{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-63985", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T07:54:57.025Z", "datePublished": "2026-07-19T14:56:07.527Z", "dateUpdated": "2026-07-19T14:56:07.527Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-19T14:56:07.527Z"}, "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/ethtool/eeprom.c"], "versions": [{"version": "96d971e307cc0e434f96329b42bbd98cfbca07d2", "lessThan": "0e182689831277faf2ef683573a60474c208f690", "status": "affected", "versionType": "git"}, {"version": "96d971e307cc0e434f96329b42bbd98cfbca07d2", "lessThan": "6ed7ebe22e9c3e3e946b6973c1ce43d3c38aeac1", "status": "affected", "versionType": "git"}, {"version": "96d971e307cc0e434f96329b42bbd98cfbca07d2", "lessThan": "65674d2489a12b8efd2ca0effb3de1d12224b596", "status": "affected", "versionType": "git"}, {"version": "96d971e307cc0e434f96329b42bbd98cfbca07d2", "lessThan": "d81376053a00865c70b8d8506a1cb93f2943d413", "status": "affected", "versionType": "git"}, {"version": "96d971e307cc0e434f96329b42bbd98cfbca07d2", "lessThan": "fd0de51c54fa8474a0ddeedd71c65ad09fada390", "status": "affected", "versionType": "git"}, {"version": "96d971e307cc0e434f96329b42bbd98cfbca07d2", "lessThan": "4fe1bc4b3603f621240d5b401742f302190db769", "status": "affected", "versionType": "git"}, {"version": "96d971e307cc0e434f96329b42bbd98cfbca07d2", "lessThan": "67cfdd9210b99f260b3e0afeb9525e0acc7be31e", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/ethtool/eeprom.c"], "versions": [{"version": "5.13", "status": "affected"}, {"version": "0", "lessThan": "5.13", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.210", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.176", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.143", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.93", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.35", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.12", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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": "5.13", "versionEndExcluding": "5.15.210"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.1.176"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.6.143"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.12.93"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.18.35"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "7.0.12"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "7.1"}]}]}], "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"}}}}

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