PoC Index85,100 CVEs with PoCs

CVE-2021-3640

HIGH 7.0EPSS 0.4%

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.

Affected
kernel
CVSS v3.1 NVD
7.0 HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0 NVD
6.9 MEDIUMAV:L/AC:M/Au:N/C:C/I:C/A:C
EPSS
0.37% chance of exploitation in the next 30 days, 29th percentile
Published
2022-03-03
Updated
2024-08-03

Proof-of-concept exploits (1)

Security advisories

References