{"id":"CVE-2026-93278","summary":"staging: octeon: add missing napi_disable in cvm_oct_rx_shutdown","details":"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.","modified":"2026-09-26T03:48:30.291156030Z","published":"2026-09-24T15:52:20.416Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93278.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/158389d7af04bbf0664d91c2ce31fcc9eeace1eb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/89f9f433271fad9351de6a3c713b45b2cfb23e4a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/98f9036b2254c928cb44da0c77dba38f66f7d8f1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b2243ffaac14cc3639b5b32a371aac37f96ee554"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b38fbd68cc36b4f478a1e3cfc169b8616ae1337d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c0a9a8586a63fda49e61a6b83360feac2a60d898"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c124049c3a7006fd6caf629139a5722610bbffb4"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93278.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93278"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"3368c784bcf77124aaf39372e627016c36bd4472"},{"fixed":"158389d7af04bbf0664d91c2ce31fcc9eeace1eb"},{"fixed":"c124049c3a7006fd6caf629139a5722610bbffb4"},{"fixed":"98f9036b2254c928cb44da0c77dba38f66f7d8f1"},{"fixed":"b38fbd68cc36b4f478a1e3cfc169b8616ae1337d"},{"fixed":"89f9f433271fad9351de6a3c713b45b2cfb23e4a"},{"fixed":"b2243ffaac14cc3639b5b32a371aac37f96ee554"},{"fixed":"c0a9a8586a63fda49e61a6b83360feac2a60d898"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-93278.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.34"},{"fixed":"5.15.221"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.188"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.157"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.110"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.52"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.6"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-93278.json"}}],"schema_version":"1.9.0"}