CVE-2021-1905
CISA KEVPublished November 3, 2021 · Updated April 3, 2026
high
Official Description+
Multiple Qualcomm Chipsets contain a use after free vulnerability due to improper handling of memory mapping of multiple processes simultaneously.
Affected Products
| Vendor | Product |
|---|---|
| Qualcomm | Multiple Chipsets |
Patch Status
Patch by 2022-05-03
Recommended Actions
- Check if your systems use any of the affected products listed above.
- Apply vendor patches immediately if available.
- This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
- Monitor vendor advisories for updates and additional mitigations.
- Review logs for indicators of compromise related to CVE-2021-1905.