{"dataType": "CVE_RECORD", "dataVersion": "5.1", "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": "2025-07-04T13:37:10.253Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-07-04T13:37:10.253Z"}, "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-rc3", "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"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.6.95"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.12.35"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.15.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.16-rc3"}]}]}], "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()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "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."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: lan743x: correcci\u00f3n de una posible escritura fuera de los l\u00edmites en lan743x_ptp_io_event_clock_get(). Antes de llamar a lan743x_ptp_io_event_clock_get(), el valor del canal se compara con el valor m\u00e1ximo de PCI11X1X_PTP_IO_MAX_CHANNELS(8). Esto parece correcto y se ajusta a las especificaciones del registro de estado de interrupci\u00f3n PTP (PTP_INT_STS). Sin embargo, lan743x_ptp_io_event_clock_get() escribe en ptp->extts[] solo con elementos LAN743X_PTP_N_EXTTS(4), usando el canal como \u00edndice: lan743x_ptp_io_event_clock_get(..., u8 channel,...) { ... /* Actualizar marca de tiempo local */ extts = &ptp->extts[channel]; extts->ts.tv_sec = sec; ... } Para evitar una escritura fuera de los l\u00edmites y utilizar todas las entradas GPIO compatibles, configure LAN743X_PTP_N_EXTTS en 8. Detectado usando la herramienta de an\u00e1lisis est\u00e1tico - Svace."}], "id": "CVE-2025-38183", "lastModified": "2025-07-08T16:18:53.607", "metrics": {}, "published": "2025-07-04T14:15:25.113", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/41017bd66c533f7af912c58273c7dfd5de0065d4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4da0d23516857230b8e9b3022e25422ee2e2ba80"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/66bba1fd5bad548c03f7e42669a59f3f4d8211cc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e353b0854d3a1a31cb061df8d022fbfea53a0f24"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e8d48201a132f4aab31351c19a802c5a5ae820fa"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: net: lan743x: fix potential out-of-bounds write in lan743x_ptp_io_event_clock_get()", "id": "2376411", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2376411"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet: lan743x: fix potential out-of-bounds write in lan743x_ptp_io_event_clock_get()\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.\nHowever, lan743x_ptp_io_event_clock_get() writes to ptp->extts[] with\nonly LAN743X_PTP_N_EXTTS(4) elements, using channel as an index:\nlan743x_ptp_io_event_clock_get(..., u8 channel,...)\n{\n...\n/* Update Local timestamp */\nextts = &ptp->extts[channel];\nextts->ts.tv_sec = sec;\n...\n}\nTo avoid an out-of-bounds write and utilize all the supported GPIO\ninputs, set LAN743X_PTP_N_EXTTS to 8.\nDetected using the static analysis tool - Svace."], "name": "CVE-2025-38183", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-07-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38183\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38183\nhttps://lore.kernel.org/linux-cve-announce/2025070411-CVE-2025-38183-1283@gregkh/T"], "threat_severity": "Moderate"}