{
  "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-2026-97506",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-97506",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-09-24T16:04:55.504Z",
    "updatedAt": "2026-10-03T10:59:03.858Z",
    "importedAt": "2026-10-24T01:58:41.756Z",
    "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": "crypto: ixp4xx - fix buffer chain unwind on allocation failure",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: ixp4xx - fix buffer chain unwind on allocation failure\n\nchainup_buffers() builds a linked list of buffer descriptors for a\nscatterlist. If dma_pool_alloc() fails while constructing the list, the\ncurrent code sets buf to NULL and later dereferences it unconditionally\nat the end of the function:\n\n  buf->next = NULL;\n  buf->phys_next = 0;\n\nThis can lead to a null-pointer dereference on allocation failure.\n\nIf the failure happens after part of the descriptor chain has already\nbeen allocated and DMA-mapped, the partially constructed chain also\nneeds to be released.\n\nFix this by terminating the partially constructed chain on allocation\nfailure and letting the callers unwind it via their existing cleanup\npaths. Also fix ablk_perform() to preserve the hook pointers before\nchecking for failure, so partially built chains can be freed correctly.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0d44dc59b2b434b29aafeae581d06f81efac7c83",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d4007867be42d71795b78fa7f8ce7514dda9ca83"
            },
            {
              "version": "0d44dc59b2b434b29aafeae581d06f81efac7c83",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4918b0bd7d2baafb45d87dca9e322137c96005c2"
            },
            {
              "version": "0d44dc59b2b434b29aafeae581d06f81efac7c83",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8c37bc8d6a6f77bf9593fb1bcab6c14c7cf02991"
            },
            {
              "version": "0d44dc59b2b434b29aafeae581d06f81efac7c83",
              "status": "affected",
              "versionType": "git",
              "lessThan": "04cb00106ca4d0fa9eca24cadc4eda6036e855c8"
            },
            {
              "version": "0d44dc59b2b434b29aafeae581d06f81efac7c83",
              "status": "affected",
              "versionType": "git",
              "lessThan": "028a7f4f3d69e551f6bf9f728d547bbf4cfc707d"
            },
            {
              "version": "0d44dc59b2b434b29aafeae581d06f81efac7c83",
              "status": "affected",
              "versionType": "git",
              "lessThan": "25056329384010a8672552b134f609601dc4f80e"
            },
            {
              "version": "5a80273150a8a1725fa70418d106eb1f2ee8fd2f",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "82a8becb9c2c52fc5e67057a43aeded1f0731e7b",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "68845515c8b11791b547a2838e22c27dfa3115ee",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "2.6.27.22",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "2.6.28"
            },
            {
              "version": "2.6.28.10",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "2.6.29"
            },
            {
              "version": "2.6.29.3",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "2.6.30"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.30",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.30"
            },
            {
              "version": "5.15.222",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.189",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.158",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.111",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.53",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.2",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}