CVE-2026-21380 Use After Free in DSP Service
A use-after-free vulnerability in Qualcomm Snapdragon DSP services allows attackers to execute arbitrary code or escalate privileges via deprecated DMABUF IOCTL calls.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-21380?
CVE-2026-21380 is a high-severity use after free vulnerability in Qualcomm Cologne Firmware, published on 6 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory Corruption when using deprecated DMABUF IOCTL calls to manage video memory.
Weakness: CWE-416
Which versions are affected by CVE-2026-21380?
It affects 23 products.
Products include Qualcomm Cologne Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware, Qualcomm Qca0000 Firmware, Qualcomm Sc8380xp Firmware, Qualcomm Snapdragon Ar1 Gen 1 Platform Firmware and 17 more.
How do I fix CVE-2026-21380?
No fix has been published for CVE-2026-21380 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2026-21380 being exploited?
There is no known exploitation of CVE-2026-21380 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Cologne Firmware
Sources
Also known as GHSA-mgp3-jcmc-q2pf.