CVE-2023-33053

Kernel memory corruption via malformed firmware metadata

Published Dec 5, 2023 · Updated Dec 2, 2024

Memory corruption in Qualcomm Snapdragon kernel firmware parsing allows local users to compromise confidentiality, integrity, and availability. The kernel parses attacker-replaced firmware metadata without properly validating an array index, corrupting memory when a driver loads the file. Exploitation requires local ability to replace firmware files and trigger the associated driver; successful corruption can expose or alter data or interrupt the system.

CVSS severity8.4
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 kernel firmware parsing allows local users to compromise confidentiality, integrity, and availability. The kernel parses attacker-replaced firmware metadata without properly validating an array index, corrupting memory when a driver loads the file. Exploitation requires local ability to replace firmware files and trigger the associated driver; successful corruption can expose or alter data or interrupt the system.

The record

CVE
CVE-2023-33053
Published
Dec 5, 2023
Updated
Dec 2, 2024
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-129, T1068
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 5, 2023CVE publishedPublication date reported by the CVE source.
  2. Dec 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=CSR8811
  2. Affected versionversion=FastConnect 6700
  3. Affected versionversion=FastConnect 6900
  4. Affected versionversion=FastConnect 7800
  5. Affected versionversion=Immersive Home 214 Platform
  6. Affected versionversion=Immersive Home 216 Platform
  7. Affected versionversion=Immersive Home 316 Platform
  8. Affected versionversion=Immersive Home 318 Platform
  9. Affected versionversion=Immersive Home 3210 Platform
  10. Affected versionversion=Immersive Home 326 Platform
  11. Affected versionversion=IPQ5010
  12. Affected versionversion=IPQ5028
  13. Affected versionversion=IPQ5332
  14. Affected versionversion=IPQ6000
  15. Affected versionversion=IPQ6010
  16. Affected versionversion=IPQ6018
  17. Affected versionversion=IPQ6028
  18. Affected versionversion=IPQ8070A
  19. Affected versionversion=IPQ8071A
  20. Affected versionversion=IPQ8072A
  21. Affected versionversion=IPQ8074A
  22. Affected versionversion=IPQ8076
  23. Affected versionversion=IPQ8076A
  24. Affected versionversion=IPQ8078
  25. Affected versionversion=IPQ8078A
  26. Affected versionversion=IPQ8173
  27. Affected versionversion=IPQ8174
  28. Affected versionversion=IPQ9008
  29. Affected versionversion=IPQ9554
  30. Affected versionversion=IPQ9570
  31. Affected versionversion=IPQ9574
  32. Affected versionversion=QAM8255P
  33. Affected versionversion=QAM8295P
  34. Affected versionversion=QAM8650P
  35. Affected versionversion=QAM8775P
  36. Affected versionversion=QCA0000
  37. Affected versionversion=QCA4024
  38. Affected versionversion=QCA6174A
  39. Affected versionversion=QCA6574
  40. Affected versionversion=QCA6574A
  41. Affected versionversion=QCA6574AU
  42. Affected versionversion=QCA6595
  43. Affected versionversion=QCA6595AU
  44. Affected versionversion=QCA6696
  45. Affected versionversion=QCA6698AQ
  46. Affected versionversion=QCA6797AQ
  47. Affected versionversion=QCA8075
  48. Affected versionversion=QCA8081
  49. Affected versionversion=QCA8082
  50. Affected versionversion=QCA8084
  51. Affected versionversion=QCA8085
  52. Affected versionversion=QCA8386
  53. Affected versionversion=QCA9377
  54. Affected versionversion=QCA9888
  55. Affected versionversion=QCA9889
  56. Affected versionversion=QCF8000
  57. Affected versionversion=QCF8001
  58. Affected versionversion=QCM6490
  59. Affected versionversion=QCN5022
  60. Affected versionversion=QCN5024
  61. Affected versionversion=QCN5052
  62. Affected versionversion=QCN5122
  63. Affected versionversion=QCN5124
  64. Affected versionversion=QCN5152
  65. Affected versionversion=QCN5154
  66. Affected versionversion=QCN5164
  67. Affected versionversion=QCN6023
  68. Affected versionversion=QCN6024
  69. Affected versionversion=QCN6112
  70. Affected versionversion=QCN6122
  71. Affected versionversion=QCN6132
  72. Affected versionversion=QCN9000
  73. Affected versionversion=QCN9012
  74. Affected versionversion=QCN9013
  75. Affected versionversion=QCN9022
  76. Affected versionversion=QCN9024
  77. Affected versionversion=QCN9070
  78. Affected versionversion=QCN9072
  79. Affected versionversion=QCN9074
  80. Affected versionversion=QCN9100
  81. Affected versionversion=QCN9274
  82. Affected versionversion=QCS6490
  83. Affected versionversion=Qualcomm Video Collaboration VC3 Platform
  84. Affected versionversion=SA4150P
  85. Affected versionversion=SA4155P
  86. Affected versionversion=SA6145P
  87. Affected versionversion=SA6150P
  88. Affected versionversion=SA6155P
  89. Affected versionversion=SA8145P
  90. Affected versionversion=SA8150P
  91. Affected versionversion=SA8155P
  92. Affected versionversion=SA8195P
  93. Affected versionversion=SA8255P
  94. Affected versionversion=SA8295P
  95. Affected versionversion=SA8770P
  96. Affected versionversion=SA8775P
  97. Affected versionversion=SA9000P
  98. Affected versionversion=SDX55
  99. Affected versionversion=SDX65M
  100. Affected versionversion=Snapdragon 8 Gen 1 Mobile Platform
  101. Affected versionversion=Snapdragon Auto 5G Modem-RF
  102. Affected versionversion=Snapdragon W5+ Gen 1 Wearable Platform
  103. Affected versionversion=Snapdragon X12 LTE Modem
  104. Affected versionversion=Snapdragon X65 5G Modem-RF System
  105. Affected versionversion=SW5100
  106. Affected versionversion=SW5100P
  107. Affected versionversion=WCD9335
  108. Affected versionversion=WCD9370
  109. Affected versionversion=WCD9375
  110. Affected versionversion=WCD9380
  111. Affected versionversion=WCD9385
  112. Affected versionversion=WCN3980
  113. Affected versionversion=WCN3988
  114. Affected versionversion=WSA8830
  115. Affected versionversion=WSA8835

