CVE-2022-1786

CVE Details

Release Date:

2022-06-02

Description

A use-after-free flaw was found in the Linux kernels io_uring subsystem in the way a user sets up a ring with IORING_SETUP_IOPOLL with more than one task completing submissions on this ring. This flaw allows a local user to crash or escalate their privileges on the system.

See more information about CVE-2022-1786 from MITRE CVE dictionary and NIST NVD

CVSS v3.0 metrics

NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score:	7.8	Base Metrics:	AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Access Vector:	Local network	Attack Complexity:	Low
Privileges Required:	Low	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	High
Integrity Impact:	High	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (kernel-uek)	ELSA-2022-9425	2022-05-24
Oracle Linux version 7 (kernel-uek-container)	ELSA-2022-9426	2022-05-24
Oracle Linux version 8 (kernel-uek)	ELSA-2022-9425	2022-05-24
Oracle Linux version 8 (kernel-uek-container)	ELSA-2022-9426	2022-05-24

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team