Medium severity5.3NVD Advisory· Published May 3, 2022· Updated Jun 17, 2026
CVE-2021-22556
CVE-2021-22556
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- Range: >=4.1
- Google LLC/Fuchsia Kernelv5Range: unspecified
Patches
Vulnerability mechanics
References
2- fuchsia-review.googlesource.com/c/fuchsia/+/570881nvdIssue TrackingPatchThird Party Advisory
- fuchsia.dev/whats-new/release-notes/f4-1nvdRelease NotesVendor Advisory
News mentions
0No linked articles in our index yet.