← Back to CVE List

CVE-2021-3573

Published: 2021-08-13T14:15Z
Last Modified: 2024-11-21T06:21Z
Source: MITRE CVE List
License: MITRE-CVE-TOS
A use-after-free in function hci_sock_bound_ioctl() of the Linux kernel HCI subsystem was found in the way user calls ioct HCIUNBLOCKADDR or other way triggers race condition of the call hci_unregister_dev() together with one of the calls hci_sock_blacklist_add(), hci_sock_blacklist_del(), hci_get_conn_info(), hci_get_auth_info(). A privileged local user could use this flaw to crash the system or escalate their privileges on the system. This flaw affects the Linux kernel versions prior to 5.13-rc5. > MITRE Terms of Use apply – see LICENSE‑MITRE.txt