CVE-2020-11565
kernel: out-of-bounds write in mpol_parse_str function in mm/mempolicy.c
Severity
ModerateRed Hat Product Security
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 · 6CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
CWE-787 · Out-of-bounds Write