{
  "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-2025-68208",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-68208",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-12-16T13:48:35.298Z",
    "updatedAt": "2026-10-15T22:02:47.833Z",
    "importedAt": "2026-10-24T01:57:44.935Z",
    "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: account for current allocated stack depth in widen_imprecise_scalars()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: account for current allocated stack depth in widen_imprecise_scalars()\n\nThe usage pattern for widen_imprecise_scalars() looks as follows:\n\n    prev_st = find_prev_entry(env, ...);\n    queued_st = push_stack(...);\n    widen_imprecise_scalars(env, prev_st, queued_st);\n\nWhere prev_st is an ancestor of the queued_st in the explored states\ntree. This ancestor is not guaranteed to have same allocated stack\ndepth as queued_st. E.g. in the following case:\n\n    def main():\n      for i in 1..2:\n        foo(i)        // same callsite, differnt param\n\n    def foo(i):\n      if i == 1:\n        use 128 bytes of stack\n      iterator based loop\n\nHere, for a second 'foo' call prev_st->allocated_stack is 128,\nwhile queued_st->allocated_stack is much smaller.\nwiden_imprecise_scalars() needs to take this into account and avoid\naccessing bpf_verifier_state->frame[*]->stack out of bounds.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "ab470fefce2837e66b771c60858118d50bb5bb10",
              "status": "affected",
              "versionType": "git",
              "lessThan": "64b12dca2b0abcb5fc0542887d18b926ea5cf711"
            },
            {
              "version": "2793a8b015f7f1caadb9bce9c63dc659f7522676",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9944c7938cd5b3f37b0afec0481c7c015e4f1c58"
            },
            {
              "version": "2793a8b015f7f1caadb9bce9c63dc659f7522676",
              "status": "affected",
              "versionType": "git",
              "lessThan": "57e04e2ff56e32f923154f0f7bc476fcb596ffe7"
            },
            {
              "version": "2793a8b015f7f1caadb9bce9c63dc659f7522676",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b0c8e6d3d866b6a7f73877f71968dbffd27b7785"
            },
            {
              "version": "6.6.15",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.6.117"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.7",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.7"
            },
            {
              "version": "6.6.117",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.59",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.17.9",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.17.*"
            },
            {
              "version": "6.18",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}