CVE-2021-3640 Detail
This vulnerability is currently awaiting analysis.
Description
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.
Severity
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-416 | Use After Free | Red Hat, Inc. |
| CWE-362 | Concurrent Execution using Shared Resource with Improper Synchronization (‘Race Condition’) | Red Hat, Inc. |
Change History
0 change records found show changes
Quick Info
CVE Dictionary Entry:
CVE-2021-3640
NVD Published Date:
03/03/2022
NVD Last Modified:
03/04/2022
Source:
Red Hat, Inc.