CVE-2021-1905: Qualcomm Multiple Chipsets Use-After-Free Vulnerability

High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2021-11-03. EPSS: 1.5% chance of exploitation in the next 30 days.

Possible use after free due to improper handling of memory mapping of multiple processes simultaneously. in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

Affected products

  • Qualcomm APQ8009 Firmware: affected versions not specified
  • Qualcomm APQ8009W Firmware: affected versions not specified
  • Qualcomm APQ8017 Firmware: affected versions not specified
  • Qualcomm APQ8053 Firmware: affected versions not specified
  • Qualcomm APQ8064AU Firmware: affected versions not specified
  • Qualcomm APQ8096AU Firmware: affected versions not specified
  • Qualcomm AQT1000 Firmware: affected versions not specified
  • Qualcomm AR8031 Firmware: affected versions not specified
  • Qualcomm AR8035 Firmware: affected versions not specified
  • Qualcomm AR8151 Firmware: affected versions not specified
  • Qualcomm CSRA6620 Firmware: affected versions not specified
  • Qualcomm CSRA6640 Firmware: affected versions not specified
  • Qualcomm FSM10055 Firmware: affected versions not specified
  • Qualcomm FSM10056 Firmware: affected versions not specified
  • Qualcomm MDM9206 Firmware: affected versions not specified
  • Qualcomm MDM9607 Firmware: affected versions not specified
  • Qualcomm MDM9626 Firmware: affected versions not specified
  • Qualcomm MDM9628 Firmware: affected versions not specified
  • Qualcomm MDM9650 Firmware: affected versions not specified
  • Qualcomm MSM8909W Firmware: affected versions not specified
  • Qualcomm MSM8917 Firmware: affected versions not specified
  • Qualcomm MSM8953 Firmware: affected versions not specified
  • Qualcomm MSM8996AU Firmware: affected versions not specified
  • Qualcomm PM215 Firmware: affected versions not specified
  • Qualcomm PM3003A Firmware: affected versions not specified
  • and 371 more

Published 2021-05-07. Last modified 2026-06-17.