CVE-2020-10773: Linux Kernel

Medium severity, CVSS 4.4. EPSS: 0.4% chance of exploitation in the next 30 days.

A stack information leak flaw was found in s390/s390x in the Linux kernel’s memory manager functionality, where it incorrectly writes to the /proc/sys/vm/cmm_timeout file. This flaw allows a local user to see the kernel data.

Affected products

• Linux Linux Kernel: version 5.4.0 only

Published 2020-09-10. Last modified 2026-06-17.