What’s Vulnerable › Vulnerabilities

CVE-2023-21636: Improper Validation of Array Index in Linux

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-09-05 · updated 2026-06-17
• Weakness: CWE-129

Description

Memory Corruption due to improper validation of array index in Linux while updating adn record.

Affected products

• Qualcomm Aqt1000 Firmware: all versions
• Qualcomm Qca6390 Firmware: all versions
• Qualcomm Qca6391 Firmware: all versions
• Qualcomm Qca6420 Firmware: all versions
• Qualcomm Qca6426 Firmware: all versions
• Qualcomm Qca6430 Firmware: all versions
• Qualcomm Qca6436 Firmware: all versions
• Qualcomm Qca6574A Firmware: all versions
• Qualcomm Qca6574Au Firmware: all versions
• Qualcomm Qca6595Au Firmware: all versions
• Qualcomm Qca6696 Firmware: all versions
• Qualcomm Qcc5100 Firmware: all versions
• Qualcomm Sa515M Firmware: all versions
• Qualcomm Sa6145P Firmware: all versions
• Qualcomm Sa6150P Firmware: all versions
• Qualcomm Sa6155P Firmware: all versions
• Qualcomm Sa8145P Firmware: all versions
• Qualcomm Sa8150P Firmware: all versions
• Qualcomm Sa8155P Firmware: all versions
• Qualcomm Sa8195P Firmware: all versions
• Qualcomm Sd480 Firmware: all versions
• Qualcomm Sd695 Firmware: all versions
• Qualcomm Sd855 Firmware: all versions
• Qualcomm Sd865 5G Firmware: all versions
• Qualcomm Sd870 Firmware: all versions
• Qualcomm Sda429W Firmware: all versions
• Qualcomm Sdx55 Firmware: all versions
• Qualcomm Sdx55M Firmware: all versions
• Qualcomm Sdxr2 5G Firmware: all versions
• Qualcomm Sm4375 Firmware: all versions

References

• https://www.qualcomm.com/company/product-security/bulletins/september-2023-bulletin
• https://www.qualcomm.com/company/product-security/bulletins/september-2023-bulletin

Get alerted when CVE-2023-21636 or the next vulnerability affects your stack