{"id":"CVE-2026-93278","title":"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","summary":"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 th…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 3368c784bcf77124aaf39372e627016c36bd4472 < 158389d7af04bbf0664d91c2ce31fcc9eeace1eb","Linux >= 3368c784bcf77124aaf39372e627016c36bd4472 < c124049c3a7006fd6caf629139a5722610bbffb4","Linux >= 3368c784bcf77124aaf39372e627016c36bd4472 < 98f9036b2254c928cb44da0c77dba38f66f7d8f1","Linux >= 3368c784bcf77124aaf39372e627016c36bd4472 < b38fbd68cc36b4f478a1e3cfc169b8616ae1337d","Linux >= 3368c784bcf77124aaf39372e627016c36bd4472 < 89f9f433271fad9351de6a3c713b45b2cfb23e4a","Linux >= 3368c784bcf77124aaf39372e627016c36bd4472 < b2243ffaac14cc3639b5b32a371aac37f96ee554","Linux >= 3368c784bcf77124aaf39372e627016c36bd4472 < c0a9a8586a63fda49e61a6b83360feac2a60d898","Linux 2.6.34"],"published":"2026-09-24","updated":"2026-09-24","sourceUpdated":"2026-09-24T16:17:25.017","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93278","references":[{"url":"https://git.kernel.org/stable/c/158389d7af04bbf0664d91c2ce31fcc9eeace1eb","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/89f9f433271fad9351de6a3c713b45b2cfb23e4a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/98f9036b2254c928cb44da0c77dba38f66f7d8f1","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b2243ffaac14cc3639b5b32a371aac37f96ee554","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b38fbd68cc36b4f478a1e3cfc169b8616ae1337d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c0a9a8586a63fda49e61a6b83360feac2a60d898","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c124049c3a7006fd6caf629139a5722610bbffb4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-24T16:47:15.841Z","slug":"CVE-2026-93278","body":"## Overview\n\nIn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}