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CVE-2020-11565

kernel: out-of-bounds write in mpol_parse_str function in mm/mempolicy.c

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Severity

Moderate

Red Hat Product Security

6

CVSS 3.1

Review impact separately from score.

Published · April 1, 2020

Updated · June 28, 2026

Description

An out-of-bounds write flaw was found in the Linux kernel. An empty nodelist in mempolicy.c is mishandled durig mount option parsing leading to a stack-based out-of-bounds write. The highest threat from this vulnerability is to system availability.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

CVSS / CWE

CVSS 3.1 · 6
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

CWE-787 · Out-of-bounds Write