{"id":"CVE-2026-63999","state":"PUBLISHED","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.","publishedAt":"2026-07-19T14:56:17.383Z","updatedAt":"2026-10-21T12:42:52.556Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c5ed0eaddcbda56079091fc3876b140a6e70a548","status":"affected","lessThan":"14dbf22c397b799b3a80f63fc90c2fc0585bbeb3","versionType":"git"},{"version":"a065b996052656a65afc51ad82336dc55ae4c72f","status":"affected","lessThan":"323faef6366349f57d4ad67d318a0c8906e360b3","versionType":"git"},{"version":"4f038a6a02d20859a3479293cbf172b0f14cbdd6","status":"affected","lessThan":"33d05c22d6f227c5ae171c46df2f6f8bf48047ea","versionType":"git"},{"version":"4f038a6a02d20859a3479293cbf172b0f14cbdd6","status":"affected","lessThan":"80d95d92f828cfcace955d673637d944178b435f","versionType":"git"},{"version":"4f038a6a02d20859a3479293cbf172b0f14cbdd6","status":"affected","lessThan":"266297692f97008ca48bc311775c087c59bd7fe3","versionType":"git"},{"version":"81a5174e64ce4fb7b7a2f6499b835c904c9451ee","status":"affected","versionType":"git"},{"version":"ec9faff49a4ea27731de39cb887b7e590e93157b","status":"affected","versionType":"git"},{"version":"adee9db710a6117b978a25ed4153846b7c56ec9a","status":"affected","versionType":"git"},{"version":"5eb3fdc4b6281b29e830300c866a36d90442b1f0","status":"affected","versionType":"git"},{"version":"6.6.88","status":"affected","lessThan":"6.6.160","versionType":"semver"},{"version":"6.12.24","status":"affected","lessThan":"6.12.114","versionType":"semver"},{"version":"5.15.181","status":"affected","lessThan":"5.16","versionType":"semver"},{"version":"6.1.135","status":"affected","lessThan":"6.2","versionType":"semver"},{"version":"6.13.12","status":"affected","lessThan":"6.14","versionType":"semver"},{"version":"6.14.3","status":"affected","lessThan":"6.15","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ethtool/rss.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.15","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.114","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.35","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.12","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ethtool/rss.c"]}],"references":["https://git.kernel.org/stable/c/14dbf22c397b799b3a80f63fc90c2fc0585bbeb3","https://git.kernel.org/stable/c/323faef6366349f57d4ad67d318a0c8906e360b3","https://git.kernel.org/stable/c/33d05c22d6f227c5ae171c46df2f6f8bf48047ea","https://git.kernel.org/stable/c/80d95d92f828cfcace955d673637d944178b435f","https://git.kernel.org/stable/c/266297692f97008ca48bc311775c087c59bd7fe3"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:41.951Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/63xxx/CVE-2026-63999.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-63999","state":"PUBLISHED","datePublished":"2026-07-19T14:56:17.383Z","dateUpdated":"2026-10-21T12:42:52.556Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-07-19T07:54:57.026Z"},"containers":{"cna":{"title":"ethtool: rss: fix indir_table and hkey leak on get_rxfh failure","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":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c5ed0eaddcbda56079091fc3876b140a6e70a548","status":"affected","lessThan":"14dbf22c397b799b3a80f63fc90c2fc0585bbeb3","versionType":"git"},{"version":"a065b996052656a65afc51ad82336dc55ae4c72f","status":"affected","lessThan":"323faef6366349f57d4ad67d318a0c8906e360b3","versionType":"git"},{"version":"4f038a6a02d20859a3479293cbf172b0f14cbdd6","status":"affected","lessThan":"33d05c22d6f227c5ae171c46df2f6f8bf48047ea","versionType":"git"},{"version":"4f038a6a02d20859a3479293cbf172b0f14cbdd6","status":"affected","lessThan":"80d95d92f828cfcace955d673637d944178b435f","versionType":"git"},{"version":"4f038a6a02d20859a3479293cbf172b0f14cbdd6","status":"affected","lessThan":"266297692f97008ca48bc311775c087c59bd7fe3","versionType":"git"},{"version":"81a5174e64ce4fb7b7a2f6499b835c904c9451ee","status":"affected","versionType":"git"},{"version":"ec9faff49a4ea27731de39cb887b7e590e93157b","status":"affected","versionType":"git"},{"version":"adee9db710a6117b978a25ed4153846b7c56ec9a","status":"affected","versionType":"git"},{"version":"5eb3fdc4b6281b29e830300c866a36d90442b1f0","status":"affected","versionType":"git"},{"version":"6.6.88","status":"affected","lessThan":"6.6.160","versionType":"semver"},{"version":"6.12.24","status":"affected","lessThan":"6.12.114","versionType":"semver"},{"version":"5.15.181","status":"affected","lessThan":"5.16","versionType":"semver"},{"version":"6.1.135","status":"affected","lessThan":"6.2","versionType":"semver"},{"version":"6.13.12","status":"affected","lessThan":"6.14","versionType":"semver"},{"version":"6.14.3","status":"affected","lessThan":"6.15","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ethtool/rss.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.15","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.114","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.35","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.12","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ethtool/rss.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/14dbf22c397b799b3a80f63fc90c2fc0585bbeb3"},{"url":"https://git.kernel.org/stable/c/323faef6366349f57d4ad67d318a0c8906e360b3"},{"url":"https://git.kernel.org/stable/c/33d05c22d6f227c5ae171c46df2f6f8bf48047ea"},{"url":"https://git.kernel.org/stable/c/80d95d92f828cfcace955d673637d944178b435f"},{"url":"https://git.kernel.org/stable/c/266297692f97008ca48bc311775c087c59bd7fe3"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-21T12:42:52.556Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.88","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12.24","versionEndExcluding":"6.12.114"},{"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":"6.13.12"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}