Ubuntu 6776-1: Linux kernel Security Advisory Updates
Summary
A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS Summary: Several security issues were fixed in the Linux kernel. Software Description: - linux: Linux kernel - linux-aws: Linux kernel for Amazon Web Services (AWS) systems - linux-azure: Linux kernel for Microsoft Azure Cloud systems - linux-bluefield: Linux kernel for NVIDIA BlueField platforms - linux-gcp: Linux kernel for Google Cloud Platform (GCP) systems - linux-gkeop: Linux kernel for Google Container Engine (GKE) systems - linux-ibm: Linux kernel for IBM cloud systems - linux-iot: Linux kernel for IoT platforms - linux-kvm: Linux kernel for cloud environments - linux-oracle: Linux kernel for Oracle Cloud systems - linux-raspi: Linux kernel for Raspberry Pi systems - linux-xilinx-zynqmp: Linux kernel for Xilinx ZynqMP processors - linux-aws-5.4: Linux kernel for Amazon Web Services (AWS) systems - linux-azure-5.4: Linux kernel for Microsoft Azure cloud systems - linux-gcp-5.4: Linux kernel for Google Cloud Platform (GCP) systems - linux-hwe-5.4: Linux hardware enablement (HWE) kernel - linux-ibm-5.4: Linux kernel for IBM cloud systems - linux-oracle-5.4: Linux kernel for Oracle Cloud systems - linux-raspi-5.4: Linux kernel for Raspberry Pi systems Details: Zheng Wang discovered that the Broadcom FullMAC WLAN driver in the Linux kernel contained a race condition during device removal, leading to a use- after-free vulnerability. A physically proximate attacker could possibly use this to cause a denial of service (system crash). (CVE-2023-47233) Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Networking core; - IPv4 networking; - MAC80211 subsystem; - Tomoyo security module; (CVE-2024-26614, CVE-2023-52530, CVE-2024-26622)
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS linux-image-5.4.0-1037-iot 5.4.0-1037.38 linux-image-5.4.0-1044-xilinx-zynqmp 5.4.0-1044.48 linux-image-5.4.0-1072-ibm 5.4.0-1072.77 linux-image-5.4.0-1085-bluefield 5.4.0-1085.92 linux-image-5.4.0-1092-gkeop 5.4.0-1092.96 linux-image-5.4.0-1109-raspi 5.4.0-1109.121 linux-image-5.4.0-1113-kvm 5.4.0-1113.120 linux-image-5.4.0-1124-oracle 5.4.0-1124.133 linux-image-5.4.0-1125-aws 5.4.0-1125.135 linux-image-5.4.0-1129-gcp 5.4.0-1129.138 linux-image-5.4.0-1130-azure 5.4.0-1130.137 linux-image-5.4.0-182-generic 5.4.0-182.202 linux-image-5.4.0-182-generic-lpae 5.4.0-182.202 linux-image-5.4.0-182-lowlatency 5.4.0-182.202 linux-image-aws-lts-20.04 5.4.0.1125.122 linux-image-azure-lts-20.04 5.4.0.1130.124 linux-image-bluefield 5.4.0.1085.81 linux-image-gcp-lts-20.04 5.4.0.1129.131 linux-image-generic 5.4.0.182.180 linux-image-generic-lpae 5.4.0.182.180 linux-image-gkeop 5.4.0.1092.90 linux-image-gkeop-5.4 5.4.0.1092.90 linux-image-ibm-lts-20.04 5.4.0.1072.101 linux-image-kvm 5.4.0.1113.109 linux-image-lowlatency 5.4.0.182.180 linux-image-oem 5.4.0.182.180 linux-image-oem-osp1 5.4.0.182.180 linux-image-oracle-lts-20.04 5.4.0.1124.117 linux-image-raspi 5.4.0.1109.139 