{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-63999","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-07-19T07:54:57.026Z","datePublished":"2026-07-19T14:56:17.383Z","dateUpdated":"2026-07-19T14:56:17.383Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-07-19T14:56:17.383Z"},"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."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ethtool/rss.c"],"versions":[{"version":"4f038a6a02d20859a3479293cbf172b0f14cbdd6","lessThan":"33d05c22d6f227c5ae171c46df2f6f8bf48047ea","status":"affected","versionType":"git"},{"version":"4f038a6a02d20859a3479293cbf172b0f14cbdd6","lessThan":"80d95d92f828cfcace955d673637d944178b435f","status":"affected","versionType":"git"},{"version":"4f038a6a02d20859a3479293cbf172b0f14cbdd6","lessThan":"266297692f97008ca48bc311775c087c59bd7fe3","status":"affected","versionType":"git"},{"version":"81a5174e64ce4fb7b7a2f6499b835c904c9451ee","status":"affected","versionType":"git"},{"version":"ec9faff49a4ea27731de39cb887b7e590e93157b","status":"affected","versionType":"git"},{"version":"c5ed0eaddcbda56079091fc3876b140a6e70a548","status":"affected","versionType":"git"},{"version":"a065b996052656a65afc51ad82336dc55ae4c72f","status":"affected","versionType":"git"},{"version":"adee9db710a6117b978a25ed4153846b7c56ec9a","status":"affected","versionType":"git"},{"version":"5eb3fdc4b6281b29e830300c866a36d90442b1f0","status":"affected","versionType":"git"},{"version":"5.15.181","lessThan":"5.16","status":"affected","versionType":"semver"},{"version":"6.1.135","lessThan":"6.2","status":"affected","versionType":"semver"},{"version":"6.6.88","lessThan":"6.7","status":"affected","versionType":"semver"},{"version":"6.12.24","lessThan":"6.13","status":"affected","versionType":"semver"},{"version":"6.13.12","lessThan":"6.14","status":"affected","versionType":"semver"},{"version":"6.14.3","lessThan":"6.15","status":"affected","versionType":"semver"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ethtool/rss.c"],"versions":[{"version":"6.15","status":"affected"},{"version":"0","lessThan":"6.15","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":"6.15","versionEndExcluding":"6.18.35"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.15","versionEndExcluding":"7.0.12"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.15","versionEndExcluding":"7.1"},{"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"}]}]}],"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"}}}}