Background exploitation KEV catalog
CVE-2021-1906

Qualcomm Multiple Chipsets Detection of Error Condition Without Action Vulnerability

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,…

CheckOps priority index
3.7/10 Patch within 7 days
Severity6.2
Probability0.1
Exploitation2/5

Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.

EPSS · today 0.52% higher than 44.2% of CVEs
CVSS 3.1 6.2 AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:
Exploited for 1,826 days 03 Nov 2021
CISA due date 17 Nov 2021 for US federal agencies

Exploitation probability EPSS · FIRST

05010026 Sep05 Oct15 Oct24 Oct02 Nov
EPSS probability (%)Percentile among all CVEs

Exploitation signals 2 / 5

  • KEV catalog (CISA)03 Nov 2021
  • Exploited in EUVD (ENISA)03 Nov 2021
  • Used by ransomwareno
  • EPSS above 10 %0.52%
  • No account, over the networkno

What to do

Fix

Apply the vendor’s fix as soon as it is available.

CISA guidance: Apply updates per vendor instructions.

Meanwhile

Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.

Manufacturers (CRA)

Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained

Description ENISA EUVD

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

Affected products

Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon WearablesMultiple Chipsets
Affected versions
  • APQ8009, APQ8009W, APQ8017, APQ8053, APQ8064AU, APQ8096AU, AQT1000, AR8031, AR8035, AR8151, CSRA6620, CSRA6640, CSRB31024, FSM10055, FSM10056, MDM9150, MDM9206, MDM9250, MDM9607, MDM9626, MDM9628, MDM9650, MSM8909W, MSM8917, MSM8953, MSM8996AU, PM215, PM3003A, PM4125, PM4250, PM439, PM456, PM6125, PM6150, PM6150A, PM6150L, PM6250, PM6350, PM640A, PM640L, PM640P, PM660, PM660A, PM660L, PM670, PM670A, PM670L, PM7150A, PM7150L, PM7250, PM7250B, PM7350C, PM8004, PM8005, PM8008, PM8009, PM8150, PM8150A, PM8150B, PM8150C, PM8150L, PM8250, PM8350, PM8350B, PM8350BH, PM8350BHS, PM8350C, PM855, PM855A, PM855B, PM855L, PM855P, PM8909, PM8916, PM8937, PM8953, PM8998, PMC1000H, PMD9607, PMD9655, PMD9655AU, PME605, PMI632, PMI8937, PMI8952, PMI8998, PMK7350, PMK8002, PMK8003, PMK8350, PMM6155AU, PMM8155AU, PMM8195AU, PMM855AU, PMM8996AU, PMR525, PMR735A, PMR735B, PMX20, PMX24, PMX50, PMX55, QAT3514, QAT3516, QAT3518, QAT3519, QAT3522, QAT3550, QAT3555, QAT5515, QAT5516, QAT5522, QAT5533, QAT5568, QBT1000, ...[truncated*]
Weaknesses (CWE)

Open source packages OSV

Affected libraries according to OSV, with fixed versions.

Timeline

  1. Published

  2. Exploitation reported (ENISA)

  3. Added to the KEV catalog

  4. CISA remediation due date

References

Other exploited vulnerabilities from the same vendor

  • CVE-2026-21385Qualcomm Multiple Chipsets Memory Corruption Vulnerability
    4.4 · Background exploitation
  • CVE-2025-27038Qualcomm Multiple Chipsets Use-After-Free Vulnerability
    4.8 · Background exploitation
  • CVE-2025-21480Qualcomm Multiple Chipsets Incorrect Authorization Vulnerability
    4.7 · Background exploitation
  • CVE-2025-21479Qualcomm Multiple Chipsets Incorrect Authorization Vulnerability
    4.7 · Background exploitation
  • CVE-2024-43047Qualcomm Multiple Chipsets Use-After-Free Vulnerability
    4.3 · Background exploitation
  • CVE-2023-33107Qualcomm Multiple Chipsets Integer Overflow Vulnerability
    4.6 · Background exploitation

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Sources: CISA KEV · ENISA EUVD · FIRST EPSS · OSV. Public data aggregated by CheckOps, updated automatically. Source texts remain the property of their authors. All exploited vulnerabilities