{
  "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-2022-50272",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-50272",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-09-15T14:21:08.534Z",
    "updatedAt": "2026-05-11T19:16:07.161Z",
    "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": "media: dvb-usb: az6027: fix null-ptr-deref in az6027_i2c_xfer()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: dvb-usb: az6027: fix null-ptr-deref in az6027_i2c_xfer()\n\nWei Chen reports a kernel bug as blew:\n\ngeneral protection fault, probably for non-canonical address\nKASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]\n...\nCall Trace:\n<TASK>\n__i2c_transfer+0x77e/0x1930 drivers/i2c/i2c-core-base.c:2109\ni2c_transfer+0x1d5/0x3d0 drivers/i2c/i2c-core-base.c:2170\ni2cdev_ioctl_rdwr+0x393/0x660 drivers/i2c/i2c-dev.c:297\ni2cdev_ioctl+0x75d/0x9f0 drivers/i2c/i2c-dev.c:458\nvfs_ioctl fs/ioctl.c:51 [inline]\n__do_sys_ioctl fs/ioctl.c:870 [inline]\n__se_sys_ioctl+0xfb/0x170 fs/ioctl.c:856\ndo_syscall_x64 arch/x86/entry/common.c:50 [inline]\ndo_syscall_64+0x3d/0x90 arch/x86/entry/common.c:80\nentry_SYSCALL_64_after_hwframe+0x63/0xcd\nRIP: 0033:0x7fd834a8bded\n\nIn az6027_i2c_xfer(), if msg[i].addr is 0x99,\na null-ptr-deref will caused when accessing msg[i].buf.\nFor msg[i].len is 0 and msg[i].buf is null.\n\nFix this by checking msg[i].len in az6027_i2c_xfer().",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "76f9a820c8672ada12ffa0903652c9e6f2429462",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2b6a8a1a32746981044e7ab06649c804acb4068a"
            },
            {
              "version": "76f9a820c8672ada12ffa0903652c9e6f2429462",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c712d1ccbfb787620422b437a5b8fac0802547bd"
            },
            {
              "version": "76f9a820c8672ada12ffa0903652c9e6f2429462",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7abfe467cd685f5da7ecb415441e45e3e4e2baa8"
            },
            {
              "version": "76f9a820c8672ada12ffa0903652c9e6f2429462",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8b256d23361c51aa4b7fdb71176c1ca50966fb39"
            },
            {
              "version": "76f9a820c8672ada12ffa0903652c9e6f2429462",
              "status": "affected",
              "versionType": "git",
              "lessThan": "559891d430e3f3a178040c4371ed419edbfa7d65"
            },
            {
              "version": "76f9a820c8672ada12ffa0903652c9e6f2429462",
              "status": "affected",
              "versionType": "git",
              "lessThan": "210fcf64be4db82c0e190e74b5111e4eef661a7a"
            },
            {
              "version": "76f9a820c8672ada12ffa0903652c9e6f2429462",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6fbc44731a4665cbe92a5090e9804a388a72214b"
            },
            {
              "version": "76f9a820c8672ada12ffa0903652c9e6f2429462",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6b60cf73a931af34b7a0a3f467a79d9fe0df2d70"
            },
            {
              "version": "76f9a820c8672ada12ffa0903652c9e6f2429462",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0ed554fd769a19ea8464bb83e9ac201002ef74ad"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.34",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.34"
            },
            {
              "version": "4.9.337",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.9.*"
            },
            {
              "version": "4.14.303",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.270",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.229",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.163",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.86",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.0.16",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.0.*"
            },
            {
              "version": "6.1.2",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.2",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}