{
  "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-2025-21694",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-21694",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-02-12T13:27:53.763Z",
    "updatedAt": "2026-10-15T01:03:18.737Z",
    "importedAt": "2026-10-24T01:57:29.455Z",
    "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": "fs/proc: fix softlockup in __read_vmcore (part 2)",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/proc: fix softlockup in __read_vmcore (part 2)\n\nSince commit 5cbcb62dddf5 (\"fs/proc: fix softlockup in __read_vmcore\") the\nnumber of softlockups in __read_vmcore at kdump time have gone down, but\nthey still happen sometimes.\n\nIn a memory constrained environment like the kdump image, a softlockup is\nnot just a harmless message, but it can interfere with things like RCU\nfreeing memory, causing the crashdump to get stuck.\n\nThe second loop in __read_vmcore has a lot more opportunities for natural\nsleep points, like scheduling out while waiting for a data write to\nhappen, but apparently that is not always enough.\n\nAdd a cond_resched() to the second loop in __read_vmcore to (hopefully)\nget rid of the softlockups.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "803d5a33d5ffdc2d86dcc0cfa01655a330612cdb",
              "status": "affected",
              "versionType": "git",
              "lessThan": "84c4ed15626574c9ac6c1039ba9c137a77bcc7f2"
            },
            {
              "version": "70c1835e776c8447c1aca87ddb38cfe764fe756a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "80da29deb88a3a907441fc35bb7bac309f31e713"
            },
            {
              "version": "e1b160a50c756e0efbea290b9bf5117cb80e8c4b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "649b266606bc413407ce315f710c8ce8a88ee30a"
            },
            {
              "version": "a373ad833a6bfe4bc6cedcf7e56a99cc6fd9a193",
              "status": "affected",
              "versionType": "git",
              "lessThan": "65c367bd9d4f43513c7f837df5753bea9561b836"
            },
            {
              "version": "518fbd644dabb6aedbdd4939c6c9cc1bf651459f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a5a2ee8144c3897d37403a69118c3e3dc5713958"
            },
            {
              "version": "5cbcb62dddf5346077feb82b7b0c9254222d3445",
              "status": "affected",
              "versionType": "git",
              "lessThan": "80828540dad0757b6337c6561d49c81038f38d87"
            },
            {
              "version": "5cbcb62dddf5346077feb82b7b0c9254222d3445",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cbc5dde0a461240046e8a41c43d7c3b76d5db952"
            },
            {
              "version": "7bdf1d550ddfcd9ab797087421f77b7aceddc8a7",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "e8780e8a0e25dc4c3927f611ec8970d26c0c7369",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "5.4.279",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.4.290"
            },
            {
              "version": "5.10.221",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.10.234"
            },
            {
              "version": "5.15.162",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.15.177"
            },
            {
              "version": "6.1.95",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.1.127"
            },
            {
              "version": "6.6.35",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.6.74"
            },
            {
              "version": "4.19.317",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.20"
            },
            {
              "version": "6.9.6",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.10"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.10",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.10"
            },
            {
              "version": "5.4.290",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.234",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.177",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.127",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.74",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.11",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.13",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}