A flaw use-after-free in function... CVE-2021-3640
6.9
AV
AC
AU
C
I
A
发布：
2022-03-03
修订：
2023-11-07
A flaw use-after-free in function sco_sock_sendmsg() of the Linux kernel HCI subsystem was found in the way user calls ioct UFFDIO_REGISTER or other way triggers race condition of the call sco_conn_del() together with the call sco_sock_sendmsg() with the expected controllable faulting memory page. A privileged local user could use this flaw to crash the system or escalate their privileges on the system.
漏洞利用/PoC
暂无可用Exp或PoC
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