{"api_version":"1","generated_at":"2026-07-23T14:43:31+00:00","cve":"CVE-2026-63999","urls":{"html":"https://cve.report/CVE-2026-63999","api":"https://cve.report/api/cve/CVE-2026-63999.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-63999","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-63999"},"summary":{"title":"ethtool: rss: fix indir_table and hkey leak on get_rxfh failure","description":"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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-19 16:17:39","updated_at":"2026-07-19 16:17:39"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/33d05c22d6f227c5ae171c46df2f6f8bf48047ea","name":"https://git.kernel.org/stable/c/33d05c22d6f227c5ae171c46df2f6f8bf48047ea","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/80d95d92f828cfcace955d673637d944178b435f","name":"https://git.kernel.org/stable/c/80d95d92f828cfcace955d673637d944178b435f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/266297692f97008ca48bc311775c087c59bd7fe3","name":"https://git.kernel.org/stable/c/266297692f97008ca48bc311775c087c59bd7fe3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-63999","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63999","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4f038a6a02d20859a3479293cbf172b0f14cbdd6 33d05c22d6f227c5ae171c46df2f6f8bf48047ea git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4f038a6a02d20859a3479293cbf172b0f14cbdd6 80d95d92f828cfcace955d673637d944178b435f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4f038a6a02d20859a3479293cbf172b0f14cbdd6 266297692f97008ca48bc311775c087c59bd7fe3 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 81a5174e64ce4fb7b7a2f6499b835c904c9451ee git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ec9faff49a4ea27731de39cb887b7e590e93157b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c5ed0eaddcbda56079091fc3876b140a6e70a548 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a065b996052656a65afc51ad82336dc55ae4c72f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected adee9db710a6117b978a25ed4153846b7c56ec9a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5eb3fdc4b6281b29e830300c866a36d90442b1f0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.15.181 5.16 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.1.135 6.2 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.6.88 6.7 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.12.24 6.13 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.13.12 6.14 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.14.3 6.15 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.15","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.15 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":"63999","cve":"CVE-2026-63999","epss":"0.001660000","percentile":"0.061680000","score_date":"2026-07-20","updated_at":"2026-07-21 00:13:14"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/ethtool/rss.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"33d05c22d6f227c5ae171c46df2f6f8bf48047ea","status":"affected","version":"4f038a6a02d20859a3479293cbf172b0f14cbdd6","versionType":"git"},{"lessThan":"80d95d92f828cfcace955d673637d944178b435f","status":"affected","version":"4f038a6a02d20859a3479293cbf172b0f14cbdd6","versionType":"git"},{"lessThan":"266297692f97008ca48bc311775c087c59bd7fe3","status":"affected","version":"4f038a6a02d20859a3479293cbf172b0f14cbdd6","versionType":"git"},{"status":"affected","version":"81a5174e64ce4fb7b7a2f6499b835c904c9451ee","versionType":"git"},{"status":"affected","version":"ec9faff49a4ea27731de39cb887b7e590e93157b","versionType":"git"},{"status":"affected","version":"c5ed0eaddcbda56079091fc3876b140a6e70a548","versionType":"git"},{"status":"affected","version":"a065b996052656a65afc51ad82336dc55ae4c72f","versionType":"git"},{"status":"affected","version":"adee9db710a6117b978a25ed4153846b7c56ec9a","versionType":"git"},{"status":"affected","version":"5eb3fdc4b6281b29e830300c866a36d90442b1f0","versionType":"git"},{"lessThan":"5.16","status":"affected","version":"5.15.181","versionType":"semver"},{"lessThan":"6.2","status":"affected","version":"6.1.135","versionType":"semver"},{"lessThan":"6.7","status":"affected","version":"6.6.88","versionType":"semver"},{"lessThan":"6.13","status":"affected","version":"6.12.24","versionType":"semver"},{"lessThan":"6.14","status":"affected","version":"6.13.12","versionType":"semver"},{"lessThan":"6.15","status":"affected","version":"6.14.3","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/ethtool/rss.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.15"},{"lessThan":"6.15","status":"unaffected","version":"0","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":"6.18.35","versionStartIncluding":"6.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.12","versionStartIncluding":"6.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"6.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.181","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.135","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.88","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12.24","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14.3","vulnerable":true}],"negate":false,"operator":"OR"}]}],"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."}],"providerMetadata":{"dateUpdated":"2026-07-19T14:56:17.383Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/33d05c22d6f227c5ae171c46df2f6f8bf48047ea"},{"url":"https://git.kernel.org/stable/c/80d95d92f828cfcace955d673637d944178b435f"},{"url":"https://git.kernel.org/stable/c/266297692f97008ca48bc311775c087c59bd7fe3"}],"title":"ethtool: rss: fix indir_table and hkey leak on get_rxfh failure","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-63999","datePublished":"2026-07-19T14:56:17.383Z","dateReserved":"2026-07-19T07:54:57.026Z","dateUpdated":"2026-07-19T14:56:17.383Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-19 16:17:39","lastModifiedDate":"2026-07-19 16:17:39","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"63999","Ordinal":"1","Title":"ethtool: rss: fix indir_table and hkey leak on get_rxfh failure","CVE":"CVE-2026-63999","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"63999","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"ethtool: rss: fix indir_table and hkey leak on get_rxfh failure"}]}}}