{"api_version":"1","generated_at":"2026-07-23T22:03:43+00:00","cve":"CVE-2026-63985","urls":{"html":"https://cve.report/CVE-2026-63985","api":"https://cve.report/api/cve/CVE-2026-63985.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-63985","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-63985"},"summary":{"title":"ethtool: eeprom: add more safeties to EEPROM Netlink fallback","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nethtool: eeprom: add more safeties to EEPROM Netlink fallback\n\nThe Netlink fallback path for reading module EEPROM\n(fallback_set_params()) validates that offset < eeprom_len,\nbut does not check that offset + length stays within eeprom_len.\nThe ioctl equivalent (ethtool_get_any_eeprom() in ioctl.c) has\nalways enforced both bounds:\n\n  if (eeprom.offset + eeprom.len > total_len)\n      return -EINVAL;\n\nThis could lead to surprises in both drivers and device FW.\nAdd the missing offset + length validation to fallback_set_params(),\nmirroring the ioctl.\n\nSimilarly - ethtool core in general, and ethtool_get_any_eeprom()\nin particular tries to zero-init all buffers passed to the drivers\nto avoid any extra work of zeroing things out. eeprom_fallback()\nuses a plain kmalloc(), change it to zalloc.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-19 16:17:17","updated_at":"2026-07-20 15:17:00"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/67cfdd9210b99f260b3e0afeb9525e0acc7be31e","name":"https://git.kernel.org/stable/c/67cfdd9210b99f260b3e0afeb9525e0acc7be31e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4fe1bc4b3603f621240d5b401742f302190db769","name":"https://git.kernel.org/stable/c/4fe1bc4b3603f621240d5b401742f302190db769","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6ed7ebe22e9c3e3e946b6973c1ce43d3c38aeac1","name":"https://git.kernel.org/stable/c/6ed7ebe22e9c3e3e946b6973c1ce43d3c38aeac1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/65674d2489a12b8efd2ca0effb3de1d12224b596","name":"https://git.kernel.org/stable/c/65674d2489a12b8efd2ca0effb3de1d12224b596","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/fd0de51c54fa8474a0ddeedd71c65ad09fada390","name":"https://git.kernel.org/stable/c/fd0de51c54fa8474a0ddeedd71c65ad09fada390","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0e182689831277faf2ef683573a60474c208f690","name":"https://git.kernel.org/stable/c/0e182689831277faf2ef683573a60474c208f690","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d81376053a00865c70b8d8506a1cb93f2943d413","name":"https://git.kernel.org/stable/c/d81376053a00865c70b8d8506a1cb93f2943d413","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-63985","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63985","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 96d971e307cc0e434f96329b42bbd98cfbca07d2 0e182689831277faf2ef683573a60474c208f690 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 96d971e307cc0e434f96329b42bbd98cfbca07d2 6ed7ebe22e9c3e3e946b6973c1ce43d3c38aeac1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 96d971e307cc0e434f96329b42bbd98cfbca07d2 65674d2489a12b8efd2ca0effb3de1d12224b596 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 96d971e307cc0e434f96329b42bbd98cfbca07d2 d81376053a00865c70b8d8506a1cb93f2943d413 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 96d971e307cc0e434f96329b42bbd98cfbca07d2 fd0de51c54fa8474a0ddeedd71c65ad09fada390 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 96d971e307cc0e434f96329b42bbd98cfbca07d2 4fe1bc4b3603f621240d5b401742f302190db769 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 96d971e307cc0e434f96329b42bbd98cfbca07d2 67cfdd9210b99f260b3e0afeb9525e0acc7be31e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.13","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.13 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.210 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.176 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.143 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.93 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.35 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.12 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"63985","cve":"CVE-2026-63985","epss":"0.001720000","percentile":"0.069010000","score_date":"2026-07-20","updated_at":"2026-07-21 00:13:13"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/ethtool/eeprom.