Qualcomm · Multiple Chipsets
CVE-2021-1906
Qualcomm Multiple Chipsets Detection of Error Condition Without Action Vulnerability
What it is
Improper handling of address deregistration on failure can lead to new GPU address allocation failure. in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
CISA: Multiple Qualcomm chipsets contain a detection of error condition without action vulnerability when improper handling of address deregistration on failure can lead to new GPU address allocation failure.
What to do
Apply updates per vendor instructions.
Deadline for US federal agencies: November 17, 2021
More exploited flaws from Qualcomm
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Mar 3, 2026 | Memory Corruption | Multiple Chipsets | High 7.8 | 1.3% |
| Jun 3, 2025 | Incorrect Authorization | Multiple Chipsets | High 8.6 | 0.8% |
| Jun 3, 2025 | Incorrect Authorization | Multiple Chipsets | High 8.6 | 0.5% |
| Jun 3, 2025 | Use-After-Free | Multiple Chipsets | High 7.5 | 1.1% |
| Oct 8, 2024 | Multiple Chipsets Use-After-Free | Multiple Chipsets | High 7.8 | 0.7% |
| Dec 5, 2023 | Use-After-Free | Multiple Chipsets | High 8.4 | 0.4% |
| Dec 5, 2023 | Use-After-Free | Multiple Chipsets | High 7.8 | 0.7% |
| Dec 5, 2023 | Use of Out-of-Range Pointer Offset | Multiple Chipsets | High 8.4 | 0.8% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.