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Oracle Linux: CVE-2021-3640: ELSA-2022-8267: kernel security, bug fix, and enhancement update (MODERATE) (Multiple Advisories)

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Oracle Linux: CVE-2021-3640: ELSA-2022-8267: kernel security, bug fix, and enhancement update (MODERATE) (Multiple Advisories)

Severity
6
CVSS
(AV:L/AC:L/Au:M/C:C/I:C/A:C)
Published
07/18/2021
Created
02/18/2022
Added
02/15/2022
Modified
12/06/2024

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.

Solution(s)

  • oracle-linux-upgrade-kernel

References

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