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CVE-2026-23309 tracing: Add NULL pointer check to trigger_data_free()

🗓️ 25 Mar 2026 10:27:04Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 14 Views

CVE-2026-23309: Add NULL check in trigger_data_free to prevent dereference on allocation failure.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/trace/trace_events_trigger.c"
    ],
    "versions": [
      {
        "version": "c10f0efe57728508d796ae4ba7abe4c14ec3d8ef",
        "lessThan": "13dcd9269e225e4c4ceabdaeebe2ce4661b54c6e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7e6556e9329bc484e9dcdab6e346d959267c0636",
        "lessThan": "59c15b9cc453b74beb9f04c6c398717e73612dc3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9b0513905e0598b9f8cfccab8e47497aed5d935d",
        "lessThan": "42b380f97d65e76e7b310facd525f730272daf57",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "335dfe4bc6368e70e8c15419375cf609c4f85558",
        "lessThan": "2ce8ece5a78da67834db7728edc801889a64f643",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e42efbe9754da78eafe11f6bd3ca9c8a094a752a",
        "lessThan": "477469223b2b840f436ce204333de87cb17e5d93",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0550069cc25f513ce1f109c88f7c1f01d63297db",
        "lessThan": "457965c13f0837a289c9164b842d0860133f6274",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/trace/trace_events_trigger.c"
    ],
    "versions": [
      {
        "version": "6.1.165",
        "lessThan": "6.1.167",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.6.128",
        "lessThan": "6.6.130",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.12.75",
        "lessThan": "6.12.77",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.18.14",
        "lessThan": "6.18.17",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.19.4",
        "lessThan": "6.19.7",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  }
]

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