{
  "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-2024-38588",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-38588",
    "idYear": 2024,
    "status": "PUBLISHED",
    "publishedAt": "2024-06-19T13:37:43.262Z",
    "updatedAt": "2026-08-05T11:33:01.142Z",
    "importedAt": "2026-10-24T01:57:16.009Z",
    "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": "ftrace: Fix possible use-after-free issue in ftrace_location()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nftrace: Fix possible use-after-free issue in ftrace_location()\n\nKASAN reports a bug:\n\n  BUG: KASAN: use-after-free in ftrace_location+0x90/0x120\n  Read of size 8 at addr ffff888141d40010 by task insmod/424\n  CPU: 8 PID: 424 Comm: insmod Tainted: G        W          6.9.0-rc2+\n  [...]\n  Call Trace:\n   <TASK>\n   dump_stack_lvl+0x68/0xa0\n   print_report+0xcf/0x610\n   kasan_report+0xb5/0xe0\n   ftrace_location+0x90/0x120\n   register_kprobe+0x14b/0xa40\n   kprobe_init+0x2d/0xff0 [kprobe_example]\n   do_one_initcall+0x8f/0x2d0\n   do_init_module+0x13a/0x3c0\n   load_module+0x3082/0x33d0\n   init_module_from_file+0xd2/0x130\n   __x64_sys_finit_module+0x306/0x440\n   do_syscall_64+0x68/0x140\n   entry_SYSCALL_64_after_hwframe+0x71/0x79\n\nThe root cause is that, in lookup_rec(), ftrace record of some address\nis being searched in ftrace pages of some module, but those ftrace pages\nat the same time is being freed in ftrace_release_mod() as the\ncorresponding module is being deleted:\n\n           CPU1                       |      CPU2\n  register_kprobes() {                | delete_module() {\n    check_kprobe_address_safe() {     |\n      arch_check_ftrace_location() {  |\n        ftrace_location() {           |\n          lookup_rec() // USE!        |   ftrace_release_mod() // Free!\n\nTo fix this issue:\n  1. Hold rcu lock as accessing ftrace pages in ftrace_location_range();\n  2. Use ftrace_location_range() instead of lookup_rec() in\n     ftrace_location();\n  3. Call synchronize_rcu() before freeing any ftrace pages both in\n     ftrace_process_locs()/ftrace_release_mod()/ftrace_free_mem().",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "ae6aa16fdc163afe6b04b6c073ad4ddd4663c03b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "eea46baf145150910ba134f75a67106ba2222c1b"
            },
            {
              "version": "ae6aa16fdc163afe6b04b6c073ad4ddd4663c03b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1880a324af1c95940a7c954b6b937e86844a33bd"
            },
            {
              "version": "ae6aa16fdc163afe6b04b6c073ad4ddd4663c03b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8ea8ef5e42173560ac510e92a1cc797ffeea8831"
            },
            {
              "version": "ae6aa16fdc163afe6b04b6c073ad4ddd4663c03b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "dbff5f0bfb2416b8b55c105ddbcd4f885e98fada"
            },
            {
              "version": "ae6aa16fdc163afe6b04b6c073ad4ddd4663c03b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7b4881da5b19f65709f5c18c1a4d8caa2e496461"
            },
            {
              "version": "ae6aa16fdc163afe6b04b6c073ad4ddd4663c03b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "66df065b3106964e667b37bf8f7e55ec69d0c1f6"
            },
            {
              "version": "ae6aa16fdc163afe6b04b6c073ad4ddd4663c03b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "31310e373f4c8c74e029d4326b283e757edabc0b"
            },
            {
              "version": "ae6aa16fdc163afe6b04b6c073ad4ddd4663c03b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e60b613df8b6253def41215402f72986fee3fc8d"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "3.7",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "3.7"
            },
            {
              "version": "5.4.286",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.227",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.162",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.93",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.33",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.8.12",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.8.*"
            },
            {
              "version": "6.9.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.9.*"
            },
            {
              "version": "6.10",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}