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Medium · 5.3 CVE-2021-22556 EUVD-2021-9697GHSA-cgfp-g9xr-gj33

Integer Overflow in Fuchsia Kernel

Published May 3, 2022 · Updated Apr 21, 2025 · Assigned by Google

Description

The Security Team discovered an integer overflow bug that allows an attacker with code execution to issue memory cache invalidation operations on pages that they don’t own, allowing them to control kernel memory from userspace. We recommend upgrading to kernel version 4.1 or beyond.

Affected products

VendorProductAffectedFixed
Google Fuchsia Kernel unspecified – < 4.1 4.1

References