CVE-2023-1901

The bluetooth HCI host layer logic not clearing a global reference to a semaphore after synchronously sending HCI commands may allow a malicious HCI Controller to cause the use of a dangling reference in the host layer, leading to a crash DoS or potential RCE on the Host layer...

Important: kernel-livepatch-4.14.231-173.361

Issue Overview: A use-after-free flaw was found in hcisendacl in the bluetooth host controller interface HCI in Linux kernel, where a local attacker with an access rights could cause a denial of service problem on the system The issue results from the object hchan, freed in...