CVE-2021-3640 in Kernel
Zusammenfassung (Englisch)
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.
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Reservieren
09.07.2021
Veröffentlichung
04.03.2022
Status
Bestätigt
Einträge
VulDB provides additional information and datapoints for this CVE:
| ID | Schwachstelle | CWE | Aus | Mas | CVE |
|---|---|---|---|---|---|
| 194173 | Linux Kernel HCI sco_sock_sendmsg Pufferüberlauf | 416 | Nicht definiert | Offizieller Fix | CVE-2021-3640 |