{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98544","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-25T10:25:14.356Z","datePublished":"2026-10-18T15:18:12.964Z","dateUpdated":"2026-10-21T12:55:20.477Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-10-21T12:55:20.477Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbna: prevent IOC timer rearm during teardown\n\nbna: prevent IOC timer rearm during teardown\n\nbnad_pci_remove() and the probe disable_ioceth path call\ntimer_delete_sync() for ioc_timer, sem_timer and hb_timer, but not for\niocpf_timer.  bnad_iocpf_timeout() then takes bnad->bna_lock after\nfree_netdev() has freed the struct bnad.\n\nDeleting iocpf_timer last does not fix this.  sem_timer and\niocpf_timer rearm each other: bnad_iocpf_sem_timeout() can arm\niocpf_timer, and bnad_iocpf_timeout() arms sem_timer from\nbfa_ioc_hw_sem_get() when the semaphore is busy.\ntimer_delete_sync() only waits out its own callback.\nbnad_ioceth_disable() can time out and leave that callback live.\n\nShut all four IOC timers down with timer_shutdown_sync() on both\npaths, so a later mod_timer() is ignored.\n\nThis issue was identified during our ongoing static-analysis research\nwhile reviewing kernel code."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/brocade/bna/bnad.c"],"versions":[{"version":"1d32f7696286eef9e5644eb57e79a36756274357","lessThan":"f04cbdfac9b8284146995ab7ba0d054ad1d20ec6","status":"affected","versionType":"git"},{"version":"1d32f7696286eef9e5644eb57e79a36756274357","lessThan":"28e32ace754b57534ef0ca0fb99bcbea5b13ba2a","status":"affected","versionType":"git"},{"version":"1d32f7696286eef9e5644eb57e79a36756274357","lessThan":"4d97a141e85a034566c33c7ed854c8a3e8a268f1","status":"affected","versionType":"git"},{"version":"1d32f7696286eef9e5644eb57e79a36756274357","lessThan":"e09d1c6729ee4a7812128902d9274ff565f958b8","status":"affected","versionType":"git"},{"version":"1d32f7696286eef9e5644eb57e79a36756274357","lessThan":"77b1718e39e5c9f6956fb60807326af20baf889d","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/net/ethernet/brocade/bna/bnad.c"],"versions":[{"version":"2.6.38","status":"affected"},{"version":"0","lessThan":"2.6.38","status":"unaffected","versionType":"semver"},{"version":"6.6.160","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.112","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.55","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.9","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":"2.6.38","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.38","versionEndExcluding":"6.12.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.38","versionEndExcluding":"6.18.55"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.38","versionEndExcluding":"7.2.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.38","versionEndExcluding":"7.3"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/f04cbdfac9b8284146995ab7ba0d054ad1d20ec6"},{"url":"https://git.kernel.org/stable/c/28e32ace754b57534ef0ca0fb99bcbea5b13ba2a"},{"url":"https://git.kernel.org/stable/c/4d97a141e85a034566c33c7ed854c8a3e8a268f1"},{"url":"https://git.kernel.org/stable/c/e09d1c6729ee4a7812128902d9274ff565f958b8"},{"url":"https://git.kernel.org/stable/c/77b1718e39e5c9f6956fb60807326af20baf889d"}],"title":"bna: prevent IOC timer rearm during teardown","x_generator":{"engine":"bippy-1.2.0"}}}}