CVE-2021-47464

audit: fix possible null-pointer dereference in audit_filter_rules

State: Published
Severity: 7.4 High
Published: May 22, 2024
Updated: May 11, 2026
Reserved: May 22, 2024

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Description

In the Linux kernel, the following vulnerability has been resolved:

audit: fix possible null-pointer dereference in audit_filter_rules

Fix possible null-pointer dereference in audit_filter_rules.

audit_filter_rules() error: we previously assumed 'ctx' could be null

Scores

CVSS	Score	Vector	Source
3.1	7.4 High	CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-476 NULL Pointer Dereference

Affected Products

Product	Versions
LinuxLinux	bf361231c295d92a28ca283ea713f56e93e55796 to before d6f451f1f60c58d73038c7c3177066f8f084e2a2Affected bf361231c295d92a28ca283ea713f56e93e55796 to before 16802fa4c33eb1a8efb23f1e93365190e4047d05Affected bf361231c295d92a28ca283ea713f56e93e55796 to before 4e9e46a700201b4c85081fd478c99c692a9aaa0dAffected bf361231c295d92a28ca283ea713f56e93e55796 to before 6e3ee990c90494561921c756481d0e2125d8b895Affected
LinuxLinux	5.3Affected before 5.3Not affected 5.4.156 through 5.4.Not affected 5.10.76 through 5.10.Not affected 5.14.15 through 5.14.*Not affected 5.15 and laterNot affected

References

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