Published: 10/03/2022 Updated: 15/03/2022

CVSS v2 Base Score: 4.9 | Impact Score: 6.9 | Exploitability Score: 3.9

CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8

VMScore: 436

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

A flaw was found in the io-workqueue implementation in the Linux kernel versions before 5.15-rc1. The kernel can panic when an improper cancellation operation triggers the submission of new io-uring operations during a shortage of free space. This flaw allows a local user with permissions to execute io-uring requests to possibly crash the system.

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linux linux kernel
fedoraproject fedora 35

A security issue was found in the io-workqueue implementation in the Linux kernel before version 515 The kernel can panic when an improper cancellation operation triggers the submission of new io-uring operations during a shortage of free space This allows a local user with permissions to execute io-uring requests to possible crash the system ...

NVD-CWE-noinfo https://bugzilla.redhat.com/show_bug.cgi?id=2026484 https://nvd.nist.gov https://security.archlinux.org/CVE-2021-4023

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CVE-2021-4023

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