CVE-2026-31746

EUVD-2026-26559
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 2%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
6.16 ≤
𝑥
< 6.18.22
linuxlinux_kernel
6.19 ≤
𝑥
< 6.19.12
linuxlinux_kernel
7.0:rc1
linuxlinux_kernel
7.0:rc2
linuxlinux_kernel
7.0:rc3
linuxlinux_kernel
7.0:rc4
linuxlinux_kernel
7.0:rc5
linuxlinux_kernel
7.0:rc6
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
6.1.170-3
fixed
bookworm (security)
6.1.174-1
fixed
bullseye
5.10.223-1
fixed
bullseye (security)
5.10.257-1
fixed
forky
7.0.10-1
fixed
sid
7.0.12-2
fixed
trixie
6.12.86-1
fixed
trixie (security)
6.12.90-2
fixed