发布于3月6日3月6日 Members Ubuntu: (CVE-2021-47464): linux vulnerability Severity 4 CVSS (AV:L/AC:M/Au:N/C:P/I:P/A:P) Published 05/22/2024 Created 11/21/2024 Added 11/19/2024 Modified 02/11/2025 Description In the Linux kernel, the following vulnerability has been resolved: audit: fix possible null-pointer dereference in audit_filter_rules Fixpossible null-pointer dereference in audit_filter_rules. audit_filter_rules() error: we previously assumed 'ctx' could be null Solution(s) ubuntu-upgrade-linux ubuntu-upgrade-linux-aws ubuntu-upgrade-linux-aws-5-4 ubuntu-upgrade-linux-aws-fips ubuntu-upgrade-linux-azure ubuntu-upgrade-linux-azure-5-4 ubuntu-upgrade-linux-azure-fips ubuntu-upgrade-linux-bluefield ubuntu-upgrade-linux-fips ubuntu-upgrade-linux-gcp ubuntu-upgrade-linux-gcp-5-4 ubuntu-upgrade-linux-gcp-fips ubuntu-upgrade-linux-gkeop ubuntu-upgrade-linux-hwe-5-4 ubuntu-upgrade-linux-ibm ubuntu-upgrade-linux-kvm ubuntu-upgrade-linux-oracle ubuntu-upgrade-linux-oracle-5-4 ubuntu-upgrade-linux-raspi ubuntu-upgrade-linux-raspi-5-4 References https://attackerkb.com/topics/cve-2021-47464 CVE - 2021-47464 https://git.kernel.org/linus/6e3ee990c90494561921c756481d0e2125d8b895 https://git.kernel.org/stable/c/16802fa4c33eb1a8efb23f1e93365190e4047d05 https://git.kernel.org/stable/c/4e9e46a700201b4c85081fd478c99c692a9aaa0d https://git.kernel.org/stable/c/6e3ee990c90494561921c756481d0e2125d8b895 https://git.kernel.org/stable/c/d6f451f1f60c58d73038c7c3177066f8f084e2a2 https://www.cve.org/CVERecord?id=CVE-2021-47464 View more