{"id":"CVE-2026-97572","state":"PUBLISHED","title":"bnxt_en: Propagate RX ring init failures in bnxt_init_nic()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: Propagate RX ring init failures in bnxt_init_nic()\n\nbnxt_init_rx_rings() returns an error when bnxt_alloc_one_rx_ring()\nfails, but bnxt_init_nic() discards that return value and calls\nbnxt_init_chip(), which enables TPA.\n\nIf an allocation fails, this could leave rxr->rx_tpa[] partially zeroed\nand TPA would be enabled over an array with zeroed entries. This would\nlead to a zeroed DMA address being handed out if the agg_idx is\ntranslated to a SW index at a zeroed entry.\n\nFix this by propagating the error out of bnxt_init_nic(). Both callers\nalready check its return value and unwind with bnxt_free_skbs() and\nbnxt_free_mem(), which tolerate a partially initialized RX ring.","publishedAt":"2026-09-25T10:21:56.826Z","updatedAt":"2026-10-19T09:09:34.905Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c0c050c58d840994ba842ad1c338a98e7c12b764","status":"affected","lessThan":"e40641638743b4b848d5ed78a0565afffc359d8e","versionType":"git"},{"version":"c0c050c58d840994ba842ad1c338a98e7c12b764","status":"affected","lessThan":"6b24eca42619b93f69aebc2aa0a9fd28ac9a5085","versionType":"git"},{"version":"c0c050c58d840994ba842ad1c338a98e7c12b764","status":"affected","lessThan":"1f2d333ae2e1a73b7cc1c2a627587024cd147c01","versionType":"git"},{"version":"c0c050c58d840994ba842ad1c338a98e7c12b764","status":"affected","lessThan":"c3eb07e78e628243cbb9bbb0115db802fb7a303f","versionType":"git"},{"version":"c0c050c58d840994ba842ad1c338a98e7c12b764","status":"affected","lessThan":"daadccd062fdca5e77a8cc22ffe35857803b6c49","versionType":"git"},{"version":"c0c050c58d840994ba842ad1c338a98e7c12b764","status":"affected","lessThan":"b4c40f2c80d7bf50648878bc206a39adfbfaec6c","versionType":"git"},{"version":"c0c050c58d840994ba842ad1c338a98e7c12b764","status":"affected","lessThan":"dfd73af81cdb9f7b399754a59e2658a08211bee5","versionType":"git"},{"version":"c0c050c58d840994ba842ad1c338a98e7c12b764","status":"affected","lessThan":"8e6a850c0746bb4be167aedf1ee57469fcda09a9","versionType":"git"}],"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":"4.4","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.4","versionType":"semver"},{"version":"5.10.271","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.222","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.111","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/e40641638743b4b848d5ed78a0565afffc359d8e","https://git.kernel.org/stable/c/6b24eca42619b93f69aebc2aa0a9fd28ac9a5085","https://git.kernel.org/stable/c/1f2d333ae2e1a73b7cc1c2a627587024cd147c01","https://git.kernel.org/stable/c/c3eb07e78e628243cbb9bbb0115db802fb7a303f","https://git.kernel.org/stable/c/daadccd062fdca5e77a8cc22ffe35857803b6c49","https://git.kernel.org/stable/c/b4c40f2c80d7bf50648878bc206a39adfbfaec6c","https://git.kernel.org/stable/c/dfd73af81cdb9f7b399754a59e2658a08211bee5","https://git.kernel.org/stable/c/8e6a850c0746bb4be167aedf1ee57469fcda09a9"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/97xxx/CVE-2026-97572.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-97572","state":"PUBLISHED","datePublished":"2026-09-25T10:21:56.826Z","dateUpdated":"2026-10-19T09:09:34.905Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-24T16:01:01.155Z"},"containers":{"cna":{"title":"bnxt_en: Propagate RX ring init failures in bnxt_init_nic()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: Propagate RX ring init failures in bnxt_init_nic()\n\nbnxt_init_rx_rings() returns an error when bnxt_alloc_one_rx_ring()\nfails, but bnxt_init_nic() discards that return value and calls\nbnxt_init_chip(), which enables TPA.\n\nIf an allocation fails, this could leave rxr->rx_tpa[] partially zeroed\nand TPA would be enabled over an array with zeroed entries. This would\nlead to a zeroed DMA address being handed out if the agg_idx is\ntranslated to a SW index at a zeroed entry.\n\nFix this by propagating the error out of bnxt_init_nic(). Both callers\nalready check its return value and unwind with bnxt_free_skbs() and\nbnxt_free_mem(), which tolerate a partially initialized RX ring."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c0c050c58d840994ba842ad1c338a98e7c12b764","status":"affected","lessThan":"e40641638743b4b848d5ed78a0565afffc359d8e","versionType":"git"},{"version":"c0c050c58d840994ba842ad1c338a98e7c12b764","status":"affected","lessThan":"6b24eca42619b93f69aebc2aa0a9fd28ac9a5085","versionType":"git"},{"version":"c0c050c58d840994ba842ad1c338a98e7c12b764","status":"affected","lessThan":"1f2d333ae2e1a73b7cc1c2a627587024cd147c01","versionType":"git"},{"version":"c0c050c58d840994ba842ad1c338a98e7c12b764","status":"affected","lessThan":"c3eb07e78e628243cbb9bbb0115db802fb7a303f","versionType":"git"},{"version":"c0c050c58d840994ba842ad1c338a98e7c12b764","status":"affected","lessThan":"daadccd062fdca5e77a8cc22ffe35857803b6c49","versionType":"git"},{"version":"c0c050c58d840994ba842ad1c338a98e7c12b764","status":"affected","lessThan":"b4c40f2c80d7bf50648878bc206a39adfbfaec6c","versionType":"git"},{"version":"c0c050c58d840994ba842ad1c338a98e7c12b764","status":"affected","lessThan":"dfd73af81cdb9f7b399754a59e2658a08211bee5","versionType":"git"},{"version":"c0c050c58d840994ba842ad1c338a98e7c12b764","status":"affected","lessThan":"8e6a850c0746bb4be167aedf1ee57469fcda09a9","versionType":"git"}],"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":"4.4","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.4","versionType":"semver"},{"version":"5.10.271","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.222","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.111","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/e40641638743b4b848d5ed78a0565afffc359d8e"},{"url":"https://git.kernel.org/stable/c/6b24eca42619b93f69aebc2aa0a9fd28ac9a5085"},{"url":"https://git.kernel.org/stable/c/1f2d333ae2e1a73b7cc1c2a627587024cd147c01"},{"url":"https://git.kernel.org/stable/c/c3eb07e78e628243cbb9bbb0115db802fb7a303f"},{"url":"https://git.kernel.org/stable/c/daadccd062fdca5e77a8cc22ffe35857803b6c49"},{"url":"https://git.kernel.org/stable/c/b4c40f2c80d7bf50648878bc206a39adfbfaec6c"},{"url":"https://git.kernel.org/stable/c/dfd73af81cdb9f7b399754a59e2658a08211bee5"},{"url":"https://git.kernel.org/stable/c/8e6a850c0746bb4be167aedf1ee57469fcda09a9"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:09:34.905Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"5.10.271"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"5.15.222"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"6.1.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"6.12.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"7.2.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}