CVE-2022-40522

Memory corruption via double-freed hyp-assign state

Published Jun 6, 2023 · Updated Aug 3, 2024

A double free in Qualcomm chipset Linux Networking firmware allows local users to corrupt memory while processing a hypervisor assignment. The TZ Firmware networking path frees allocation state twice while handling the hyp-assign operation, corrupting memory-management state. Local execution requires no privileges or user interaction; Qualcomm has not disclosed whether exploitation causes a crash or code execution.

CVSS severity8.4
High
EPSS probability0.12%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

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Summary

What happened

A double free in Qualcomm chipset Linux Networking firmware allows local users to corrupt memory while processing a hypervisor assignment. The TZ Firmware networking path frees allocation state twice while handling the hyp-assign operation, corrupting memory-management state. Local execution requires no privileges or user interaction; Qualcomm has not disclosed whether exploitation causes a crash or code execution.

The record

CVE
CVE-2022-40522
Published
Jun 6, 2023
Updated
Aug 3, 2024
Vendor
Qualcomm
Product
SA8155P Firmware
Classifications
CWE-415
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 6, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=*

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Qualcomm · SA8155P Firmwareversion=0 <=*
Qualcomm · QCN9074 Firmwareversion=0 <=*
Qualcomm · SA8155 Firmwareversion=0 <=*
Qualcomm · QCA8386 Firmwareversion=0 <=*
Qualcomm · QCA8072 Firmwareversion=0 <=*
Qualcomm · IPQ6000 Firmwareversion=0 <=*
Qualcomm · Qualcomm QCA6595AU Firmwareversion=0 <=*
Qualcomm · QCN5052 Firmwareversion=0 <=*
Qualcomm · CSR8811 Firmwareversion=0 <=*
Qualcomm · QCA8084 Firmwareversion=0 <=*
Qualcomm · WSA8810 Firmwareversion=0 <=*
Qualcomm · IPQ6010 Firmwareversion=0 <=*
Qualcomm · SA6150P Firmwareversion=0 <=*
Qualcomm · QCA8081 Firmwareversion=0 <=*
Qualcomm · SA8195P Firmwareversion=0 <=*
Qualcomm · QCN5022 Firmwareversion=0 <=*
Qualcomm · QCN9022 Firmwareversion=0 <=*
Qualcomm · IPQ6028 Firmwareversion=0 <=*
Qualcomm · QCN9274 Firmwareversion=0 <=*
Qualcomm · Snapdragonversion=CSR8811; version=FastConnect 6200; version=IPQ6000; version=IPQ6005; version=IPQ6010; version=IPQ6018; version=IPQ6028; version=IPQ9008; version=IPQ9574; version=QCA4024; version=QCA6574A; version=QCA6574AU; version=QCA6595AU; version=QCA6696; version=QCA8072; version=QCA8075; version=QCA8081; version=QCA8082; version=QCA8084; version=QCA8085; version=QCA8386; version=QCN5021; version=QCN5022; version=QCN5052; version=QCN5121; version=QCN5122; version=QCN5152; version=QCN6023; version=QCN6024; version=QCN9000; version=QCN9022; version=QCN9024; version=QCN9070; version=QCN9072; version=QCN9074; version=QCN9274; version=SA6145P; version=SA6150P; version=SA6155; version=SA6155P; version=SA8145P; version=SA8150P; version=SA8155; version=SA8155P; version=SA8195P; version=SM7250P; version=Snapdragon 765 5G Mobile Platform (SM7250-AA); version=Snapdragon 765G 5G Mobile Platform (SM7250-AB); version=Snapdragon 768G 5G Mobile Platform (SM7250-AC); version=WCD9380; version=WCD9385; version=WSA8810; version=WSA8815
Qualcomm · SA6155P Firmwareversion=0 <=*
Qualcomm · QCN5021 Firmwareversion=0 <=*
Qualcomm · SA8145P Firmwareversion=0 <=*
Qualcomm · SA8150P Firmwareversion=0 <=*
Qualcomm · Qualcomm SM7250P Firmwareversion=0 <=*
Qualcomm · IPQ6018 Firmwareversion=0 <=*
Qualcomm · Qualcomm IPQ6005 Firmwareversion=0 <=*
Qualcomm · QCA6574AU Firmwareversion=0 <=*
Qualcomm · WCD9380 Firmwareversion=0 <=*
Qualcomm · QCA8085 Firmwareversion=0 <=*
Qualcomm · Qualcomm QCA6574A Firmwareversion=0 <=*
Qualcomm · QCN5152 Firmwareversion=0 <=*
Qualcomm · QCN6024 Firmwareversion=0 <=*
Qualcomm · IPQ9574 Firmwareversion=0 <=*
Qualcomm · SA6145P Firmwareversion=0 <=*
Qualcomm · QCN9070 Firmwareversion=0 <=*
Qualcomm · FastConnect 6200 Firmwareversion=0 <=*
Qualcomm · QCA4024 Firmwareversion=0 <=*
Qualcomm · QCN9024 Firmwareversion=0 <=*
Qualcomm · QCN9000 Firmwareversion=0 <=*
Qualcomm · SA6155 Firmwareversion=0 <=*
Qualcomm · QCN6023 Firmwareversion=0 <=*
Qualcomm · QCN5121 Firmwareversion=0 <=*
Qualcomm · WCD9385 Firmwareversion=0 <=*
Qualcomm · QCA8075 Firmwareversion=0 <=*
Qualcomm · QCA8082 Firmwareversion=0 <=*
Qualcomm · IPQ9008 Firmwareversion=0 <=*
Qualcomm · QCN5122 Firmwareversion=0 <=*
Qualcomm · QCA6696 Firmwareversion=0 <=*
Qualcomm · WSA8815 Firmwareversion=0 <=*
Qualcomm · QCN9072 Firmwareversion=0 <=*

Published CVSS scores

8.4Qualcomm, Inc.CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.8NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-415Double Free

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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