A use-after-free flaw was found in the io_uring in Linux kernel, where a local attacker with a user privilege could cause a denial of service problem on the system The issue results from the lack of validating the existence of an object prior to performing operations on the object by not incrementing the file reference counter while in use. The highest threat from this vulnerability is to data integrity, confidentiality and system availability.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2021-02-23T16:36:29

Updated: 2024-08-03T17:30:07.498Z

Reserved: 2020-12-17T00:00:00

Link: CVE-2021-20226

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2021-02-23T17:15:13.660

Modified: 2023-07-28T17:12:34.983

Link: CVE-2021-20226

cve-icon Redhat

Severity : Important

Publid Date: 2021-02-04T00:00:00Z

Links: CVE-2021-20226 - Bugzilla