CVE-2023-33055

Memory corruption via unchecked ADSP callback buffer copy

Published Nov 7, 2023 · Updated Dec 16, 2025

Memory corruption in Qualcomm Snapdragon audio drivers allows local users to corrupt memory through an ADSP callback. During the callback from the ADSP, the driver copies data without verifying that the destination buffer can hold it. Low-privilege local access is required, and Qualcomm has not disclosed whether exploitation causes code execution, data access, or a service interruption.

CVSS severity7.8
High
EPSS probability0.14%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Memory corruption in Qualcomm Snapdragon audio drivers allows local users to corrupt memory through an ADSP callback. During the callback from the ADSP, the driver copies data without verifying that the destination buffer can hold it. Low-privilege local access is required, and Qualcomm has not disclosed whether exploitation causes code execution, data access, or a service interruption.

The record

CVE
CVE-2023-33055
Published
Nov 7, 2023
Updated
Dec 16, 2025
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-120, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 7, 2023CVE publishedPublication date reported by the CVE source.
  2. Dec 16, 2025Record 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=AQT1000
  2. Affected versionversion=AR8035
  3. Affected versionversion=CSRA6620
  4. Affected versionversion=CSRA6640
  5. Affected versionversion=FastConnect 6200
  6. Affected versionversion=FastConnect 6700
  7. Affected versionversion=FastConnect 6800
  8. Affected versionversion=FastConnect 6900
  9. Affected versionversion=FastConnect 7800
  10. Affected versionversion=Flight RB5 5G Platform
  11. Affected versionversion=QAM8255P
  12. Affected versionversion=QAM8295P
  13. Affected versionversion=QAM8650P
  14. Affected versionversion=QAM8775P
  15. Affected versionversion=QCA6174A
  16. Affected versionversion=QCA6391
  17. Affected versionversion=QCA6420
  18. Affected versionversion=QCA6421
  19. Affected versionversion=QCA6426
  20. Affected versionversion=QCA6430
  21. Affected versionversion=QCA6431
  22. Affected versionversion=QCA6436
  23. Affected versionversion=QCA6574
  24. Affected versionversion=QCA6574A
  25. Affected versionversion=QCA6574AU
  26. Affected versionversion=QCA6595
  27. Affected versionversion=QCA6595AU
  28. Affected versionversion=QCA6696
  29. Affected versionversion=QCA6698AQ
  30. Affected versionversion=QCA6797AQ
  31. Affected versionversion=QCA8081
  32. Affected versionversion=QCA8337
  33. Affected versionversion=QCA9377
  34. Affected versionversion=QCC710
  35. Affected versionversion=QCM2290
  36. Affected versionversion=QCM4290
  37. Affected versionversion=QCM4325
  38. Affected versionversion=QCM6125
  39. Affected versionversion=QCM6490
  40. Affected versionversion=QCM8550
  41. Affected versionversion=QCN6224
  42. Affected versionversion=QCN6274
  43. Affected versionversion=QCN9011
  44. Affected versionversion=QCN9012
  45. Affected versionversion=QCS2290
  46. Affected versionversion=QCS410
  47. Affected versionversion=QCS4290
  48. Affected versionversion=QCS610
  49. Affected versionversion=QCS6125
  50. Affected versionversion=QCS6490
  51. Affected versionversion=QCS7230
  52. Affected versionversion=QCS8250
  53. Affected versionversion=QCS8550
  54. Affected versionversion=QFW7114
  55. Affected versionversion=QFW7124
  56. Affected versionversion=QRB5165M
  57. Affected versionversion=QRB5165N
  58. Affected versionversion=Qualcomm 215 Mobile Platform
  59. Affected versionversion=Qualcomm Video Collaboration VC1 Platform
  60. Affected versionversion=Qualcomm Video Collaboration VC3 Platform
  61. Affected versionversion=Qualcomm Video Collaboration VC5 Platform
  62. Affected versionversion=Robotics RB5 Platform
  63. Affected versionversion=SA4150P
  64. Affected versionversion=SA4155P
  65. Affected versionversion=SA6145P
  66. Affected versionversion=SA6150P
  67. Affected versionversion=SA6155P
  68. Affected versionversion=SA8145P
  69. Affected versionversion=SA8150P
  70. Affected versionversion=SA8155P
  71. Affected versionversion=SA8195P
