发布于3月6日3月6日 Members Ubuntu: (Multiple Advisories) (CVE-2023-52809): Linux kernel vulnerabilities Severity 5 CVSS (AV:L/AC:L/Au:S/C:N/I:N/A:C) Published 05/21/2024 Created 09/26/2024 Added 09/25/2024 Modified 01/28/2025 Description In the Linux kernel, the following vulnerability has been resolved: scsi: libfc: Fix potential NULL pointer dereference in fc_lport_ptp_setup() fc_lport_ptp_setup() did not check the return value of fc_rport_create() which can return NULL and would cause a NULL pointer dereference. Address this issue by checking return value of fc_rport_create() and log error message on fc_rport_create() failed. Solution(s) ubuntu-upgrade-linux-image-4-15-0-1135-oracle ubuntu-upgrade-linux-image-4-15-0-1156-kvm ubuntu-upgrade-linux-image-4-15-0-1166-gcp ubuntu-upgrade-linux-image-4-15-0-1173-aws ubuntu-upgrade-linux-image-4-15-0-1181-azure ubuntu-upgrade-linux-image-4-15-0-229-generic ubuntu-upgrade-linux-image-4-15-0-229-lowlatency ubuntu-upgrade-linux-image-4-4-0-1136-aws ubuntu-upgrade-linux-image-4-4-0-1137-kvm ubuntu-upgrade-linux-image-4-4-0-1174-aws ubuntu-upgrade-linux-image-4-4-0-259-generic ubuntu-upgrade-linux-image-4-4-0-259-lowlatency ubuntu-upgrade-linux-image-aws ubuntu-upgrade-linux-image-aws-hwe ubuntu-upgrade-linux-image-aws-lts-18-04 ubuntu-upgrade-linux-image-azure ubuntu-upgrade-linux-image-azure-lts-18-04 ubuntu-upgrade-linux-image-gcp ubuntu-upgrade-linux-image-gcp-lts-18-04 ubuntu-upgrade-linux-image-generic ubuntu-upgrade-linux-image-generic-hwe-16-04 ubuntu-upgrade-linux-image-generic-lts-utopic ubuntu-upgrade-linux-image-generic-lts-vivid ubuntu-upgrade-linux-image-generic-lts-wily ubuntu-upgrade-linux-image-generic-lts-xenial ubuntu-upgrade-linux-image-gke ubuntu-upgrade-linux-image-kvm ubuntu-upgrade-linux-image-lowlatency ubuntu-upgrade-linux-image-lowlatency-hwe-16-04 ubuntu-upgrade-linux-image-lowlatency-lts-utopic ubuntu-upgrade-linux-image-lowlatency-lts-vivid ubuntu-upgrade-linux-image-lowlatency-lts-wily ubuntu-upgrade-linux-image-lowlatency-lts-xenial ubuntu-upgrade-linux-image-oem ubuntu-upgrade-linux-image-oracle ubuntu-upgrade-linux-image-oracle-lts-18-04 ubuntu-upgrade-linux-image-virtual ubuntu-upgrade-linux-image-virtual-hwe-16-04 ubuntu-upgrade-linux-image-virtual-lts-utopic ubuntu-upgrade-linux-image-virtual-lts-vivid ubuntu-upgrade-linux-image-virtual-lts-wily ubuntu-upgrade-linux-image-virtual-lts-xenial References https://attackerkb.com/topics/cve-2023-52809 CVE - 2023-52809 USN-7028-1 USN-7028-2 USN-7039-1
