CVE-2026-31746

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A memory leak occurs in the s390/zcrypt component when CCA cards are used as an accelerator for clear key RSA requests (ME and CRT). The issue arises because AP messages are allocated by the ap init apmsg() function, but older allocation methods remained in place in two specific areas (ME and CRT), causing the initial allocation to never be freed.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.