{"api_version":"1","generated_at":"2026-06-26T06:37:38+00:00","cve":"CVE-2026-53177","urls":{"html":"https://cve.report/CVE-2026-53177","api":"https://cve.report/api/cve/CVE-2026-53177.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53177","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53177"},"summary":{"title":"bnxt_en: Fix NULL pointer dereference","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: Fix NULL pointer dereference\n\nPCIe errors detected by a Root Port or Downstream Port cause error\nrecovery services to run on all subordinate devices regardless of\nadministrative state.\n\nThe .error_detected() callback, bnxt_io_error_detected(), disables\nand synchronizes IRQs via bnxt_disable_int_sync(), which calls\nbnxt_cp_num_to_irq_num() to map completion rings to IRQs using\nbp->bnapi.\n\nSince bp->bnapi is allocated on NIC open and freed on NIC close, PCIe\nerror recovery on a closed NIC can dereference a NULL pointer.\n\nCheck if bp->bnapi is NULL before disabling and synchronizing IRQs.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-25 09:16:35","updated_at":"2026-06-25 09:16:35"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/3884976f87448e269908ae61bd5d62d54ce9c0c7","name":"https://git.kernel.org/stable/c/3884976f87448e269908ae61bd5d62d54ce9c0c7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/964b1c3eb71afe58bb61c8b984164447e000ae8a","name":"https://git.kernel.org/stable/c/964b1c3eb71afe58bb61c8b984164447e000ae8a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/08e57d014ea19f303d5d57a849beb846f37788b7","name":"https://git.kernel.org/stable/c/08e57d014ea19f303d5d57a849beb846f37788b7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/580844a9683afe7974856dd5b7886447435b3474","name":"https://git.kernel.org/stable/c/580844a9683afe7974856dd5b7886447435b3474","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d930276f2cddd0b7294cac7a8fe7b877f6d9e08d","name":"https://git.kernel.org/stable/c/d930276f2cddd0b7294cac7a8fe7b877f6d9e08d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1a418ad0e5e525d1d117dd1601681f75455af320","name":"https://git.kernel.org/stable/c/1a418ad0e5e525d1d117dd1601681f75455af320","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/59c5a3e69c7630a811565937e64be70b08436761","name":"https://git.kernel.org/stable/c/59c5a3e69c7630a811565937e64be70b08436761","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-53177","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53177","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e5811b8c09df9bc80eabc95339fceded23f16289 964b1c3eb71afe58bb61c8b984164447e000ae8a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e5811b8c09df9bc80eabc95339fceded23f16289 59c5a3e69c7630a811565937e64be70b08436761 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e5811b8c09df9bc80eabc95339fceded23f16289 1a418ad0e5e525d1d117dd1601681f75455af320 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e5811b8c09df9bc80eabc95339fceded23f16289 08e57d014ea19f303d5d57a849beb846f37788b7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.94 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.36 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.13 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"53177","cve":"CVE-2026-53177","epss":"0.001720000","percentile":"0.068650000","score_date":"2026-06-25","updated_at":"2026-06-26 00:06:14"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/ethernet/broadcom/bnxt/bnxt.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"964b1c3eb71afe58bb61c8b984164447e000ae8a","status":"affected","version":"e5811b8c09df9bc80eabc95339fceded23f16289","versionType":"git"},{"lessThan":"59c5a3e69c7630a811565937e64be70b08436761","status":"affected","version":"e5811b8c09df9bc80eabc95339fceded23f16289","versionType":"git"},{"lessThan":"1a418ad0e5e525d1d117dd1601681f75455af320","status":"affected","version":"e5811b8c09df9bc80eabc95339fceded23f16289","versionType":"git"},{"lessThan":"08e57d014ea19f303d5d57a849beb846f37788b7","status":"affected","version":"e5811b8c09df9bc80eabc95339fceded23f16289","versionType":"git"},{"lessThan":"3884976f87448e269908ae61bd5d62d54ce9c0c7","status":"affected","version":"e5811b8c09df9bc80eabc95339fceded23f16289","versionType":"git"},{"lessThan":"580844a9683afe7974856dd5b7886447435b3474","status":"affected","version":"e5811b8c09df9bc80eabc95339fceded23f16289","versionType":"git"},{"lessThan":"d930276f2cddd0b7294cac7a8fe7b877f6d9e08d","status":"affected","version":"e5811b8c09df9bc80eabc95339fceded23f16289","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ethernet/broadcom/bnxt/bnxt.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.17"},{"lessThan":"4.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.143","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.94","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.36","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.13","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.210","versionStartIncluding":"4.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.176","versionStartIncluding":"4.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.143","versionStartIncluding":"4.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.94","versionStartIncluding":"4.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.36","versionStartIncluding":"4.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.13","versionStartIncluding":"4.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"4.17","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: Fix NULL pointer dereference\n\nPCIe errors detected by a Root Port or Downstream Port cause error\nrecovery services to run on all subordinate devices regardless of\nadministrative state.\n\nThe .error_detected() callback, bnxt_io_error_detected(), disables\nand synchronizes IRQs via bnxt_disable_int_sync(), which calls\nbnxt_cp_num_to_irq_num() to map completion rings to IRQs using\nbp->bnapi.\n\nSince bp->bnapi is allocated on NIC open and freed on NIC close, PCIe\nerror recovery on a closed NIC can dereference a NULL pointer.\n\nCheck if bp->bnapi is NULL before disabling and synchronizing IRQs."}],"providerMetadata":{"dateUpdated":"2026-06-25T08:38:53.347Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/964b1c3eb71afe58bb61c8b984164447e000ae8a"},{"url":"https://git.kernel.org/stable/c/59c5a3e69c7630a811565937e64be70b08436761"},{"url":"https://git.kernel.org/stable/c/1a418ad0e5e525d1d117dd1601681f75455af320"},{"url":"https://git.kernel.org/stable/c/08e57d014ea19f303d5d57a849beb846f37788b7"},{"url":"https://git.kernel.org/stable/c/3884976f87448e269908ae61bd5d62d54ce9c0c7"},{"url":"https://git.kernel.org/stable/c/580844a9683afe7974856dd5b7886447435b3474"},{"url":"https://git.kernel.org/stable/c/d930276f2cddd0b7294cac7a8fe7b877f6d9e08d"}],"title":"bnxt_en: Fix NULL pointer dereference","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-53177","datePublished":"2026-06-25T08:38:53.347Z","dateReserved":"2026-06-09T07:44:35.389Z","dateUpdated":"2026-06-25T08:38:53.347Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-25 09:16:35","lastModifiedDate":"2026-06-25 09:16:35","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"53177","Ordinal":"1","Title":"bnxt_en: Fix NULL pointer dereference","CVE":"CVE-2026-53177","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"53177","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: Fix NULL pointer dereference\n\nPCIe errors detected by a Root Port or Downstream Port cause error\nrecovery services to run on all subordinate devices regardless of\nadministrative state.\n\nThe .error_detected() callback, bnxt_io_error_detected(), disables\nand synchronizes IRQs via bnxt_disable_int_sync(), which calls\nbnxt_cp_num_to_irq_num() to map completion rings to IRQs using\nbp->bnapi.\n\nSince bp->bnapi is allocated on NIC open and freed on NIC close, PCIe\nerror recovery on a closed NIC can dereference a NULL pointer.\n\nCheck if bp->bnapi is NULL before disabling and synchronizing IRQs.","Type":"Description","Title":"bnxt_en: Fix NULL pointer dereference"}]}}}