{
  "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-2025-39974",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-39974",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-10-15T07:55:56.275Z",
    "updatedAt": "2026-05-11T21:40:01.814Z",
    "importedAt": "2026-10-24T01:57:34.152Z",
    "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": "tracing/osnoise: Fix slab-out-of-bounds in _parse_integer_limit()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing/osnoise: Fix slab-out-of-bounds in _parse_integer_limit()\n\nWhen config osnoise cpus by write() syscall, the following KASAN splat may\nbe observed:\n\nBUG: KASAN: slab-out-of-bounds in _parse_integer_limit+0x103/0x130\nRead of size 1 at addr ffff88810121e3a1 by task test/447\nCPU: 1 UID: 0 PID: 447 Comm: test Not tainted 6.17.0-rc6-dirty #288 PREEMPT(voluntary)\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014\nCall Trace:\n <TASK>\n dump_stack_lvl+0x55/0x70\n print_report+0xcb/0x610\n kasan_report+0xb8/0xf0\n _parse_integer_limit+0x103/0x130\n bitmap_parselist+0x16d/0x6f0\n osnoise_cpus_write+0x116/0x2d0\n vfs_write+0x21e/0xcc0\n ksys_write+0xee/0x1c0\n do_syscall_64+0xa8/0x2a0\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n </TASK>\n\nThis issue can be reproduced by below code:\n\nconst char *cpulist = \"1\";\nint fd=open(\"/sys/kernel/debug/tracing/osnoise/cpus\", O_WRONLY);\nwrite(fd, cpulist, strlen(cpulist));\n\nFunction bitmap_parselist() was called to parse cpulist, it require that\nthe parameter 'buf' must be terminated with a '\\0' or '\\n'. Fix this issue\nby adding a '\\0' to 'buf' in osnoise_cpus_write().",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "17f89102fe23d7389085a8820550df688f79888a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "930cb05a9e107777316b3ccf37f9556366669065"
            },
            {
              "version": "17f89102fe23d7389085a8820550df688f79888a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a2501032de0d1bc7971b2e43c03da534ac10ee9b"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.16",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.16"
            },
            {
              "version": "6.16.10",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.16.*"
            },
            {
              "version": "6.17",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}