{"id":"CVE-2026-97574","state":"PUBLISHED","title":"bnxt_en: Don't free the live ring's TPA state on queue restart failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: Don't free the live ring's TPA state on queue restart failure\n\nbnxt_queue_mem_alloc() shallow copies the live RX ring into the clone:\n\n  memcpy(clone, rxr, sizeof(*rxr));\n\nthe code currently clears pointers that the clone owns (such as\nrx_agg_bmap), but rx_tpa and rx_tpa_idx_map are left pointing at memory\nof the live ring that was cloned.\n\nIf an allocation failure happens later and the err_free_tpa_info label\nis taken, the live ring's memory can be freed while still in use.\n\nFix this by initializing the clone's pointers to NULL to prevent live\nring state from being freed inadvertently.","publishedAt":"2026-09-25T10:21:58.062Z","updatedAt":"2026-10-19T09:09:36.867Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0997443906b96a051011f220a61e6dce4602ec54","status":"affected","lessThan":"e42287b4d38d653f7d4a47f6c29b0c01288bb050","versionType":"git"},{"version":"bd649c5cc958169b8a8a3e77ea926d92d472b02a","status":"affected","lessThan":"8ade95619cbfd1fc57f0f1a9a5ebdca2345a8d27","versionType":"git"},{"version":"bd649c5cc958169b8a8a3e77ea926d92d472b02a","status":"affected","lessThan":"0596a7caa6fc283e142716739099c038d8714082","versionType":"git"},{"version":"bd649c5cc958169b8a8a3e77ea926d92d472b02a","status":"affected","lessThan":"5ce7f36c334d723954855ac769ede2fe0e8f89c8","versionType":"git"},{"version":"6.12.20","status":"affected","lessThan":"6.12.112","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/broadcom/bnxt/bnxt.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.13","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.7","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/broadcom/bnxt/bnxt.c"]}],"references":["https://git.kernel.org/stable/c/e42287b4d38d653f7d4a47f6c29b0c01288bb050","https://git.kernel.org/stable/c/8ade95619cbfd1fc57f0f1a9a5ebdca2345a8d27","https://git.kernel.org/stable/c/0596a7caa6fc283e142716739099c038d8714082","https://git.kernel.org/stable/c/5ce7f36c334d723954855ac769ede2fe0e8f89c8"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/97xxx/CVE-2026-97574.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-97574","state":"PUBLISHED","datePublished":"2026-09-25T10:21:58.062Z","dateUpdated":"2026-10-19T09:09:36.867Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-24T16:01:01.156Z"},"containers":{"cna":{"title":"bnxt_en: Don't free the live ring's TPA state on queue restart failure","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: Don't free the live ring's TPA state on queue restart failure\n\nbnxt_queue_mem_alloc() shallow copies the live RX ring into the clone:\n\n  memcpy(clone, rxr, sizeof(*rxr));\n\nthe code currently clears pointers that the clone owns (such as\nrx_agg_bmap), but rx_tpa and rx_tpa_idx_map are left pointing at memory\nof the live ring that was cloned.\n\nIf an allocation failure happens later and the err_free_tpa_info label\nis taken, the live ring's memory can be freed while still in use.\n\nFix this by initializing the clone's pointers to NULL to prevent live\nring state from being freed inadvertently."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0997443906b96a051011f220a61e6dce4602ec54","status":"affected","lessThan":"e42287b4d38d653f7d4a47f6c29b0c01288bb050","versionType":"git"},{"version":"bd649c5cc958169b8a8a3e77ea926d92d472b02a","status":"affected","lessThan":"8ade95619cbfd1fc57f0f1a9a5ebdca2345a8d27","versionType":"git"},{"version":"bd649c5cc958169b8a8a3e77ea926d92d472b02a","status":"affected","lessThan":"0596a7caa6fc283e142716739099c038d8714082","versionType":"git"},{"version":"bd649c5cc958169b8a8a3e77ea926d92d472b02a","status":"affected","lessThan":"5ce7f36c334d723954855ac769ede2fe0e8f89c8","versionType":"git"},{"version":"6.12.20","status":"affected","lessThan":"6.12.112","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/broadcom/bnxt/bnxt.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.13","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.7","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/broadcom/bnxt/bnxt.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/e42287b4d38d653f7d4a47f6c29b0c01288bb050"},{"url":"https://git.kernel.org/stable/c/8ade95619cbfd1fc57f0f1a9a5ebdca2345a8d27"},{"url":"https://git.kernel.org/stable/c/0596a7caa6fc283e142716739099c038d8714082"},{"url":"https://git.kernel.org/stable/c/5ce7f36c334d723954855ac769ede2fe0e8f89c8"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:09:36.867Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12.20","versionEndExcluding":"6.12.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"7.2.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}