CVE-2023-43556

Hypervisor compromise via misaligned platform information

Published Jun 3, 2024 · Updated Aug 2, 2024

Memory corruption in the Qualcomm Hypervisor allows local users to compromise protected execution via misaligned platform information. The Hypervisor accepts improperly aligned platform information and performs a buffer operation that corrupts memory. Local execution on an affected Snapdragon platform is required; no privileges or user interaction are required, and exploitation crosses the hypervisor security boundary.

CVSS severity9.3
Critical
EPSS probability0.10%
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

Memory corruption in the Qualcomm Hypervisor allows local users to compromise protected execution via misaligned platform information. The Hypervisor accepts improperly aligned platform information and performs a buffer operation that corrupts memory. Local execution on an affected Snapdragon platform is required; no privileges or user interaction are required, and exploitation crosses the hypervisor security boundary.

The record

CVE
CVE-2023-43556
Published
Jun 3, 2024
Updated
Aug 2, 2024
Vendor
Qualcomm
Product
Qualcomm SM7315 Firmware
Classifications
CWE-120, T1068
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 3, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 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=*

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Qualcomm · Qualcomm SM7315 Firmwareversion=*
Qualcomm · SA9000P Firmwareversion=*
Qualcomm · Qualcomm QRB5165N Firmwareversion=*
Qualcomm · QSM8350 Firmwareversion=*
Qualcomm · QCS8250 Firmwareversion=*
Qualcomm · QCA6698AQ Firmwareversion=*
Qualcomm · SA8540P Firmwareversion=*
Qualcomm · Flight RB5 5G Platform Firmwareversion=*
Qualcomm · Qualcomm Snapdragon 4 Gen 2 Mobile Platform Firmwareversion=*
Qualcomm · Qualcomm WCD9375 Firmwareversion=*
Qualcomm · Qualcomm Video Collaboration VC5 Platform Firmwareversion=*
Qualcomm · WSA8810 Firmwareversion=*
Qualcomm · QCA8337 Firmwareversion=*
Qualcomm · QCA8081 Firmwareversion=*
Qualcomm · Qualcomm Snapdragon 778G 5G Mobile Platform Firmwareversion=*
Qualcomm · FastConnect 7800 Firmwareversion=*
Qualcomm · Qualcomm QCA6595 Firmwareversion=*
Qualcomm · QCM4490 Firmwareversion=*
Qualcomm · QCS7230 Firmwareversion=*
Qualcomm · Qualcomm SD888 Firmwareversion=*
Qualcomm · Snapdragon X65 5G Modem-RF System Firmwareversion=*
Qualcomm · QCM6490 Firmwareversion=*
Qualcomm · Qualcomm SM7325P Firmwareversion=*
Qualcomm · Snapdragonversion=AR8035; version=FastConnect 6700; version=FastConnect 6900; version=FastConnect 7800; version=Flight RB5 5G Platform; version=QAM8295P; version=QCA6391; version=QCA6574AU; version=QCA6595; version=QCA6696; version=QCA6698AQ; version=QCA8081; version=QCA8337; version=QCM4490; version=QCM5430; version=QCM6490; version=QCN6024; version=QCN9011; version=QCN9012; version=QCN9024; version=QCS4490; version=QCS5430; version=QCS6490; version=QCS7230; version=QCS8250; version=QRB5165M; version=QRB5165N; version=QSM8350; version=Qualcomm Video Collaboration VC3 Platform; version=Qualcomm Video Collaboration VC5 Platform; version=Robotics RB5 Platform; version=SA8295P; version=SA8540P; version=SA9000P; version=SD888; version=SDX57M; version=SM7315; version=SM7325P; version=Snapdragon 4 Gen 2 Mobile Platform; version=Snapdragon 778G 5G Mobile Platform; version=Snapdragon 778G+ 5G Mobile Platform (SM7325-AE); version=Snapdragon 780G 5G Mobile Platform; version=Snapdragon 782G Mobile Platform (SM7325-AF); version=Snapdragon 7c+ Gen 3 Compute; version=Snapdragon 888 5G Mobile Platform; version=Snapdragon 888+ 5G Mobile Platform (SM8350-AC); version=Snapdragon 8cx Gen 3 Compute Platform (SC8280XP-AB, BB); version=Snapdragon 8 Gen 1 Mobile Platform; version=Snapdragon 8+ Gen 1 Mobile Platform; version=Snapdragon AR2 Gen 1 Platform; version=Snapdragon X65 5G Modem-RF System; version=Snapdragon X70 Modem-RF System; version=SSG2115P; version=SSG2125P; version=SXR1230P; version=SXR2230P; version=WCD9370; version=WCD9375; version=WCD9380; version=WCD9385; version=WCN3950; version=WCN3988; version=WCN6740; version=WSA8810; version=WSA8815; version=WSA8830; version=WSA8832; version=WSA8835
Qualcomm · Qualcomm Snapdragon 8 Gen 1 Mobile Platform Firmwareversion=*
Qualcomm · QCS6490 Firmwareversion=*
Qualcomm · SA8295P Firmwareversion=*
Qualcomm · SXR1230P Firmwareversion=*
Qualcomm · Snapdragon X70 Modem-RF System Firmwareversion=*
Qualcomm · FastConnect 6700 Firmwareversion=*
Qualcomm · FastConnect 6900 Firmwareversion=*
Qualcomm · SSG2125P Firmwareversion=*
Qualcomm · QCS4490 Firmwareversion=*
Qualcomm · WCD9370 Firmwareversion=*
Qualcomm · Qualcomm QRB5165M Firmwareversion=*
Qualcomm · SSG2115P Firmwareversion=*
Qualcomm · QCM5430 Firmwareversion=*
Qualcomm · QCS5430 Firmwareversion=*
Qualcomm · WCN3988 Firmwareversion=*
Qualcomm · QAM8295P Firmwareversion=*
Qualcomm · QCA6574AU Firmwareversion=*
Qualcomm · WCD9380 Firmwareversion=*
Qualcomm · Qualcomm WCN6740 Firmwareversion=*
Qualcomm · QCN9012 Firmwareversion=*
Qualcomm · QCN6024 Firmwareversion=*
Qualcomm · SXR2230P Firmwareversion=*
Qualcomm · QCN9011 Firmwareversion=*
Qualcomm · Qualcomm Snapdragon AR2 Gen 1 Platform Firmwareversion=*
Qualcomm · Qualcomm Snapdragon 780G 5G Mobile Platform Firmwareversion=*
Qualcomm · AR8035 Firmwareversion=*
Qualcomm · QCN9024 Firmwareversion=*
Qualcomm · WCN3950 Firmwareversion=*
Qualcomm · WSA8830 Firmwareversion=*
Qualcomm · Qualcomm Snapdragon 888+ 5G Mobile Platform Firmwareversion=*
Qualcomm · QCA6391 Firmwareversion=*
Qualcomm · WCD9385 Firmwareversion=*
Qualcomm · WSA8835 Firmwareversion=*
Qualcomm · Qualcomm Video Collaboration VC3 Platform Firmwareversion=*
Qualcomm · WSA8832 Firmwareversion=*
Qualcomm · QCA6696 Firmwareversion=*
Qualcomm · WSA8815 Firmwareversion=*
Qualcomm · Robotics RB5 Platform Firmwareversion=*

Published CVSS scores

8.8NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
9.3Qualcomm, Inc.CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
T1068Exploitation for Privilege Escalation

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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