Medium 5.5Published Apr 22, 2026

CVE-2026-31529cxl/region: Fix leakage in __construct_region()

Updated under an hour ago (Oct 27, 2026, 9:40 PM ET)

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Exploited in the last 30 days

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.

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Analyzed
Record last updated: May 11, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from d6602e25819dea2c239972e98e09ba5db4aebd22 before f1b4741adf08b0063291ec1b0dfa9c3d55644933; from d6602e25819dea2c239972e98e09ba5db4aebd22 before 77b310bb7b5ff8c017524df83292e0242ba89791	CNA record
linux linux_kernel linux:linux_kernel	from 6.19 before 6.19.11; 7.0; 7.0; 7.0; 7.0; 7.0	NVD

References

References

https://git.kernel.org/stable/c/f1b4741adf08b0063291ec1b0dfa9c3d55644933	patch
https://git.kernel.org/stable/c/77b310bb7b5ff8c017524df83292e0242ba89791	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.