7c7419cdbaec266b8ac1a7"
            },
            {
              "version": "fb257897bf20c5f0e1df584bb5b874e811651263",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8d21554ec7680e9585fb852d933203c3db60dad1"
            },
            {
              "version": "fb257897bf20c5f0e1df584bb5b874e811651263",
              "status": "affected",
              "versionType": "git",
              "lessThan": "34eee4189bcebbd5f6a2ff25ef0cb893ad33d51e"
            },
            {
              "version": "fb257897bf20c5f0e1df584bb5b874e811651263",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c5674bd073c0fd9f620ca550c5ff08d0d429bdd9"
            },
            {
              "version": "fb257897bf20c5f0e1df584bb5b874e811651263",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6ec27c53886c8963729885bcf2dd996eba2767a7"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "3.0",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "3.0"
            },
            {
              "version": "4.9.334",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.9.*"
            },
            {
              "version": "4.14.300",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.267",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.225",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "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": "*"
            }
          ]
        }
      ]
    }
  }
}