AZL-6574

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AZL-6574

Summary: CVE-2021-3573 affecting package kernel for versions less than 5.10.78.1-1

Details: 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.

References: https://nvd.nist.gov/vuln/detail/CVE-2021-3573