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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Affected Vendors & Products
References
History
No history.
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Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2024-08-03T17:01:07.744Z
Reserved: 2021-07-09T00:00:00
Link: CVE-2021-3640
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No data.
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Status : Modified
Published: 2022-03-03T23:15:08.197
Modified: 2024-11-21T06:22:03.073
Link: CVE-2021-3640
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