发布于3月6日3月6日 Members Ubuntu: (Multiple Advisories) (CVE-2024-39482): Linux kernel vulnerabilities Severity 5 CVSS (AV:L/AC:L/Au:S/C:N/I:N/A:C) Published 07/05/2024 Created 08/10/2024 Added 08/09/2024 Modified 01/30/2025 Description In the Linux kernel, the following vulnerability has been resolved: bcache: fix variable length array abuse in btree_iter btree_iter is used in two ways: either allocated on the stack with a fixed size MAX_BSETS, or from a mempool with a dynamic size based on the specific cache set. Previously, the struct had a fixed-length array of size MAX_BSETS which was indexed out-of-bounds for the dynamically-sized iterators, which causes UBSAN to complain. This patch uses the same approach as in bcachefs's sort_iter and splits the iterator into a btree_iter with a flexible array member and a btree_iter_stack which embeds a btree_iter as well as a fixed-length data array. Solution(s) ubuntu-upgrade-linux-image-5-15-0-1035-xilinx-zynqmp ubuntu-upgrade-linux-image-5-15-0-1052-gkeop ubuntu-upgrade-linux-image-5-15-0-1062-ibm ubuntu-upgrade-linux-image-5-15-0-1062-raspi ubuntu-upgrade-linux-image-5-15-0-1064-intel-iotg ubuntu-upgrade-linux-image-5-15-0-1064-nvidia ubuntu-upgrade-linux-image-5-15-0-1064-nvidia-lowlatency ubuntu-upgrade-linux-image-5-15-0-1066-gke ubuntu-upgrade-linux-image-5-15-0-1066-kvm ubuntu-upgrade-linux-image-5-15-0-1067-oracle ubuntu-upgrade-linux-image-5-15-0-1068-gcp ubuntu-upgrade-linux-image-5-15-0-1069-aws ubuntu-upgrade-linux-image-5-15-0-1072-azure ubuntu-upgrade-linux-image-5-15-0-1072-azure-fde ubuntu-upgrade-linux-image-5-15-0-121-generic ubuntu-upgrade-linux-image-5-15-0-121-generic-64k ubuntu-upgrade-linux-image-5-15-0-121-generic-lpae ubuntu-upgrade-linux-image-5-15-0-121-lowlatency ubuntu-upgrade-linux-image-5-15-0-121-lowlatency-64k ubuntu-upgrade-linux-image-6-8-0-1008-gke ubuntu-upgrade-linux-image-6-8-0-1009-raspi ubuntu-upgrade-linux-image-6-8-0-1010-ibm ubuntu-upgrade-linux-image-6-8-0-1010-oem ubuntu-upgrade-linux-image-6-8-0-1010-oracle ubuntu-upgrade-linux-image-6-8-0-1010-oracle-64k ubuntu-upgrade-linux-image-6-8-0-1011-nvidia ubuntu-upgrade-linux-image-6-8-0-1011-nvidia-64k ubuntu-upgrade-linux-image-6-8-0-1011-nvidia-lowlatency ubuntu-upgrade-linux-image-6-8-0-1011-nvidia-lowlatency-64k ubuntu-upgrade-linux-image-6-8-0-1012-azure ubuntu-upgrade-linux-image-6-8-0-1012-azure-fde ubuntu-upgrade-linux-image-6-8-0-1012-gcp ubuntu-upgrade-linux-image-6-8-0-1013-aws ubuntu-upgrade-linux-image-6-8-0-40-generic ubuntu-upgrade-linux-image-6-8-0-40-generic-64k ubuntu-upgrade-linux-image-6-8-0-40-lowlatency ubuntu-upgrade-linux-image-6-8-0-40-lowlatency-64k ubuntu-upgrade-linux-image-aws ubuntu-upgrade-linux-image-aws-lts-22-04 ubuntu-upgrade-linux-image-azure ubuntu-upgrade-linux-image-azure-cvm ubuntu-upgrade-linux-image-azure-fde ubuntu-upgrade-linux-image-azure-fde-lts-22-04 ubuntu-upgrade-linux-image-azure-lts-22-04 ubuntu-upgrade-linux-image-gcp ubuntu-upgrade-linux-image-gcp-lts-22-04 ubuntu-upgrade-linux-image-generic ubuntu-upgrade-linux-image-generic-64k ubuntu-upgrade-linux-image-generic-64k-hwe-20-04 ubuntu-upgrade-linux-image-generic-64k-hwe-24-04 ubuntu-upgrade-linux-image-generic-hwe-20-04 ubuntu-upgrade-linux-image-generic-hwe-24-04 ubuntu-upgrade-linux-image-generic-lpae ubuntu-upgrade-linux-image-generic-lpae-hwe-20-04 ubuntu-upgrade-linux-image-gke ubuntu-upgrade-linux-image-gke-5-15 ubuntu-upgrade-linux-image-gkeop ubuntu-upgrade-linux-image-gkeop-5-15 ubuntu-upgrade-linux-image-ibm ubuntu-upgrade-linux-image-ibm-classic ubuntu-upgrade-linux-image-ibm-lts-24-04 ubuntu-upgrade-linux-image-intel ubuntu-upgrade-linux-image-intel-iotg ubuntu-upgrade-linux-image-kvm ubuntu-upgrade-linux-image-lowlatency ubuntu-upgrade-linux-image-lowlatency-64k ubuntu-upgrade-linux-image-lowlatency-64k-hwe-20-04 ubuntu-upgrade-linux-image-lowlatency-hwe-20-04 ubuntu-upgrade-linux-image-nvidia ubuntu-upgrade-linux-image-nvidia-6-8 ubuntu-upgrade-linux-image-nvidia-64k ubuntu-upgrade-linux-image-nvidia-64k-6-8 ubuntu-upgrade-linux-image-nvidia-lowlatency ubuntu-upgrade-linux-image-nvidia-lowlatency-64k ubuntu-upgrade-linux-image-oem-20-04 ubuntu-upgrade-linux-image-oem-20-04b ubuntu-upgrade-linux-image-oem-20-04c ubuntu-upgrade-linux-image-oem-20-04d ubuntu-upgrade-linux-image-oem-24-04 ubuntu-upgrade-linux-image-oem-24-04a ubuntu-upgrade-linux-image-oracle ubuntu-upgrade-linux-image-oracle-64k ubuntu-upgrade-linux-image-oracle-lts-22-04 ubuntu-upgrade-linux-image-raspi ubuntu-upgrade-linux-image-raspi-nolpae ubuntu-upgrade-linux-image-virtual ubuntu-upgrade-linux-image-virtual-hwe-20-04 ubuntu-upgrade-linux-image-virtual-hwe-24-04 ubuntu-upgrade-linux-image-xilinx-zynqmp References https://attackerkb.com/topics/cve-2024-39482 CVE - 2024-39482 USN-6949-1 USN-6949-2 USN-6952-1 USN-6952-2 USN-6955-1 USN-7007-1 USN-7007-2 USN-7007-3 USN-7009-1 USN-7009-2 USN-7019-1 View more