SUSE CVE-2021-47038

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: avoid deadlock between hcidev-lock and socket lock Commit eab2404ba798 "Bluetooth: Add BTPHY socket option" added a dependency between socket lock and hcidev-lock that could lead to deadlock. It turns out that...

CVE-2021-47038

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: avoid deadlock between hcidev-lock and socket lock Commit eab2404ba798 "Bluetooth: Add BTPHY socket option" added a dependency between socket lock and hcidev-lock that could lead to deadlock. It turns out that...

CVE-2021-47038

CVE-2021-47038: Linux kernel Bluetooth deadlock fix. The vulnerability arose from a new dependency between socket lock and hci_dev->lock introduced by commit adding BT_PHY socket option, causing hci_conn_get_phy() to use hdev->lock while the caller holds other Bluetooth locks (possible circ...