{"id":"CVE-2026-97571","state":"PUBLISHED","title":"bnxt_en: Propagate TPA buffer allocation failures in bnxt_queue_mem_alloc()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: Propagate TPA buffer allocation failures in bnxt_queue_mem_alloc()\n\nbnxt_alloc_one_tpa_info_data() returns -ENOMEM as soon as one allocation\nfails. This leaves the remaining rxr->rx_tpa[] entries zeroed.\n\nbnxt_queue_mem_alloc() discards that return value, so the partially\ninitialized ring is installed by bnxt_queue_start().\n\nSince the agg_id is picked by the hardware and bnxt_alloc_agg_idx maps\nit to a SW index in rxr->rx_tpa[], it is possible that an uninitialized\nslot can be chosen which would hand a zero DMA address to the device.\n\nFix this by checking the return value of bnxt_alloc_one_tpa_info_data\nand unwinding, freeing the ring buffers.","publishedAt":"2026-09-25T10:21:56.208Z","updatedAt":"2026-10-19T09:09:33.921Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0997443906b96a051011f220a61e6dce4602ec54","status":"affected","lessThan":"d7db2e4953e4626339fd0075564a3e447650d37b","versionType":"git"},{"version":"bd649c5cc958169b8a8a3e77ea926d92d472b02a","status":"affected","lessThan":"c8050386a2209b2a474c1eb4bd1574dc19129bfb","versionType":"git"},{"version":"bd649c5cc958169b8a8a3e77ea926d92d472b02a","status":"affected","lessThan":"37e08dc821a57fe0592c917486b638caa888b46d","versionType":"git"},{"version":"bd649c5cc958169b8a8a3e77ea926d92d472b02a","status":"affected","lessThan":"b814dfbfeb0a68c9a52073f2caa05a2d5247a329","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/d7db2e4953e4626339fd0075564a3e447650d37b","https://git.kernel.org/stable/c/c8050386a2209b2a474c1eb4bd1574dc19129bfb","https://git.kernel.org/stable/c/37e08dc821a57fe0592c917486b638caa888b46d","https://git.kernel.org/stable/c/b814dfbfeb0a68c9a52073f2caa05a2d5247a329"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/97xxx/CVE-2026-97571.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-97571","state":"PUBLISHED","datePublished":"2026-09-25T10:21:56.208Z","dateUpdated":"2026-10-19T09:09:33.921Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-24T16:01:01.155Z"},"containers":{"cna":{"title":"bnxt_en: Propagate TPA buffer allocation failures in bnxt_queue_mem_alloc()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: Propagate TPA buffer allocation failures in bnxt_queue_mem_alloc()\n\nbnxt_alloc_one_tpa_info_data() returns -ENOMEM as soon as one allocation\nfails. This leaves the remaining rxr->rx_tpa[] entries zeroed.\n\nbnxt_queue_mem_alloc() discards that return value, so the partially\ninitialized ring is installed by bnxt_queue_start().\n\nSince the agg_id is picked by the hardware and bnxt_alloc_agg_idx maps\nit to a SW index in rxr->rx_tpa[], it is possible that an uninitialized\nslot can be chosen which would hand a zero DMA address to the device.\n\nFix this by checking the return value of bnxt_alloc_one_tpa_info_data\nand unwinding, freeing the ring buffers."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0997443906b96a051011f220a61e6dce4602ec54","status":"affected","lessThan":"d7db2e4953e4626339fd0075564a3e447650d37b","versionType":"git"},{"version":"bd649c5cc958169b8a8a3e77ea926d92d472b02a","status":"affected","lessThan":"c8050386a2209b2a474c1eb4bd1574dc19129bfb","versionType":"git"},{"version":"bd649c5cc958169b8a8a3e77ea926d92d472b02a","status":"affected","lessThan":"37e08dc821a57fe0592c917486b638caa888b46d","versionType":"git"},{"version":"bd649c5cc958169b8a8a3e77ea926d92d472b02a","status":"affected","lessThan":"b814dfbfeb0a68c9a52073f2caa05a2d5247a329","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/d7db2e4953e4626339fd0075564a3e447650d37b"},{"url":"https://git.kernel.org/stable/c/c8050386a2209b2a474c1eb4bd1574dc19129bfb"},{"url":"https://git.kernel.org/stable/c/37e08dc821a57fe0592c917486b638caa888b46d"},{"url":"https://git.kernel.org/stable/c/b814dfbfeb0a68c9a52073f2caa05a2d5247a329"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:09:33.921Z"},"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"}}}}}