CVE-2026-80524 (GCVE-0-2026-80524)
Vulnerability from cvelistv5
Published
2026-08-26 14:37
Modified
2026-08-26 14:37
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: optee: ffa: Add NULL check in optee_ffa_lend_protmem Sashiko (locally) reports a possible null dereference under memory pressure due to the lack of validation of the allocated pointer. Fix that by adding the missing check.
Impacted products
Vendor Product Version
Linux Linux Version: 2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf
Version: 2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf
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          "programFiles": [
            "drivers/tee/optee/ffa_abi.c"
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              "version": "0",
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              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
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        }
      ],
      "cpeApplicability": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                },
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\noptee: ffa: Add NULL check in optee_ffa_lend_protmem\n\nSashiko (locally) reports a possible null dereference under memory\npressure due to the lack of validation of the allocated pointer.\n\nFix that by adding the missing check."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-26T14:37:04.373Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/94bf4fe0e46349c4e73df66dcda073187bc90cc1"
        },
        {
          "url": "https://git.kernel.org/stable/c/650c88738ae8976f46ba71b24dd8aa311adc6fde"
        }
      ],
      "title": "optee: ffa: Add NULL check in optee_ffa_lend_protmem",
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2026-80524",
    "datePublished": "2026-08-26T14:37:04.373Z",
    "dateReserved": "2026-08-26T14:34:25.764Z",
    "dateUpdated": "2026-08-26T14:37:04.373Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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