CVE-2026-74530

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...

CVE-2026-74531

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciconn: hold conn reference in abortconnsync There is theoretical UAF if the conn is freed while the hcisync task is running. Hold refcount to avoid that...

CVE-2026-74509

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Fix advertising data UAFs hcifindadvinstance returns an advinfo pointer that is valid only while hdev-lock is held. The advertising command-sync paths perform instance lookups without that lock and, in some...

UBUNTU-CVE-2026-74530

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...

CVE-2026-74530

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...

CVE-2026-74509

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Fix advertising data UAFs hcifindadvinstance returns an advinfo pointer that is valid only while hdev-lock is held. The advertising command-sync paths perform instance lookups without that lock and, in some...

CVE-2026-74528

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: hold conn in hcipastsync callback Avoids giving freed pointers to hciconnvalid, which kmalloc may have reused. Hold refcount to avoid that...

CVE-2026-74529

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: hold conn in hciconnectpasync callback There is theoretical UAF if the conn is freed while the hcisync task is running. Hold refcount to avoid that...

UBUNTU-CVE-2026-74509

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Fix advertising data UAFs hcifindadvinstance returns an advinfo pointer that is valid only while hdev-lock is held. The advertising command-sync paths perform instance lookups without that lock and, in some...

UBUNTU-CVE-2026-74529

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: hold conn in hciconnectpasync callback There is theoretical UAF if the conn is freed while the hcisync task is running. Hold refcount to avoid that...

UBUNTU-CVE-2026-74528

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: hold conn in hcipastsync callback Avoids giving freed pointers to hciconnvalid, which kmalloc may have reused. Hold refcount to avoid that...

CVE-2026-74530

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...

CVE-2026-74531 Bluetooth: hci_conn: hold conn reference in abort_conn_sync()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciconn: hold conn reference in abortconnsync There is theoretical UAF if the conn is freed while the hcisync task is running. Hold refcount to avoid that...

CVE-2026-74530

CVE-2026-74530 : Linux kernel Bluetooth vulnerability in the hci_sync path (hci_connect_big_sync) may allow a use-after-free if the conn is freed while the hci_sync task runs. The root cause is a potential UAF due to a conn lifecycle race; the fix holds a refcount to prevent use-after-free and ha...

EUVD-2026-59723

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...

CVE-2026-74530 Bluetooth: hci_sync: hold conn in hci_connect_big_sync() callback

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...

CVE-2026-74531 Bluetooth: hci_conn: hold conn reference in abort_conn_sync()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciconn: hold conn reference in abortconnsync There is theoretical UAF if the conn is freed while the hcisync task is running. Hold refcount to avoid that...

CVE-2026-74530

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...

CVE-2026-74530 Bluetooth: hci_sync: hold conn in hci_connect_big_sync() callback

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...

EUVD-2026-59722

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: hold conn in hciconnectpasync callback There is theoretical UAF if the conn is freed while the hcisync task is running. Hold refcount to avoid that...