{
  "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-2024-56665",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-56665",
    "idYear": 2024,
    "status": "PUBLISHED",
    "publishedAt": "2024-12-27T15:06:27.205Z",
    "updatedAt": "2026-05-23T15:55:52.938Z",
    "importedAt": "2026-10-24T01:57:20.494Z",
    "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": "bpf,perf: Fix invalid prog_array access in perf_event_detach_bpf_prog",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf,perf: Fix invalid prog_array access in perf_event_detach_bpf_prog\n\nSyzbot reported [1] crash that happens for following tracing scenario:\n\n  - create tracepoint perf event with attr.inherit=1, attach it to the\n    process and set bpf program to it\n  - attached process forks -> chid creates inherited event\n\n    the new child event shares the parent's bpf program and tp_event\n    (hence prog_array) which is global for tracepoint\n\n  - exit both process and its child -> release both events\n  - first perf_event_detach_bpf_prog call will release tp_event->prog_array\n    and second perf_event_detach_bpf_prog will crash, because\n    tp_event->prog_array is NULL\n\nThe fix makes sure the perf_event_detach_bpf_prog checks prog_array\nis valid before it tries to remove the bpf program from it.\n\n[1] https://lore.kernel.org/bpf/Z1MR6dCIKajNS6nU@krava/T/#m91dbf0688221ec7a7fc95e896a7ef9ff93b0b8ad",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "7a5c653ede645693422e43cccaa3e8f905d21c74",
              "status": "affected",
              "versionType": "git",
              "lessThan": "842e5af282453983586e2eae3c8eaf252de5f22f"
            },
            {
              "version": "21db2f35fa97e4a3447f2edeb7b2569a8bfdc83b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c2b6b47662d5f2dfce92e5ffbdcac8229f321d9d"
            },
            {
              "version": "0ee288e69d033850bc87abe0f9cc3ada24763d7f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "dfb15ddf3b65e0df2129f9756d1b4fa78055cdb3"
            },
            {
              "version": "0ee288e69d033850bc87abe0f9cc3ada24763d7f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "978c4486cca5c7b9253d3ab98a88c8e769cb9bbd"
            },
            {
              "version": "b4007d5fe38625b8a1b8edc0f385d86527651238",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "585674b9d0d80bd7f428b1f88be13cf6d5d6f739",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "6.1.115",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.1.121"
            },
            {
              "version": "6.6.59",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.6.67"
            },
            {
              "version": "5.15.170",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.16"
            },
            {
              "version": "6.11.6",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.12"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.12",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.12"
            },
            {
              "version": "6.1.121",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.67",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.6",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.13",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}