CVE-2026-97423 cxl/region: Validate partition index before array access

In the Linux kernel, the following vulnerability has been resolved: cxl/region: Validate partition index before array access constructregion reads cxled-part and uses it to index cxlds-part without checking for a negative value. If the partition was never resolved, part remains at its initial val...

CVE-2026-97423

The Linux kernel contains a vulnerability in the cxl/region component where the construct_region() function fails to validate the cxled->part value before using it as an index for the cxlds->part[] array. If a partition is never resolved, the value remains at -1 , leading to an out-of-bound...