CVE-2022-47521

kernel: a heap-based buffer overflow in drivers/net/wireless/microchip/wilc1000/cfg80211.c

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Severity

Important

Red Hat Product Security

7.8

CVSS 3.1

Review impact separately from score.

Published · December 18, 2022

Updated · November 21, 2025

Description

A heap-based buffer overflow flaw was found in the Linux kernel’s Atmel WILC1000 802.11 SoC driver. This flaw allows a local user to crash or potentially escalate their privileges on the system.

Statement

Atmel WILC1000 802.11 SoC not included (not supported in rhel* or Fedora).

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 · 7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer