CVE-2019-9213

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

In the Linux kernel before 4.20.14, expand_downwards in mm/mmap.c lacks a check for the mmap minimum address, which makes it easier for attackers to exploit kernel NULL pointer dereferences on non-SMAP platforms. This is related to a capability check for the wrong task.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

No affected versions have been published.

Timeline

Published
Mar 5, 2019
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2019

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CVE-2019-9213: Medium severity, CVSS 5.5 | Vulnix