{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-80564",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-26T14:34:25.767Z",
        "datePublished": "2026-08-26T14:37:28.351Z",
        "dateUpdated": "2026-08-26T14:37:28.351Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-26T14:37:28.351Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngve: fix NULL dereference due to missing ptp adjfine\n\nFix NULL dereference due to missing implementation of adjfine, which can\nbe triggered from usermode as follows:\n\nsudo ./testptp -d /dev/ptp0 -f 0\n[  551.943697] BUG: kernel NULL pointer dereference, address: 0000000000000000\n[...]\n[  552.061946] Call Trace:\n[  552.064487]  <TASK>\n[  552.066681]  ptp_clock_adjtime+0x1c0/0x2c0\n[  552.070874]  ? get_clock_desc+0x6b/0xb0\n[  552.074825]  pc_clock_adjtime+0x78/0xc0\n[  552.078755]  __do_sys_clock_adjtime+0x85/0x110\n[  552.083293]  do_syscall_64+0xea/0x610"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/google/gve/gve_ptp.c"
                    ],
                    "versions": [
                        {
                            "version": "acd16380523b400400523fe54c7499320e558e80",
                            "lessThan": "e9482feeed66d4bc805458631013e9b61b1a9eaf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "acd16380523b400400523fe54c7499320e558e80",
                            "lessThan": "fa9b991bf678dd412dc0ed080672d34d7558d7af",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "acd16380523b400400523fe54c7499320e558e80",
                            "lessThan": "3992ced109c70b771efad9e51ae68e5c7a04dea3",
                            "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/net/ethernet/google/gve/gve_ptp.c"
                    ],
                    "versions": [
                        {
                            "version": "6.17",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.17",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.46",
                            "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": "6.17",
                                    "versionEndExcluding": "6.18.46"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.17",
                                    "versionEndExcluding": "7.1.10"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.17",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/e9482feeed66d4bc805458631013e9b61b1a9eaf"
                },
                {
                    "url": "https://git.kernel.org/stable/c/fa9b991bf678dd412dc0ed080672d34d7558d7af"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3992ced109c70b771efad9e51ae68e5c7a04dea3"
                }
            ],
            "title": "gve: fix NULL dereference due to missing ptp adjfine",
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    }
}