CVE Details

Release Date:2022-06-02


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

PlatformErrataRelease Date
Oracle Linux version 7 (kernel-uek)ELSA-2022-94252022-05-24
Oracle Linux version 7 (kernel-uek-container)ELSA-2022-94262022-05-24
Oracle Linux version 8 (kernel-uek)ELSA-2022-94252022-05-24
Oracle Linux version 8 (kernel-uek-container)ELSA-2022-94262022-05-24

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