{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93278","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-17T16:02:15.098Z","datePublished":"2026-09-24T15:52:20.416Z","dateUpdated":"2026-09-24T15:52:20.416Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-24T15:52:20.416Z"},"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."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/staging/octeon/ethernet-rx.c"],"versions":[{"version":"3368c784bcf77124aaf39372e627016c36bd4472","lessThan":"158389d7af04bbf0664d91c2ce31fcc9eeace1eb","status":"affected","versionType":"git"},{"version":"3368c784bcf77124aaf39372e627016c36bd4472","lessThan":"c124049c3a7006fd6caf629139a5722610bbffb4","status":"affected","versionType":"git"},{"version":"3368c784bcf77124aaf39372e627016c36bd4472","lessThan":"98f9036b2254c928cb44da0c77dba38f66f7d8f1","status":"affected","versionType":"git"},{"version":"3368c784bcf77124aaf39372e627016c36bd4472","lessThan":"b38fbd68cc36b4f478a1e3cfc169b8616ae1337d","status":"affected","versionType":"git"},{"version":"3368c784bcf77124aaf39372e627016c36bd4472","lessThan":"89f9f433271fad9351de6a3c713b45b2cfb23e4a","status":"affected","versionType":"git"},{"version":"3368c784bcf77124aaf39372e627016c36bd4472","lessThan":"b2243ffaac14cc3639b5b32a371aac37f96ee554","status":"affected","versionType":"git"},{"version":"3368c784bcf77124aaf39372e627016c36bd4472","lessThan":"c0a9a8586a63fda49e61a6b83360feac2a60d898","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/staging/octeon/ethernet-rx.c"],"versions":[{"version":"2.6.34","status":"affected"},{"version":"0","lessThan":"2.6.34","status":"unaffected","versionType":"semver"},{"version":"5.15.221","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.188","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.157","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.110","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.52","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.6","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3-rc1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"5.15.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"7.3-rc1"}]}]}],"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"}}}}