{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-38183",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-04-16T04:51:23.992Z",
        "datePublished": "2025-07-04T13:37:10.253Z",
        "dateUpdated": "2026-05-11T21:22:51.198Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:22:51.198Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: lan743x: fix potential out-of-bounds write in lan743x_ptp_io_event_clock_get()\n\nBefore calling lan743x_ptp_io_event_clock_get(), the 'channel' value\nis checked against the maximum value of PCI11X1X_PTP_IO_MAX_CHANNELS(8).\nThis seems correct and aligns with the PTP interrupt status register\n(PTP_INT_STS) specifications.\n\nHowever, lan743x_ptp_io_event_clock_get() writes to ptp->extts[] with\nonly LAN743X_PTP_N_EXTTS(4) elements, using channel as an index:\n\n    lan743x_ptp_io_event_clock_get(..., u8 channel,...)\n    {\n        ...\n        /* Update Local timestamp */\n        extts = &ptp->extts[channel];\n        extts->ts.tv_sec = sec;\n        ...\n    }\n\nTo avoid an out-of-bounds write and utilize all the supported GPIO\ninputs, set LAN743X_PTP_N_EXTTS to 8.\n\nDetected using the static analysis tool - Svace."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/microchip/lan743x_ptp.h"
                    ],
                    "versions": [
                        {
                            "version": "60942c397af6094c04406b77982314dfe69ef3c4",
                            "lessThan": "e8d48201a132f4aab31351c19a802c5a5ae820fa",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "60942c397af6094c04406b77982314dfe69ef3c4",
                            "lessThan": "66bba1fd5bad548c03f7e42669a59f3f4d8211cc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "60942c397af6094c04406b77982314dfe69ef3c4",
                            "lessThan": "41017bd66c533f7af912c58273c7dfd5de0065d4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "60942c397af6094c04406b77982314dfe69ef3c4",
                            "lessThan": "4da0d23516857230b8e9b3022e25422ee2e2ba80",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "60942c397af6094c04406b77982314dfe69ef3c4",
                            "lessThan": "e353b0854d3a1a31cb061df8d022fbfea53a0f24",
                            "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/microchip/lan743x_ptp.h"
                    ],
                    "versions": [
                        {
                            "version": "5.18",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.18",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.142",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.95",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.35",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.15.4",
                            "lessThanOrEqual": "6.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.16",
                            "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": "5.18",
                                    "versionEndExcluding": "6.1.142"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.18",
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.18",
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.18",
                                    "versionEndExcluding": "6.16"
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/e8d48201a132f4aab31351c19a802c5a5ae820fa"
                },
                {
                    "url": "https://git.kernel.org/stable/c/66bba1fd5bad548c03f7e42669a59f3f4d8211cc"
                },
                {
                    "url": "https://git.kernel.org/stable/c/41017bd66c533f7af912c58273c7dfd5de0065d4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4da0d23516857230b8e9b3022e25422ee2e2ba80"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e353b0854d3a1a31cb061df8d022fbfea53a0f24"
                }
            ],
            "title": "net: lan743x: fix potential out-of-bounds write in lan743x_ptp_io_event_clock_get()",
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        "adp": [
            {
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"
                    }
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                    "dateUpdated": "2025-11-03T17:35:07.945Z"
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}