{"id":"CVE-2026-98297","aliases":[],"cve":{"records":[{"id":"CVE-2026-98297","source":"Linux","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-09-25T10:25:14.337Z","published":"2026-10-06T08:45:55.723Z","modified":"2026-10-30T12:38:01.528Z"}],"publishers":[{"name":"Linux","role":"CNA","organizationId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","modified":"2026-10-30T12:38:01.528Z"}],"references":[{"url":"https://git.kernel.org/stable/c/9943b4c70ad972f368705da8605054f865b08dad","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/8010212197d4a3ee714f78ed77048d0b712ff925","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/ab0678a0701ac4de499428dc1b321659bb74d272","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/e220c1242a643d97102a79f09b7ef3aa31276961","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/cbb325bc150e8c0dbce004ac0e5516bcffc0de31","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/6610c6fe4b8936c232048e6049bf77c70a6f759c","tags":[],"source":"Linux"}],"weaknesses":[],"applicability":[{"source":"Linux","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12.93","versionEndExcluding":"6.12.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18.35","versionEndExcluding":"6.18.54"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.1","versionEndExcluding":"7.2.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.1","versionEndExcluding":"7.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.0.12"}]}]}]}],"prioritization":[]},"title":"Bluetooth: hci_core: Fix queuing tx_work after workqueue is drained","titleSource":"Linux","descriptionSource":"Linux","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_core: Fix queuing tx_work after workqueue is drained\n\nhci_send_acl(), hci_send_sco() and hci_send_iso() queue hdev->tx_work\nunconditionally. They can run from the L2CAP/SCO/ISO socket send path\nwhile hci_dev_close_sync() is draining hdev->workqueue (HCIDEVDOWN\nracing with a socket write). Since that queue_work() is not chained\nwork from the tx_work worker itself, __queue_work() sees the queue\nmarked __WQ_DRAINING, warns \"cannot queue %ps on wq %s\", and drops\nthe work:\n\n  WARNING: CPU: 1 PID: 5985 at kernel/workqueue.c:2352 __queue_work\n  Call Trace:\n   queue_work_on\n   l2cap_chan_send\n   l2cap_sock_sendmsg\n   ...\n\nhci_dev_close_sync() already sets HCI_CMD_DRAIN_WORKQUEUE before\ndraining, but only hci_cmd_work() and handle_cmd_cnt_and_timer()\ncheck it before queuing. Route the tx_work producers through the\nsame guard via a shared hci_sched_tx() helper.","score":null,"severity":"unknown","published":"2026-10-06T08:45:55.723Z","modified":"2026-10-30T12:38:01.528Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Linux","name":"Linux","platforms":[],"versions":[{"version":"ccf07dfb9d7d1e2c7a1eeb782f90d9b614ebba9c","status":"affected","lessThan":"9943b4c70ad972f368705da8605054f865b08dad","versionType":"git"},{"version":"7b81c1378b79c3143ca3fdb3d18ac0f01cbabb21","status":"affected","lessThan":"8010212197d4a3ee714f78ed77048d0b712ff925","versionType":"git"},{"version":"9cebe4680bb9a72f80c6541eb24af06db7a1fbc9","status":"affected","lessThan":"ab0678a0701ac4de499428dc1b321659bb74d272","versionType":"git"},{"version":"47330cc875b36a1cf7b3543cb2cf90a7c603ce0e","status":"affected","lessThan":"e220c1242a643d97102a79f09b7ef3aa31276961","versionType":"git"},{"version":"525daaea459fc215f432de1b8debbd9144bf97b0","status":"affected","lessThan":"cbb325bc150e8c0dbce004ac0e5516bcffc0de31","versionType":"git"},{"version":"525daaea459fc215f432de1b8debbd9144bf97b0","status":"affected","lessThan":"6610c6fe4b8936c232048e6049bf77c70a6f759c","versionType":"git"},{"version":"60bceb9a4c693e68cc90ba4b2dfb9e000e8638ff","status":"affected","versionType":"git"},{"version":"6.12.93","status":"affected","lessThan":"6.12.112","versionType":"semver"},{"version":"6.18.35","status":"affected","lessThan":"6.18.54","versionType":"semver"},{"version":"7.0.12","status":"affected","lessThan":"7.1","versionType":"semver"}],"defaultStatus":"unaffected","cpes":[],"source":"Linux","url":"https://www.cve.org/CVERecord?id=CVE-2026-98297"},{"vendor":"Linux","name":"Linux","platforms":[],"versions":[{"version":"7.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"7.1","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.54","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.8","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"defaultStatus":"affected","cpes":[],"source":"Linux","url":"https://www.cve.org/CVERecord?id=CVE-2026-98297"}],"remediation":[],"references":["https://git.kernel.org/stable/c/9943b4c70ad972f368705da8605054f865b08dad","https://git.kernel.org/stable/c/8010212197d4a3ee714f78ed77048d0b712ff925","https://git.kernel.org/stable/c/ab0678a0701ac4de499428dc1b321659bb74d272","https://git.kernel.org/stable/c/e220c1242a643d97102a79f09b7ef3aa31276961","https://git.kernel.org/stable/c/cbb325bc150e8c0dbce004ac0e5516bcffc0de31","https://git.kernel.org/stable/c/6610c6fe4b8936c232048e6049bf77c70a6f759c"],"sources":[{"name":"CVE","id":"CVE-2026-98297","modified":"2026-10-30T12:38:01.528Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-98297"}],"assessments":[],"sourceAffected":[],"observedAt":"2026-10-30T14:01:11.279Z","kev":{"status":"not-listed","checkedAt":"2026-11-14T22:40:32.870Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[],"aiSummary":null}