linux-image-raspi2 5.4.0.1109.139 linux-image-virtual 5.4.0.182.180 linux-image-xilinx-zynqmp 5.4.0.1044.44 Ubuntu 18.04 LTS linux-image-5.4.0-1072-ibm 5.4.0-1072.77~18.04.1 Available with Ubuntu Pro linux-image-5.4.0-1109-raspi 5.4.0-1109.121~18.04.1 Available with Ubuntu Pro linux-image-5.4.0-1124-oracle 5.4.0-1124.133~18.04.1 Available with Ubuntu Pro linux-image-5.4.0-1125-aws 5.4.0-1125.135~18.04.1 Available with Ubuntu Pro linux-image-5.4.0-1129-gcp 5.4.0-1129.138~18.04.1 Available with Ubuntu Pro linux-image-5.4.0-1130-azure 5.4.0-1130.137~18.04.1 Available with Ubuntu Pro linux-image-5.4.0-182-generic 5.4.0-182.202~18.04.1 Available with Ubuntu Pro linux-image-5.4.0-182-lowlatency 5.4.0-182.202~18.04.1 Available with Ubuntu Pro linux-image-aws 5.4.0.1125.135~18.04.1 Available with Ubuntu Pro linux-image-azure 5.4.0.1130.137~18.04.1 Available with Ubuntu Pro linux-image-gcp 5.4.0.1129.138~18.04.1 Available with Ubuntu Pro linux-image-generic-hwe-18.04 5.4.0.182.202~18.04.1 Available with Ubuntu Pro linux-image-ibm 5.4.0.1072.77~18.04.1 Available with Ubuntu Pro linux-image-lowlatency-hwe-18.04 5.4.0.182.202~18.04.1 Available with Ubuntu Pro linux-image-oem 5.4.0.182.202~18.04.1 Available with Ubuntu Pro linux-image-oem-osp1 5.4.0.182.202~18.04.1 Available with Ubuntu Pro linux-image-oracle 5.4.0.1124.133~18.04.1 Available with Ubuntu Pro linux-image-raspi-hwe-18.04 5.4.0.1109.121~18.04.1 Available with Ubuntu Pro linux-image-snapdragon-hwe-18.04 5.4.0.182.202~18.04.1 Available with Ubuntu Pro linux-image-virtual-hwe-18.04 5.4.0.182.202~18.04.1 Available with Ubuntu Pro After a standard system update you need to reboot your computer to make all the necessary changes. ATTENTION: Due to an unavoidable ABI change the kernel updates have been given a new version number, which requires you to recompile and reinstall all third party kernel modules you might have installed. Unless you manually uninstalled the standard kernel metapackages (e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual, linux-powerpc), a standard system upgrade will automatically perform this as well.
References
https://ubuntu.com/security/notices/USN-6776-1
CVE-2023-47233, CVE-2023-52530, CVE-2024-26614, CVE-2024-26622
Package Information
https://launchpad.net/ubuntu/+source/linux/5.4.0-182.202 https://launchpad.net/ubuntu/+source/linux-aws/5.4.0-1125.135 https://launchpad.net/ubuntu/+source/linux-azure/5.4.0-1130.137 https://launchpad.net/ubuntu/+source/linux-bluefield/5.4.0-1085.92 https://launchpad.net/ubuntu/+source/linux-gcp/5.4.0-1129.138 https://launchpad.net/ubuntu/+source/linux-gkeop/5.4.0-1092.96 https://launchpad.net/ubuntu/+source/linux-ibm/5.4.0-1072.77 https://launchpad.net/ubuntu/+source/linux-iot/5.4.0-1037.38 https://launchpad.net/ubuntu/+source/linux-kvm/5.4.0-1113.120 https://launchpad.net/ubuntu/+source/linux-oracle/5.4.0-1124.133 https://launchpad.net/ubuntu/+source/linux-raspi/5.4.0-1109.121 https://launchpad.net/ubuntu/+source/linux-xilinx-zynqmp/5.4.0-1044.48