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"0e182689831277faf2ef683573a60474c208f690","status":"affected","version":"96d971e307cc0e434f96329b42bbd98cfbca07d2","versionType":"git"},{"lessThan":"6ed7ebe22e9c3e3e946b6973c1ce43d3c38aeac1","status":"affected","version":"96d971e307cc0e434f96329b42bbd98cfbca07d2","versionType":"git"},{"lessThan":"65674d2489a12b8efd2ca0effb3de1d12224b596","status":"affected","version":"96d971e307cc0e434f96329b42bbd98cfbca07d2","versionType":"git"},{"lessThan":"d81376053a00865c70b8d8506a1cb93f2943d413","status":"affected","version":"96d971e307cc0e434f96329b42bbd98cfbca07d2","versionType":"git"},{"lessThan":"fd0de51c54fa8474a0ddeedd71c65ad09fada390","status":"affected","version":"96d971e307cc0e434f96329b42bbd98cfbca07d2","versionType":"git"},{"lessThan":"4fe1bc4b3603f621240d5b401742f302190db769","status":"affected","version":"96d971e307cc0e434f96329b42bbd98cfbca07d2","versionType":"git"},{"lessThan":"67cfdd9210b99f260b3e0afeb9525e0acc7be31e","status":"affected","version":"96d971e307cc0e434f96329b42bbd98cfbca07d2","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/ethtool/eeprom.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.13"},{"lessThan":"5.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.143","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.93","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.35","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.12","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.210","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.176","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.143","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.93","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.35","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.12","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"5.13","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nethtool: eeprom: add more safeties to EEPROM Netlink fallback\n\nThe Netlink fallback path for reading module EEPROM\n(fallback_set_params()) validates that offset < eeprom_len,\nbut does not check that offset + length stays within eeprom_len.\nThe ioctl equivalent (ethtool_get_any_eeprom() in ioctl.c) has\nalways enforced both bounds:\n\n  if (eeprom.offset + eeprom.len > total_len)\n      return -EINVAL;\n\nThis could lead to surprises in both drivers and device FW.\nAdd the missing offset + length validation to fallback_set_params(),\nmirroring the ioctl.\n\nSimilarly - ethtool core in general, and ethtool_get_any_eeprom()\nin particular tries to zero-init all buffers passed to the drivers\nto avoid any extra work of zeroing things out. eeprom_fallback()\nuses a plain kmalloc(), change it to zalloc."}],"metrics":[{"cvssV3_1":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-07-20T13:42:05.985Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/0e182689831277faf2ef683573a60474c208f690"},{"url":"https://git.kernel.org/stable/c/6ed7ebe22e9c3e3e946b6973c1ce43d3c38aeac1"},{"url":"https://git.kernel.org/stable/c/65674d2489a12b8efd2ca0effb3de1d12224b596"},{"url":"https://git.kernel.org/stable/c/d81376053a00865c70b8d8506a1cb93f2943d413"},{"url":"https://git.kernel.org/stable/c/fd0de51c54fa8474a0ddeedd71c65ad09fada390"},{"url":"https://git.kernel.org/stable/c/4fe1bc4b3603f621240d5b401742f302190db769"},{"url":"https://git.kernel.org/stable/c/67cfdd9210b99f260b3e0afeb9525e0acc7be31e"}],"title":"ethtool: eeprom: add more safeties to EEPROM Netlink fallback","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-63985","datePublished":"2026-07-19T14:56:07.527Z","dateReserved":"2026-07-19T07:54:57.025Z","dateUpdated":"2026-07-20T13:42:05.985Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-19 16:17:17","lastModifiedDate":"2026-07-20 15:17:00","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"63985","Ordinal":"1","Title":"ethtool: eeprom: add more safeties to EEPROM Netlink fallback","CVE":"CVE-2026-63985","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"63985","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nethtool: eeprom: add more safeties to EEPROM Netlink fallback\n\nThe Netlink fallback path for reading module EEPROM\n(fallback_set_params()) validates that offset < eeprom_len,\nbut does not check that offset + length stays within eeprom_len.\nThe ioctl equivalent (ethtool_get_any_eeprom() in ioctl.c) has\nalways enforced both bounds:\n\n  if (eeprom.offset + eeprom.len > total_len)\n      return -EINVAL;\n\nThis could lead to surprises in both drivers and device FW.\nAdd the missing offset + length validation to fallback_set_params(),\nmirroring the ioctl.\n\nSimilarly - ethtool core in general, and ethtool_get_any_eeprom()\nin particular tries to zero-init all buffers passed to the drivers\nto avoid any extra work of zeroing things out. eeprom_fallback()\nuses a plain kmalloc(), change it to zalloc.","Type":"Description","Title":"ethtool: eeprom: add more safeties to EEPROM Netlink fallback"}]}}}