CVE-2020-35501
kernel: audit not logging access to syscall open_by_handle_at for users with CAP_DAC_READ_SEARCH capability
Severity
LowRed Hat Product Security
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 · 3.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
CWE-863 · Incorrect Authorization