CVE Vulnerability

CVE-2021-22556

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.

4.6 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

7.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://fuchsia-review.googlesource.com/c/fuchsia/+/570881 Issue Tracking Patch
https://fuchsia.dev/whats-new/release-notes/f4-1 Release Notes Vendor Advisory
Configurations

Configuration 1

cpe:2.3:o:google:fuchsia:*:*:*:*:*:*:*:*
Information

Published : 2022-05-03 04:15

Updated : 2022-05-10 11:56

NVD link : CVE-2021-22556

Mitre link : CVE-2021-22556

Products Affected
No products.
CWE
CWE-190