CVE Database›CVE-2020-35501

CVE-2020-35501

kernel: audit not logging access to syscall open_by_handle_at for users with CAP_DAC_READ_SEARCH capability

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Severity

Low

Red Hat Product Security

3.4

CVSS 3.1

Review impact separately from score.

Published · March 5, 2021

Updated · October 8, 2026

Description

A flaw was found in the Linux kernels implementation of audit rules, where a syscall can unexpectedly not be correctly not be logged by the audit subsystem

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

This syscall can still be audited by using the 'syscall auditing feature' by passing open_by_handle_at to it in the rule. Existing auditing ruleset requirements generally use this mechanism.

CVSS / CWE

CVSS 3.1 · 3.4
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N

CWE-863 · Incorrect Authorization