{
  "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-2023-53519",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-53519",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-10-01T11:46:06.419Z",
    "updatedAt": "2026-05-11T19:46:32.646Z",
    "importedAt": "2026-10-24T01:57:03.413Z",
    "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: v4l2-mem2mem: add lock to protect parameter num_rdy",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: v4l2-mem2mem: add lock to protect parameter num_rdy\n\nGetting below error when using KCSAN to check the driver. Adding lock to\nprotect parameter num_rdy when getting the value with function:\nv4l2_m2m_num_src_bufs_ready/v4l2_m2m_num_dst_bufs_ready.\n\nkworker/u16:3: [name:report&]BUG: KCSAN: data-race in v4l2_m2m_buf_queue\nkworker/u16:3: [name:report&]\n\nkworker/u16:3: [name:report&]read-write to 0xffffff8105f35b94 of 1 bytes by task 20865 on cpu 7:\nkworker/u16:3:  v4l2_m2m_buf_queue+0xd8/0x10c",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "908a0d7c588ef87e5cf0a26805e6002a78ac9d13",
              "status": "affected",
              "versionType": "git",
              "lessThan": "690dd4780b3f4d755e4e7883e8c3d1b5052f6bf2"
            },
            {
              "version": "908a0d7c588ef87e5cf0a26805e6002a78ac9d13",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7fc7f87725805197388ba749a1801df33000fa50"
            },
            {
              "version": "908a0d7c588ef87e5cf0a26805e6002a78ac9d13",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ef009fe2010ea2a3a7045ecb72729cf366e0967b"
            },
            {
              "version": "908a0d7c588ef87e5cf0a26805e6002a78ac9d13",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e52de26cb37459b16213438a2c82feb155dd3bbd"
            },
            {
              "version": "908a0d7c588ef87e5cf0a26805e6002a78ac9d13",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1676748aa29099fc0abd71e0fb092e76e835f25c"
            },
            {
              "version": "908a0d7c588ef87e5cf0a26805e6002a78ac9d13",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c71aa5f1cf961264690f2560503ea396b6e3c680"
            },
            {
              "version": "908a0d7c588ef87e5cf0a26805e6002a78ac9d13",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e01ea1c4191ee08440b5f86db98dff695e9cedf9"
            },
            {
              "version": "908a0d7c588ef87e5cf0a26805e6002a78ac9d13",
              "status": "affected",
              "versionType": "git",
              "lessThan": "56b5c3e67b0f9af3f45cf393be048ee8d8a92694"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.39",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.39"
            },
            {
              "version": "4.14.324",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.293",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.255",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.192",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.128",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.47",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.4.12",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.4.*"
            },
            {
              "version": "6.5",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}