{
  "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-2022-49307",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-49307",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-02-26T02:10:39.151Z",
    "updatedAt": "2026-05-11T18:57:09.382Z",
    "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": "tty: synclink_gt: Fix null-pointer-dereference in slgt_clean()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ntty: synclink_gt: Fix null-pointer-dereference in slgt_clean()\n\nWhen the driver fails at alloc_hdlcdev(), and then we remove the driver\nmodule, we will get the following splat:\n\n[   25.065966] general protection fault, probably for non-canonical address 0xdffffc0000000182: 0000 [#1] PREEMPT SMP KASAN PTI\n[   25.066914] KASAN: null-ptr-deref in range [0x0000000000000c10-0x0000000000000c17]\n[   25.069262] RIP: 0010:detach_hdlc_protocol+0x2a/0x3e0\n[   25.077709] Call Trace:\n[   25.077924]  <TASK>\n[   25.078108]  unregister_hdlc_device+0x16/0x30\n[   25.078481]  slgt_cleanup+0x157/0x9f0 [synclink_gt]\n\nFix this by checking whether the 'info->netdev' is a null pointer first.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "705b6c7b34f2621f95f606d0e683daa10cdb8eb9",
              "status": "affected",
              "versionType": "git",
              "lessThan": "50c341f9a2adc4c32a8ad5a39eb99d9c4a419e0d"
            },
            {
              "version": "705b6c7b34f2621f95f606d0e683daa10cdb8eb9",
              "status": "affected",
              "versionType": "git",
              "lessThan": "078212ad15dbd88840c82c97f12c93d83703c8fd"
            },
            {
              "version": "705b6c7b34f2621f95f606d0e683daa10cdb8eb9",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ba08cbc5b53e151d0acf1930fb526fc65b7f3e65"
            },
            {
              "version": "705b6c7b34f2621f95f606d0e683daa10cdb8eb9",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f6e07eb7ebec53ffe81fc2489589320fbe4a6b75"
            },
            {
              "version": "705b6c7b34f2621f95f606d0e683daa10cdb8eb9",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d68d5e68b7f64de7170f8e04dd9b995c36b2c71c"
            },
            {
              "version": "705b6c7b34f2621f95f606d0e683daa10cdb8eb9",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8a95696bdc0e13f8980f05b54a3b9081963d1256"
            },
            {
              "version": "705b6c7b34f2621f95f606d0e683daa10cdb8eb9",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ddd67751ab86c6a65f95c35293c42f85a42ac05d"
            },
            {
              "version": "705b6c7b34f2621f95f606d0e683daa10cdb8eb9",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1ceb4ca9543a8a788febf6bc8dad2e605e172d5e"
            },
            {
              "version": "705b6c7b34f2621f95f606d0e683daa10cdb8eb9",
              "status": "affected",
              "versionType": "git",
              "lessThan": "689ca31c542687709ba21ec2195c1fbce34fd029"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.16",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.16"
            },
            {
              "version": "4.9.318",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.9.*"
            },
            {
              "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": "*"
            }
          ]
        }
      ]
    }
  }
}