CVE Database›CVE-2020-0444

CVE-2020-0444

kernel: bad kfree in auditfilter.c may lead to escalation of privilege

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Severity

Important

Red Hat Product Security

7.8

CVSS 3.1

Review impact separately from score.

Published · January 18, 2021

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel. A logic error in audit_data_to_entry can lead to a local escalation of privilege without user interaction needed. A local attacker with special user privilege could crash the system leading to information leak. The highest threat from this vulnerability is to data confidentiality and integrity as well as 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

Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.

CVSS / CWE

CVSS 3.1 · 7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-1341 · Multiple Releases of Same Resource or Handle