CVE-2023-53568: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: don't leak memory if dev_set_name() fails When dev_set_name() fails, zcdn_create() doesn't free the newly allocated resources. Do it.

Affected products

• Linux Linux Kernel: from 4.20, before 5.4.257 (fixed in 5.4.257); from 5.5, before 5.10.195 (fixed in 5.10.195); from 5.11, before 5.15.132 (fixed in 5.15.132); from 5.16, before 6.1.54 (fixed in 6.1.54); from 6.2, before 6.5.4 (fixed in 6.5.4)

Published 2025-10-04. Last modified 2026-06-17.