# CVE-2020-10773

## Summary

- **CVE ID:** CVE-2020-10773
- **Severity:** MEDIUM
- **CVSS Score:** 4.4 (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N)
- **CWE:** CWE-626
- **Published:** Sep 10, 2020
- **Last Modified:** Mar 14, 2026

## Description

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

- [UNKNOWN] — kernel (kernel-5.4-rc6)

## References

- [CNA](https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10773)
- [CNA](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b8e51a6a9db94bc1fb18ae831b3dab106b5a4b5f)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.02%
- **EPSS Percentile:** 3.4

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._