CVE-2021-46909

kernel: PCI interrupt mapping cause oops

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Severity

Low

Red Hat Product Security

4.4

CVSS 3.1

Review impact separately from score.

Published · February 27, 2024

Updated · November 2, 2026

Description

A denial of service flaw was found in the ARM footbridge in the Linux Kernel. This issue may cause an oops if a PCI driver is loaded or bound after the kernel has initialized.

Statement

This vulnerability only affects unusual configurations of specific CPUs and affects the availability of only some system hardware. For those reasons, Red Hat considers the impact of this vulnerability to be Low.

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 · 4.4
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CWE-391 · DEPRECATED: Unchecked Error Condition