# CVE-2026-31651

> Vulnerability · severity: **MEDIUM** (CVSS 5.5).

## Description

In the Linux kernel, the following vulnerability has been resolved:

mmc: vub300: fix NULL-deref on disconnect

Make sure to deregister the controller before dropping the reference to
the driver data on disconnect to avoid NULL-pointer dereferences or
use-after-free.

## Key facts

- **CVE ID:** CVE-2026-31651
- **Published:** 2026-04-24
- **CVSS severity:** MEDIUM
- **CVSS base score:** 5.5
- **CWE codes:** CWE-476

## Affected products

- `linux:linux_kernel`

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-31651

## Citation

> AI Analytics. CVE-2026-31651. Retrieved 2026-08-21 from https://api.ai-analytics.org/cve/CVE-2026-31651. Derived from NIST NVD. Licensed CC0.

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