{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-80524",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-26T14:34:25.764Z",
        "datePublished": "2026-08-26T14:37:04.373Z",
        "dateUpdated": "2026-10-15T10:09:33.300Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-15T10:09:33.300Z"
            },
            "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."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/tee/optee/ffa_abi.c"
                    ],
                    "versions": [
                        {
                            "version": "2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf",
                            "lessThan": "0977a6f23439616701282fc4cb38eca40f36fec6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf",
                            "lessThan": "94bf4fe0e46349c4e73df66dcda073187bc90cc1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf",
                            "lessThan": "650c88738ae8976f46ba71b24dd8aa311adc6fde",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/tee/optee/ffa_abi.c"
                    ],
                    "versions": [
                        {
                            "version": "6.18",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.18",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.57",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.10",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.18",
                                    "versionEndExcluding": "6.18.57"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.18",
                                    "versionEndExcluding": "7.1.10"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.18",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/0977a6f23439616701282fc4cb38eca40f36fec6"
                },
                {
                    "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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                "engine": "bippy-1.2.0"
            }
        }
    }
}