{"api_version":"1","generated_at":"2026-10-04T10:53:26+00:00","cve":"CVE-2026-93278","urls":{"html":"https://cve.report/CVE-2026-93278","api":"https://cve.report/api/cve/CVE-2026-93278.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-93278","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-93278"},"summary":{"title":"staging: octeon: add missing napi_disable in cvm_oct_rx_shutdown","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: octeon: add missing napi_disable in cvm_oct_rx_shutdown\n\ncvm_oct_rx_shutdown calls free_irq and netif_napi_del without\ndisabling the napi instance first. As the free_irq only waits\nfor completion of hard interrupt handlers, the napi poll\nfunction could still be active. If cvm_oct_remove proceeds to\nfree the plat structure (which holds the NAPI instances), the\nactive poll function will access freed memory, resulting in a\nuse-after-free crash.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-24 16:17:25","updated_at":"2026-09-24 16:17:25"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/89f9f433271fad9351de6a3c713b45b2cfb23e4a","name":"https://git.kernel.org/stable/c/89f9f433271fad9351de6a3c713b45b2cfb23e4a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/158389d7af04bbf0664d91c2ce31fcc9eeace1eb","name":"https://git.kernel.org/stable/c/158389d7af04bbf0664d91c2ce31fcc9eeace1eb","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c0a9a8586a63fda49e61a6b83360feac2a60d898","name":"https://git.kernel.org/stable/c/c0a9a8586a63fda49e61a6b83360feac2a60d898","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b2243ffaac14cc3639b5b32a371aac37f96ee554","name":"https://git.kernel.org/stable/c/b2243ffaac14cc3639b5b32a371aac37f96ee554","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/98f9036b2254c928cb44da0c77dba38f66f7d8f1","name":"https://git.kernel.org/stable/c/98f9036b2254c928cb44da0c77dba38f66f7d8f1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c124049c3a7006fd6caf629139a5722610bbffb4","name":"https://git.kernel.org/stable/c/c124049c3a7006fd6caf629139a5722610bbffb4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b38fbd68cc36b4f478a1e3cfc169b8616ae1337d","name":"https://git.kernel.org/stable/c/b38fbd68cc36b4f478a1e3cfc169b8616ae1337d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-93278","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93278","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3368c784bcf77124aaf39372e627016c36bd4472 158389d7af04bbf0664d91c2ce31fcc9eeace1eb git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3368c784bcf77124aaf39372e627016c36bd4472 c124049c3a7006fd6caf629139a5722610bbffb4 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3368c784bcf77124aaf39372e627016c36bd4472 98f9036b2254c928cb44da0c77dba38f66f7d8f1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3368c784bcf77124aaf39372e627016c36bd4472 b38fbd68cc36b4f478a1e3cfc169b8616ae1337d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3368c784bcf77124aaf39372e627016c36bd4472 89f9f433271fad9351de6a3c713b45b2cfb23e4a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3368c784bcf77124aaf39372e627016c36bd4472 b2243ffaac14cc3639b5b32a371aac37f96ee554 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3368c784bcf77124aaf39372e627016c36bd4472 c0a9a8586a63fda49e61a6b83360feac2a60d898 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2.6.34","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 2.6.34 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.221 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.188 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.157 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.110 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.52 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.6 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/staging/octeon/ethernet-rx.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"158389d7af04bbf0664d91c2ce31fcc9eeace1eb","status":"affected","version":"3368c784bcf77124aaf39372e627016c36bd4472","versionType":"git"},{"lessThan":"c124049c3a7006fd6caf629139a5722610bbffb4","status":"affected","version":"3368c784bcf77124aaf39372e627016c36bd4472","versionType":"git"},{"lessThan":"98f9036b2254c928cb44da0c77dba38f66f7d8f1","status":"affected","version":"3368c784bcf77124aaf39372e627016c36bd4472","versionType":"git"},{"lessThan":"b38fbd68cc36b4f478a1e3cfc169b8616ae1337d","status":"affected","version":"3368c784bcf77124aaf39372e627016c36bd4472","versionType":"git"},{"lessThan":"89f9f433271fad9351de6a3c713b45b2cfb23e4a","status":"affected","version":"3368c784bcf77124aaf39372e627016c36bd4472","versionType":"git"},{"lessThan":"b2243ffaac14cc3639b5b32a371aac37f96ee554","status":"affected","version":"3368c784bcf77124aaf39372e627016c36bd4472","versionType":"git"},{"lessThan":"c0a9a8586a63fda49e61a6b83360feac2a60d898","status":"affected","version":"3368c784bcf77124aaf39372e627016c36bd4472","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/staging/octeon/ethernet-rx.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.34"},{"lessThan":"2.6.34","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.221","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.188","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.157","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.110","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.52","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.221","versionStartIncluding":"2.6.34","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.188","versionStartIncluding":"2.6.34","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.157","versionStartIncluding":"2.6.34","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.110","versionStartIncluding":"2.6.34","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.52","versionStartIncluding":"2.6.34","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.6","versionStartIncluding":"2.6.34","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"2.6.34","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: octeon: add missing napi_disable in cvm_oct_rx_shutdown\n\ncvm_oct_rx_shutdown calls free_irq and netif_napi_del without\ndisabling the napi instance first. As the free_irq only waits\nfor completion of hard interrupt handlers, the napi poll\nfunction could still be active. If cvm_oct_remove proceeds to\nfree the plat structure (which holds the NAPI instances), the\nactive poll function will access freed memory, resulting in a\nuse-after-free crash."}],"providerMetadata":{"dateUpdated":"2026-09-24T15:52:20.416Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/158389d7af04bbf0664d91c2ce31fcc9eeace1eb"},{"url":"https://git.kernel.org/stable/c/c124049c3a7006fd6caf629139a5722610bbffb4"},{"url":"https://git.kernel.org/stable/c/98f9036b2254c928cb44da0c77dba38f66f7d8f1"},{"url":"https://git.kernel.org/stable/c/b38fbd68cc36b4f478a1e3cfc169b8616ae1337d"},{"url":"https://git.kernel.org/stable/c/89f9f433271fad9351de6a3c713b45b2cfb23e4a"},{"url":"https://git.kernel.org/stable/c/b2243ffaac14cc3639b5b32a371aac37f96ee554"},{"url":"https://git.kernel.org/stable/c/c0a9a8586a63fda49e61a6b83360feac2a60d898"}],"title":"staging: octeon: add missing napi_disable in cvm_oct_rx_shutdown","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-93278","datePublished":"2026-09-24T15:52:20.416Z","dateReserved":"2026-09-17T16:02:15.098Z","dateUpdated":"2026-09-24T15:52:20.416Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-24 16:17:25","lastModifiedDate":"2026-09-24 16:17:25","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"93278","Ordinal":"1","Title":"staging: octeon: add missing napi_disable in cvm_oct_rx_shutdown","CVE":"CVE-2026-93278","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"93278","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: octeon: add missing napi_disable in cvm_oct_rx_shutdown\n\ncvm_oct_rx_shutdown calls free_irq and netif_napi_del without\ndisabling the napi instance first. As the free_irq only waits\nfor completion of hard interrupt handlers, the napi poll\nfunction could still be active. If cvm_oct_remove proceeds to\nfree the plat structure (which holds the NAPI instances), the\nactive poll function will access freed memory, resulting in a\nuse-after-free crash.","Type":"Description","Title":"staging: octeon: add missing napi_disable in cvm_oct_rx_shutdown"}]}}}