{ "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": "2026-10-19T09:08:32.599Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:08:32.599Z" }, "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", "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" } ] } ] } ], "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" } } } }