# CVE-2026-31529

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

## Description

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

cxl/region: Fix leakage in __construct_region()

Failing the first sysfs_update_group() needs to explicitly
kfree the resource as it is too early for cxl_region_iomem_release()
to do so.

## Key facts

- **CVE ID:** CVE-2026-31529
- **Published:** 2026-04-22
- **CVSS severity:** MEDIUM
- **CVSS base score:** 5.5
- **CWE codes:** CWE-401

## Affected products

- `linux:linux_kernel`

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-31529

## Citation

> AI Analytics. CVE-2026-31529. Retrieved 2026-08-02 from https://api.ai-analytics.org/cve/CVE-2026-31529. Derived from NIST NVD. Licensed CC0.

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