Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
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.
CVSS Information
N/A
Vulnerability Type
使用共享资源的并发执行不恰当同步问题(竞争条件)
Vulnerability Title
Linux kernel 资源管理错误漏洞
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel HCI subsystem存在资源管理错误漏洞，该漏洞源于HCI subsystem在用户断开蓝牙适配器或其他方式触发注销蓝牙设备事件时出现了一个漏洞。攻击者利用该漏洞使系统崩溃或升级他们在系统上的特权。
CVSS Information
N/A
Vulnerability Type
N/A