{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-97916",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:18:58.201Z",
        "datePublished": "2026-09-25T10:22:37.699Z",
        "dateUpdated": "2026-10-21T12:53:35.648Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-21T12:53:35.648Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\naccel/ivpu: Validate firmware log buffer metadata\n\nThe tracing log headers parsed by fw_log_print_buffer() reside in\nDMA-shared BOs that the NPU firmware can write to.\n\nfw_log_from_bo() validated log->header_size and log->size, but\nfw_log_print_buffer() re-read those same fields from shared memory\nafterwards, allowing a TOCTOU where firmware changes them between the\ncheck and the use, and making the host dereference out-of-bounds\naddresses while printing logs.\n\nSnapshot the validated values once with READ_ONCE() and pass them down\nexplicitly in a new struct ivpu_fw_log_desc instead of re-reading them\nfrom the shared struct."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/accel/ivpu/ivpu_fw_log.c"
                    ],
                    "versions": [
                        {
                            "version": "d4e4257afa6ed5205eda993180401fc2c20e4b60",
                            "lessThan": "07d4190d75021c38b7994045179aa29131634d4f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d4e4257afa6ed5205eda993180401fc2c20e4b60",
                            "lessThan": "8ec3d6972f1440fae6c8dadd1859892775208759",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d4e4257afa6ed5205eda993180401fc2c20e4b60",
                            "lessThan": "40868f80a89199630b03d4457876f9a1feba0660",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d4e4257afa6ed5205eda993180401fc2c20e4b60",
                            "lessThan": "b1555f63ee1a680f280bc18e8dac416f250e2ec3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d4e4257afa6ed5205eda993180401fc2c20e4b60",
                            "lessThan": "0724afc55c77c36c7feb9a7264b02aa7593c5c2d",
                            "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/accel/ivpu/ivpu_fw_log.c"
                    ],
                    "versions": [
                        {
                            "version": "6.6",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.6",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.160",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.111",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.53",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.7",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "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": "6.6",
                                    "versionEndExcluding": "6.6.160"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.6",
                                    "versionEndExcluding": "6.12.111"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.6",
                                    "versionEndExcluding": "6.18.53"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.6",
                                    "versionEndExcluding": "7.2.7"
                                },
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.6",
                                    "versionEndExcluding": "7.3"
                                }
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                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/07d4190d75021c38b7994045179aa29131634d4f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8ec3d6972f1440fae6c8dadd1859892775208759"
                },
                {
                    "url": "https://git.kernel.org/stable/c/40868f80a89199630b03d4457876f9a1feba0660"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b1555f63ee1a680f280bc18e8dac416f250e2ec3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0724afc55c77c36c7feb9a7264b02aa7593c5c2d"
                }
            ],
            "title": "accel/ivpu: Validate firmware log buffer metadata",
            "x_generator": {
                "engine": "bippy-1.2.0"
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    }
}