CVE-2026-63999

{"id": "CVE-2026-63999", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "c5ed0eaddcbda56079091fc3876b140a6e70a548", "lessThan": "14dbf22c397b799b3a80f63fc90c2fc0585bbeb3", "versionType": "git"}, {"status": "affected", "version": "a065b996052656a65afc51ad82336dc55ae4c72f", "lessThan": "323faef6366349f57d4ad67d318a0c8906e360b3", "versionType": "git"}, {"status": "affected", "version": "4f038a6a02d20859a3479293cbf172b0f14cbdd6", "lessThan": "33d05c22d6f227c5ae171c46df2f6f8bf48047ea", "versionType": "git"}, {"status": "affected", "version": "4f038a6a02d20859a3479293cbf172b0f14cbdd6", "lessThan": "80d95d92f828cfcace955d673637d944178b435f", "versionType": "git"}, {"status": "affected", "version": "4f038a6a02d20859a3479293cbf172b0f14cbdd6", "lessThan": "266297692f97008ca48bc311775c087c59bd7fe3", "versionType": "git"}, {"status": "affected", "version": "81a5174e64ce4fb7b7a2f6499b835c904c9451ee", "versionType": "git"}, {"status": "affected", "version": "ec9faff49a4ea27731de39cb887b7e590e93157b", "versionType": "git"}, {"status": "affected", "version": "adee9db710a6117b978a25ed4153846b7c56ec9a", "versionType": "git"}, {"status": "affected", "version": "5eb3fdc4b6281b29e830300c866a36d90442b1f0", "versionType": "git"}, {"status": "affected", "version": "6.6.88", "lessThan": "6.6.160", "versionType": "semver"}, {"status": "affected", "version": "6.12.24", "lessThan": "6.12.114", "versionType": "semver"}, {"status": "affected", "version": "5.15.181", "lessThan": "5.16", "versionType": "semver"}, {"status": "affected", "version": "6.1.135", "lessThan": "6.2", "versionType": "semver"}, {"status": "affected", "version": "6.13.12", "lessThan": "6.14", "versionType": "semver"}, {"status": "affected", "version": "6.14.3", "lessThan": "6.15", "versionType": "semver"}], "programFiles": ["net/ethtool/rss.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.15"}, {"status": "unaffected", "version": "0", "lessThan": "6.15", "versionType": "semver"}, {"status": "unaffected", "version": "6.6.160", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.114", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.35", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.0.12", "versionType": "semver", "lessThanOrEqual": "7.0.*"}, {"status": "unaffected", "version": "7.1", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/ethtool/rss.c"], "defaultStatus": "affected"}]}], "published": "2026-07-19T16:17:39.477", "references": [{"url": "https://git.kernel.org/stable/c/14dbf22c397b799b3a80f63fc90c2fc0585bbeb3", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/266297692f97008ca48bc311775c087c59bd7fe3", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/323faef6366349f57d4ad67d318a0c8906e360b3", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/33d05c22d6f227c5ae171c46df2f6f8bf48047ea", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/80d95d92f828cfcace955d673637d944178b435f", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-401"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nethtool: rss: fix indir_table and hkey leak on get_rxfh failure\n\nrss_prepare_get() allocates the indirection table and hash key buffer\nvia rss_get_data_alloc(), then calls ops->get_rxfh() to populate them.\nIf get_rxfh() fails, the function returns an error without freeing\nthe allocation."}], "lastModified": "2026-10-21T13:19:18.937", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": 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