Buffer Over Read Vulnerability in Snapdragon Products by Qualcomm
CVE-2021-1974

7.5HIGH

Summary

A buffer over read vulnerability exists due to misalignment between the mapping and unmapping lengths of the IPA SMMU and WLAN SMMU. This affects various Snapdragon platforms, potentially exposing data through improper memory access. Ensuring systems using affected Snapdragon products are updated is crucial for maintaining optimal security.

Affected Version(s)

Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking AQT1000, AR8035, AR9380, CSR8811, CSRB31024, FSM10055, FSM10056, IPQ4018, IPQ4019, IPQ4028, IPQ4029, IPQ5010, IPQ5018, IPQ6000, IPQ6010, IPQ6018, IPQ6028, IPQ8064, IPQ8065, IPQ8068, IPQ8070, IPQ8070A, IPQ8071, IPQ8071A, IPQ8072, IPQ8072A, IPQ8074, IPQ8074A, IPQ8076, IPQ8076A, IPQ8078, IPQ8078A, IPQ8173, IPQ8174, PMP8074, QCA4024, QCA6175A, QCA6390, QCA6391, QCA6420, QCA6426, QCA6428, QCA6430, QCA6436, QCA6438, QCA6564, QCA6564A, QCA6564AU, QCA6574, QCA6574A, QCA6574AU, QCA6584AU, QCA6595, QCA6595AU, QCA6696, QCA7500, QCA8072, QCA8075, QCA8081, QCA8337, QCA9531, QCA9558, QCA9561, QCA9563, QCA9880, QCA9882, QCA9886, QCA9887, QCA9888, QCA9889, QCA9896, QCA9898, QCA9980, QCA9984, QCA9985, QCA9990, QCA9992, QCA9994, QCM2290, QCM4290, QCM6125, QCN5021, QCN5022, QCN5024, QCN5052, QCN5054, QCN5064, QCN5122, QCN5124, QCN5152, QCN5154, QCN5164, QCN5550, QCN6023, QCN6024, QCN9000, QCN9012, QCN9022, QCN9024, QCN9070, QCN9072, QCN9074, QCN9100, QCS2290, QCS410, QCS4290, QCS605, QCS610, QCS6125, QRB5165, QS ...[truncated*]

References

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.