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CVE-2023-5447

Use-After-Free in Service for Hardware Support App for Fingerprint Driver

MEDIUM
5.5
CVSS Score
Published: May 11, 2024 at 02:41 AM UTC
Updated: June 17, 2026 at 06:48 AM UTC
1 product affected across 1 vendorFingerprint Driver

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

Missing lock check in SynHsaService may create a use-after-free condition which causes abnormal termination of the service, resulting in denial of service for the Synaptics Hardware Support App.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Fingerprint Driver· Synaptics
60%
6.0.0.1105 ≤ v < 6.0.64.11056.0.0.1136 ≤ v < 6.0.39.11366.0.0.11056.0.0.1136
Affected range stops below 6.0.39.1136, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.0.64.1105, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: [email protected]
https://www.synaptics.com/sites/default/files/2023-10/fingerprint-driver-HSAService-security-brief-2023-10-13.pdf

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMSynaptics
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-414CWE-416

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