{"api_version":"1","generated_at":"2026-09-26T13:04:22+00:00","cve":"CVE-2026-97435","urls":{"html":"https://cve.report/CVE-2026-97435","api":"https://cve.report/api/cve/CVE-2026-97435.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-97435","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-97435"},"summary":{"title":"net: dsa: sja1105: flower: reject cross-chip redirect","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: sja1105: flower: reject cross-chip redirect\n\ndsa_port_from_netdev() may return a valid port from a different switch\nchip. Programming another chip's port index into the local hardware\ncauses redirection to the wrong port, or an out-of-bounds access if the\nindex exceeds the local chip's port count.\n\nApply a minimal fix that adds a check to catch this case and adjusts the\nextack message. When cls->common.skip_sw is not set, the operation could\ninstead redirect to the upstream port and let the software or upstream\nswitch(es) handle the forward, but that is not addressed here.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-24 17:17:21","updated_at":"2026-09-25 13:17:27"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/c999cc39775381b68ed66eae57c1425452672c0f","name":"https://git.kernel.org/stable/c/c999cc39775381b68ed66eae57c1425452672c0f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/abd7511e12b231798332afa04ed9bee9e84f9445","name":"https://git.kernel.org/stable/c/abd7511e12b231798332afa04ed9bee9e84f9445","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/cfa5274a5dc2a23b957da5dc806d2ac0c7a66af0","name":"https://git.kernel.org/stable/c/cfa5274a5dc2a23b957da5dc806d2ac0c7a66af0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-97435","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-97435","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected dfacc5a23e227cabdff41b6202f510398e90d36b c999cc39775381b68ed66eae57c1425452672c0f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected dfacc5a23e227cabdff41b6202f510398e90d36b abd7511e12b231798332afa04ed9bee9e84f9445 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected dfacc5a23e227cabdff41b6202f510398e90d36b cfa5274a5dc2a23b957da5dc806d2ac0c7a66af0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.8","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.8 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.111 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.53 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"97435","cve":"CVE-2026-97435","epss":"0.001660000","percentile":"0.051820000","score_date":"2026-09-25","updated_at":"2026-09-26 00:06:17"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/dsa/sja1105/sja1105_flower.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c999cc39775381b68ed66eae57c1425452672c0f","status":"affected","version":"dfacc5a23e227cabdff41b6202f510398e90d36b","versionType":"git"},{"lessThan":"abd7511e12b231798332afa04ed9bee9e84f9445","status":"affected","version":"dfacc5a23e227cabdff41b6202f510398e90d36b","versionType":"git"},{"lessThan":"cfa5274a5dc2a23b957da5dc806d2ac0c7a66af0","status":"affected","version":"dfacc5a23e227cabdff41b6202f510398e90d36b","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/dsa/sja1105/sja1105_flower.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.8"},{"lessThan":"5.8","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.111","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.53","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.111","versionStartIncluding":"5.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.53","versionStartIncluding":"5.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"5.8","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: sja1105: flower: reject cross-chip redirect\n\ndsa_port_from_netdev() may return a valid port from a different switch\nchip. Programming another chip's port index into the local hardware\ncauses redirection to the wrong port, or an out-of-bounds access if the\nindex exceeds the local chip's port count.\n\nApply a minimal fix that adds a check to catch this case and adjusts the\nextack message. When cls->common.skip_sw is not set, the operation could\ninstead redirect to the upstream port and let the software or upstream\nswitch(es) handle the forward, but that is not addressed here."}],"providerMetadata":{"dateUpdated":"2026-09-25T12:44:12.199Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/c999cc39775381b68ed66eae57c1425452672c0f"},{"url":"https://git.kernel.org/stable/c/abd7511e12b231798332afa04ed9bee9e84f9445"},{"url":"https://git.kernel.org/stable/c/cfa5274a5dc2a23b957da5dc806d2ac0c7a66af0"}],"title":"net: dsa: sja1105: flower: reject cross-chip redirect","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-97435","datePublished":"2026-09-24T16:03:48.116Z","dateReserved":"2026-09-24T14:53:16.869Z","dateUpdated":"2026-09-25T12:44:12.199Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-24 17:17:21","lastModifiedDate":"2026-09-25 13:17:27","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"97435","Ordinal":"1","Title":"net: dsa: sja1105: flower: reject cross-chip redirect","CVE":"CVE-2026-97435","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"97435","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: sja1105: flower: reject cross-chip redirect\n\ndsa_port_from_netdev() may return a valid port from a different switch\nchip. Programming another chip's port index into the local hardware\ncauses redirection to the wrong port, or an out-of-bounds access if the\nindex exceeds the local chip's port count.\n\nApply a minimal fix that adds a check to catch this case and adjusts the\nextack message. When cls->common.skip_sw is not set, the operation could\ninstead redirect to the upstream port and let the software or upstream\nswitch(es) handle the forward, but that is not addressed here.","Type":"Description","Title":"net: dsa: sja1105: flower: reject cross-chip redirect"}]}}}