CVE-2021-47040

kernel: io_uring: fix overflows checks in provide buffers

Loading…

Severity

Moderate

Red Hat Product Security

7.3

CVSS 3.1

Review impact separately from score.

Published · February 28, 2024

Updated · August 5, 2026

Description

A flaw was found in the Linux Kernel, which may lead to overflow and sign extension problems in io_provide_buffers_prep().

Statement

Red Hat Enterprise Linux 8 and 9 are not affected by this vulnerability.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H

CWE-121 · Stack-based Buffer Overflow