CVE-2026-74304: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciqca: fix NULL pointer dereference in qcasetup for non-serdev device hu-serdev is NULL for hciuart attached via non-serdev paths, but qcasetup unconditionally calls serdevdevicegetdrvdatahu-serdev and dereferences th...

CVE-2026-72335: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: Fix adv monitor add failure cleanup hciaddadvmonitor publishes a new advmonitor in hdev-advmonitorsidr before the powered MSFT setup step. The MSFT offload add path can then fail either locally before the...

PT-2026-72523

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Bluetooth MGMT component where a slab-use-after-free occurs during the cleanup of an advertising monitor addition failure. The function hci add adv monitor publish...

CVE-2026-74534: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: fix refcounting of isoconn isoconndel and isochandel have a race that results to double-put of isoconn: Task hdev-workqueue Task 2 isoconndel isochandel isoconnholdunlesszero isoconnlock isoconnlock conn-sk = NULL...

PT-2026-72986

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists between the iso conn del and iso chan del functions in the Bluetooth ISO implementation. This race can lead to a double-put of the iso conn reference count,...

CVE-2026-74303: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciqca: fix NULL pointer dereference in qcadmphdr for non-serdev device hu-serdev is NULL for hciuart attached via non-serdev paths, but qcadmphdr unconditionally dereferences hu-serdev-dev.driver-name, causing a NULL...

PT-2026-72984

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Bluetooth component where the btintel diagnostics function accesses tlv-val0 without verifying if the diagnostics VSE Vendor Specific Element is sufficiently long ...

CVE-2026-74532: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintel: Validate length before parsing diagnostics TLV btinteldiagnostics accesses tlv-val0 without first validating that the diagnostics VSE is long enough to contain that field, so may cause reading data beyond the...

PT-2026-72191

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Bluetooth component where the rtlbt parse firmware function fails to properly validate firmware patch bounds. When processing a malformed firmware patch shorter th...

CVE-2026-74508: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: HIDP: reject frames without a transaction header hidprecvctrlframe and hidprecvintrframe read skb-data0 before checking that the L2CAP SDU contains a transaction header. A connected HIDP peer can send an empty basic-mo...

Linux Distros Unpatched Vulnerability : CVE-2026-74539

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: ISO: lock sk in isosockgetname Accessing isopisk-conn requires locksock, which is not held here. Fix by adding the lock/release. CVE-2026-74539 Note...

Linux Distros Unpatched Vulnerability : CVE-2026-74302

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: hcicore: Fix UAF in hciunregisterdev hciunregisterdev does not disable cmdtimer and ncmdtimer before the hcidev structure is freed. If a timeout fire...

Linux Distros Unpatched Vulnerability : CVE-2026-74534

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: ISO: fix refcounting of isoconn isoconndel and isochandel have a race that results to double-put of isoconn: Task hdev-workqueue Task 2 isoconndel...

CVE-2026-74530: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: hold conn in hciconnectbigsync callback There is theoretical UAF if the conn is freed while the hcisync task is running. Hold refcount to avoid that. Handle NULL hcon, return 0 + do nothing to match the previo...

Linux Distros Unpatched Vulnerability : CVE-2026-74530

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: hcisync: hold conn in hciconnectbigsync callback There is theoretical UAF if the conn is freed while the hcisync task is running. Hold refcount to...

PT-2026-72981

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A Use-After-Free UAF condition exists in the Bluetooth component. This occurs when the conn object is freed while the hci sync task is still running, specifically within the hci connect ...

CVE-2026-74538: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: lock sk in isoconnectind Accessing isopisk-conn requires locksock, which is not taken in the "ev3" part of isoconnectind. It may also be NULL if socket has transitioned away from the LISTEN/CONNECT states before...

CVE-2026-72337: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: 6lowpan: avoid untracked enable work lowpanenableset allocates a temporary work item and schedules doenableset on systemwq, then returns to debugfs. The debugfs active operation has ended at that point, but the worker...

PT-2026-72525

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the Bluetooth 6LoWPAN implementation. The function lowpan enable set allocates a temporary work item and schedules do enable set on the system workqueue system...

Linux Distros Unpatched Vulnerability : CVE-2026-74538

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: ISO: lock sk in isoconnectind Accessing isopisk-conn requires locksock, which is not taken in the ev3 part of isoconnectind. It may also be NULL if...