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 |
Vektor | Složenost | Autentikacija |
LOCAL |
MEDIUM |
NONE |
|
Impact |
Povjerljivost | Cjelovitost | Dostupnost |
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 |