CVE-2026-31746

linux: In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Fix memory leak with CCA cards used...

CVE-2026-31746 is fixed in linux on 1 platform by DEBIAN-CVE-2026-31746 (version 6.19.12-1), released May 15, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.5
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0016
4th percentile

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Fix memory leak with CCA cards used as accelerator Tests showed that there is a memory leak if CCA cards are used as accelerator for clear key RSA requests (ME and CRT). With the last rework for the memory allocation the AP messages are allocated by ap_init_apmsg() but for some reason on two places (ME and CRT) the older allocation was still in place. So the first allocation simple was never freed.

Where it's fixed

ProductFixed inFixReleased
Linux
linux · Debian 14 6.19.12-1 DEBIAN-CVE-2026-31746 May 15, 2026

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