CVE-2023-33117

Local memory corruption via freed audio buffer

Published Jan 2, 2024 · Updated Jun 18, 2025

Use-after-free in Qualcomm Snapdragon audio firmware allows local users to corrupt memory through an AVCS_LOAD_MODULE response. HLOS allocates a response payload buffer and copies data returned by the audio DSP after the buffer has been freed, corrupting host memory. Low-privileged local access is required; successful exploitation can corrupt HLOS memory and compromise the affected device.

CVSS severity7.8
High
EPSS probability0.11%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Use-after-free in Qualcomm Snapdragon audio firmware allows local users to corrupt memory through an AVCS_LOAD_MODULE response. HLOS allocates a response payload buffer and copies data returned by the audio DSP after the buffer has been freed, corrupting host memory. Low-privileged local access is required; successful exploitation can corrupt HLOS memory and compromise the affected device.

The record

CVE
CVE-2023-33117
Published
Jan 2, 2024
Updated
Jun 18, 2025
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-416
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 2, 2024CVE publishedPublication date reported by the CVE source.
  2. Jun 18, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

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

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Qualcomm · Snapdragonversion=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=QCA6421; version=QCA6426; 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=QCM6490; version=QCM8550; version=QCN6224; version=QCN6274; version=QCN9011; version=QCN9012; version=QCS2290; version=QCS410; version=QCS4290; version=QCS610; 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=SD865 5G; version=SD888; version=SG4150P; version=SG8275P; version=SM4125; version=SM7250P; version=SM7315; version=SM7325P; version=SM8550P; version=Smart Audio 400 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 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 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-416Use After 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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