A vulnerability, which was classified as critical, has been found in Linux Kernel. Affected by this issue is the function del_timer of the file drivers/isdn/mISDN/l1oip_core.c of the component Bluetooth. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211088.
https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html
https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html