CVE-2021-3573 - CERT CVE
ID CVE-2021-3573
Sažetak 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.
Reference
CVSS
Base: 6.9
Impact: 10.0
Exploitability:3.4
Pristup
VektorSloženostAutentikacija
LOCAL MEDIUM NONE
Impact
PovjerljivostCjelovitostDostupnost
COMPLETE COMPLETE COMPLETE
CVSS vektor AV:L/AC:M/Au:N/C:C/I:C/A:C
Zadnje važnije ažuriranje 07-11-2023 - 03:38
Objavljeno 13-08-2021 - 14:15