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Qualcomm · Snapdragonversion=CSR8811; version=FastConnect 6700; version=FastConnect 6900; version=FastConnect 7800; version=Immersive Home 214 Platform; version=Immersive Home 216 Platform; version=Immersive Home 316 Platform; version=Immersive Home 318 Platform; version=Immersive Home 3210 Platform; version=Immersive Home 326 Platform; version=IPQ5010; version=IPQ5028; version=IPQ5332; version=IPQ6000; version=IPQ6010; version=IPQ6018; version=IPQ6028; version=IPQ8070A; version=IPQ8071A; version=IPQ8072A; version=IPQ8074A; version=IPQ8076; version=IPQ8076A; version=IPQ8078; version=IPQ8078A; version=IPQ8173; version=IPQ8174; version=IPQ9008; version=IPQ9554; version=IPQ9570; version=IPQ9574; version=QAM8255P; version=QAM8295P; version=QAM8650P; version=QAM8775P; version=QCA0000; version=QCA4024; version=QCA6174A; version=QCA6574; version=QCA6574A; version=QCA6574AU; version=QCA6595; version=QCA6595AU; version=QCA6696; version=QCA6698AQ; version=QCA6797AQ; version=QCA8075; version=QCA8081; version=QCA8082; version=QCA8084; version=QCA8085; version=QCA8386; version=QCA9377; version=QCA9888; version=QCA9889; version=QCF8000; version=QCF8001; version=QCM6490; version=QCN5022; version=QCN5024; version=QCN5052; version=QCN5122; version=QCN5124; version=QCN5152; version=QCN5154; version=QCN5164; version=QCN6023; version=QCN6024; version=QCN6112; version=QCN6122; version=QCN6132; version=QCN9000; version=QCN9012; version=QCN9013; version=QCN9022; version=QCN9024; version=QCN9070; version=QCN9072; version=QCN9074; version=QCN9100; version=QCN9274; version=QCS6490; version=Qualcomm Video Collaboration VC3 Platform; version=SA4150P; version=SA4155P; version=SA6145P; version=SA6150P; version=SA6155P; version=SA8145P; version=SA8150P; version=SA8155P; version=SA8195P; version=SA8255P; version=SA8295P; version=SA8770P; version=SA8775P; version=SA9000P; version=SDX55; version=SDX65M; version=Snapdragon 8 Gen 1 Mobile Platform; version=Snapdragon Auto 5G Modem-RF; version=Snapdragon W5+ Gen 1 Wearable Platform; version=Snapdragon X12 LTE Modem; version=Snapdragon X65 5G Modem-RF System; version=SW5100; version=SW5100P; version=WCD9335; version=WCD9370; version=WCD9375; version=WCD9380; version=WCD9385; version=WCN3980; version=WCN3988; version=WSA8830; version=WSA8835

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-129Improper Validation of Array Index
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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