  72. Affected versionversion=SA8255P
  73. Affected versionversion=SA8295P
  74. Affected versionversion=SD660
  75. Affected versionversion=SD855
  76. Affected versionversion=SD865 5G
  77. Affected versionversion=SD888
  78. Affected versionversion=SDX55
  79. Affected versionversion=SG4150P
  80. Affected versionversion=SG8275P
  81. Affected versionversion=SM4125
  82. Affected versionversion=SM7250P
  83. Affected versionversion=SM7315
  84. Affected versionversion=SM7325P
  85. Affected versionversion=SM8550P
  86. Affected versionversion=Smart Audio 400 Platform
  87. Affected versionversion=Snapdragon 439 Mobile Platform
  88. Affected versionversion=Snapdragon 460 Mobile Platform
  89. Affected versionversion=Snapdragon 480 5G Mobile Platform
  90. Affected versionversion=Snapdragon 480+ 5G Mobile Platform (SM4350-AC)
  91. Affected versionversion=Snapdragon 4 Gen 1 Mobile Platform
  92. Affected versionversion=Snapdragon 660 Mobile Platform
  93. Affected versionversion=Snapdragon 662 Mobile Platform
  94. Affected versionversion=Snapdragon 680 4G Mobile Platform
  95. Affected versionversion=Snapdragon 685 4G Mobile Platform (SM6225-AD)
  96. Affected versionversion=Snapdragon 690 5G Mobile Platform
  97. Affected versionversion=Snapdragon 695 5G Mobile Platform
  98. Affected versionversion=Snapdragon 750G 5G Mobile Platform
  99. Affected versionversion=Snapdragon 765 5G Mobile Platform (SM7250-AA)
  100. Affected versionversion=Snapdragon 765G 5G Mobile Platform (SM7250-AB)
  101. Affected versionversion=Snapdragon 768G 5G Mobile Platform (SM7250-AC)
  102. Affected versionversion=Snapdragon 778G 5G Mobile Platform
  103. Affected versionversion=Snapdragon 778G+ 5G Mobile Platform (SM7325-AE)
  104. Affected versionversion=Snapdragon 780G 5G Mobile Platform
  105. Affected versionversion=Snapdragon 782G Mobile Platform (SM7325-AF)
  106. Affected versionversion=Snapdragon 7c+ Gen 3 Compute
  107. Affected versionversion=Snapdragon 855+/860 Mobile Platform (SM8150-AC)
  108. Affected versionversion=Snapdragon 855 Mobile Platform
  109. Affected versionversion=Snapdragon 865 5G Mobile Platform
  110. Affected versionversion=Snapdragon 865+ 5G Mobile Platform (SM8250-AB)
  111. Affected versionversion=Snapdragon 870 5G Mobile Platform (SM8250-AC)
  112. Affected versionversion=Snapdragon 888 5G Mobile Platform
  113. Affected versionversion=Snapdragon 888+ 5G Mobile Platform (SM8350-AC)
  114. Affected versionversion=Snapdragon 8 Gen 2 Mobile Platform
  115. Affected versionversion=Snapdragon 8+ Gen 2 Mobile Platform
  116. Affected versionversion=Snapdragon Auto 5G Modem-RF
  117. Affected versionversion=Snapdragon W5+ Gen 1 Wearable Platform
  118. Affected versionversion=Snapdragon X12 LTE Modem
  119. Affected versionversion=Snapdragon X50 5G Modem-RF System
  120. Affected versionversion=Snapdragon X55 5G Modem-RF System
  121. Affected versionversion=Snapdragon X75 5G Modem-RF System
  122. Affected versionversion=Snapdragon XR2 5G Platform
  123. Affected versionversion=Snapdragon XR2+ Gen 1 Platform
  124. Affected versionversion=SW5100
  125. Affected versionversion=SW5100P
  126. Affected versionversion=SXR2130
  127. Affected versionversion=WCD9326
  128. Affected versionversion=WCD9335
  129. Affected versionversion=WCD9340
  130. Affected versionversion=WCD9341
  131. Affected versionversion=WCD9370
  132. Affected versionversion=WCD9375
  133. Affected versionversion=WCD9380
  134. Affected versionversion=WCD9385
  135. Affected versionversion=WCD9390
  136. Affected versionversion=WCD9395
  137. Affected versionversion=WCN3615
  138. Affected versionversion=WCN3660B
  139. Affected versionversion=WCN3680B
  140. Affected versionversion=WCN3910
  141. Affected versionversion=WCN3950
  142. Affected versionversion=WCN3980
  143. Affected versionversion=WCN3988
  144. Affected versionversion=WCN3990
  145. Affected versionversion=WCN6740
  146. Affected versionversion=WSA8810
  147. Affected versionversion=WSA8815
  148. Affected versionversion=WSA8830
  149. Affected versionversion=WSA8835
  150. Affected versionversion=WSA8840
  151. Affected versionversion=WSA8845
  152. Affected versionversion=WSA8845H

