CVE-2026-23790 Use after free in Exynos 1280 firmware
A double-free in the Samsung Exynos DPU driver causes kernel memory corruption and use-after-free, potentially allowing code execution or privilege escalation.
- 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-2026-23790?
CVE-2026-23790 is a medium-severity use after free vulnerability in Samsung Exynos 1280 firmware, published on 14 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue was discovered in DPU in Samsung Mobile Processor Exynos 1280, 2200, 1380, 1480, 2400, 1580, 2500, 1680, and 2600. A double-free vulnerability in the Samsung Exynos DPU driver (due to improper pointer management during DMA buffer reallocation) leads to kernel memory corruption and a potential use-after-free.
Weakness: CWE-415
Which versions are affected by CVE-2026-23790?
How do I fix CVE-2026-23790?
No fix has been published for CVE-2026-23790 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-2026-23790 being exploited?
There is no known exploitation of CVE-2026-23790 in the wild and no public exploit code.
Sources
Also known as GHSA-cp33-7crq-f47m.