CVE-2026-31529

MEDIUM

cxl/region: Fix leakage in __construct_region()

Title source: cna

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.

References (2)

https://git.kernel.org/stable/c/f1b4741adf08b0063291ec1b0dfa9c3d55644933

https://git.kernel.org/stable/c/77b310bb7b5ff8c017524df83292e0242ba89791

Scores

CVSS v3 5.5

EPSS 0.0001

EPSS Percentile 2.9%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE

CWE-401

Status published

Products (8)

Linux/Linux < 6.19

Linux/Linux 6.19

Linux/Linux 6.19.11 - 6.19.*

Linux/Linux 7.0

Linux/Linux d6602e25819dea2c239972e98e09ba5db4aebd22 - 77b310bb7b5ff8c017524df83292e0242ba89791

Linux/Linux d6602e25819dea2c239972e98e09ba5db4aebd22 - f1b4741adf08b0063291ec1b0dfa9c3d55644933

linux/linux_kernel 7.0 rc1 (5 CPE variants)

linux/linux_kernel 6.19 - 6.19.11

Published Apr 22, 2026

Tracked Since Apr 22, 2026