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Qualcomm · Snapdragonversion=AQT1000; version=AR8035; version=CSRA6620; version=CSRA6640; version=FastConnect 6200; version=FastConnect 6700; version=FastConnect 6800; version=FastConnect 6900; version=FastConnect 7800; version=Flight RB5 5G Platform; version=QAM8255P; version=QAM8295P; version=QAM8650P; version=QAM8775P; version=QCA6174A; version=QCA6391; version=QCA6420; version=QCA6421; version=QCA6426; version=QCA6430; version=QCA6431; version=QCA6436; version=QCA6574; version=QCA6574A; version=QCA6574AU; version=QCA6595; version=QCA6595AU; version=QCA6696; version=QCA6698AQ; version=QCA6797AQ; version=QCA8081; version=QCA8337; version=QCA9377; version=QCC710; version=QCM2290; version=QCM4290; version=QCM4325; version=QCM6125; version=QCM6490; version=QCM8550; version=QCN6224; version=QCN6274; version=QCN9011; version=QCN9012; version=QCS2290; version=QCS410; version=QCS4290; version=QCS610; version=QCS6125; version=QCS6490; version=QCS7230; version=QCS8250; version=QCS8550; version=QFW7114; version=QFW7124; version=QRB5165M; version=QRB5165N; version=Qualcomm 215 Mobile Platform; version=Qualcomm Video Collaboration VC1 Platform; version=Qualcomm Video Collaboration VC3 Platform; version=Qualcomm Video Collaboration VC5 Platform; version=Robotics RB5 Platform; version=SA4150P; version=SA4155P; version=SA6145P; version=SA6150P; version=SA6155P; version=SA8145P; version=SA8150P; version=SA8155P; version=SA8195P; version=SA8255P; version=SA8295P; version=SD660; version=SD855; version=SD865 5G; version=SD888; version=SDX55; version=SG4150P; version=SG8275P; version=SM4125; version=SM7250P; version=SM7315; version=SM7325P; version=SM8550P; version=Smart Audio 400 Platform; version=Snapdragon 439 Mobile Platform; version=Snapdragon 460 Mobile Platform; version=Snapdragon 480 5G Mobile Platform; version=Snapdragon 480+ 5G Mobile Platform (SM4350-AC); version=Snapdragon 4 Gen 1 Mobile Platform; version=Snapdragon 660 Mobile Platform; version=Snapdragon 662 Mobile Platform; version=Snapdragon 680 4G Mobile Platform; version=Snapdragon 685 4G Mobile Platform (SM6225-AD); version=Snapdragon 690 5G Mobile Platform; version=Snapdragon 695 5G Mobile Platform; version=Snapdragon 750G 5G Mobile Platform; 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=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 855+/860 Mobile Platform (SM8150-AC); version=Snapdragon 855 Mobile Platform; version=Snapdragon 865 5G Mobile Platform; version=Snapdragon 865+ 5G Mobile Platform (SM8250-AB); version=Snapdragon 870 5G Mobile Platform (SM8250-AC); version=Snapdragon 888 5G Mobile Platform; version=Snapdragon 888+ 5G Mobile Platform (SM8350-AC); version=Snapdragon 8 Gen 2 Mobile Platform; version=Snapdragon 8+ Gen 2 Mobile Platform; version=Snapdragon Auto 5G Modem-RF; version=Snapdragon W5+ Gen 1 Wearable Platform; version=Snapdragon X12 LTE Modem; version=Snapdragon X50 5G Modem-RF System; version=Snapdragon X55 5G Modem-RF System; version=Snapdragon X75 5G Modem-RF System; version=Snapdragon XR2 5G Platform; version=Snapdragon XR2+ Gen 1 Platform; version=SW5100; version=SW5100P; version=SXR2130; version=WCD9326; version=WCD9335; version=WCD9340; version=WCD9341; version=WCD9370; version=WCD9375; version=WCD9380; version=WCD9385; version=WCD9390; version=WCD9395; version=WCN3615; version=WCN3660B; version=WCN3680B; version=WCN3910; version=WCN3950; version=WCN3980; version=WCN3988; version=WCN3990; version=WCN6740; version=WSA8810; version=WSA8815; version=WSA8830; version=WSA8835; version=WSA8840; version=WSA8845; version=WSA8845H

Published CVSS scores

7.8Qualcomm, Inc.CVSS: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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
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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