TI-2022-00182 Aliases CVE-2022-0247 GHSA-hf4w-4cm7-39h3

Write access to VMO data through copy-on-write in Fuchsia

LOW 33CWE-732Published 2022-02-25 · Updated 2025-04-21

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: High
Impact type: —
Confidentiality · integrity · availability: High · High · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

An issue exists in Fuchsia where VMO data can be modified through access to copy-on-write snapshots. A local attacker could modify objects in the VMO that they do not have permission to. We recommend upgrading past commit d97c05d2301799ed585620a9c5c739d36e7b5d3d or any of the listed versions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00082 0th percentileScored 2026-11-07

Fix Fixed Fuchsia (Google LLC): 4.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Google	Fuchsia	before 4.1	4.1	Patch available	CNA

Fuchsia VendorGoogle Affected before 4.1 Fixed in 4.1 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:o:google:fuchsia::::::::	before 2022-01-03	Vulnerable	Google

cpe:2.3:o:google:fuchsia:*:*:*:*:*:*:*:* Versions before 2022-01-03 Vulnerable ·Google

Remediation

Fix · CNA Fuchsia (Google LLC) Fixed in 4.1

Timeline

2026-10-02 Threatist record created from CVE-2022-0247
2026-10-03 Alias added: GHSA-hf4w-4cm7-39h3

References

Patch 1

https://fuchsia.googlesource.com/fuchsia/+/d97c05d2301799ed585620a9c5c739d36e7b5d3d

TI-2022-00787 Illegal access to Kernel log in Fuchsia CVSS 3.1MEDIUM 5.5
TI-2024-09826 Identifiable Header Values In Fuchsia Leading To Tracking of The User CVSS 4.0MEDIUM 6.9
TI-2021-05515 Integer Overflow in Fuchsia Kernel CVSS 3.1HIGH 7.8
TI-2021-05520 Incorrect mapping of Executable bits in Fuchsia Kernel CVSS 4.0MEDIUM 5.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences