Ubuntu Security Notice 6776-1 - 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. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system.
58ebb40d9229560d190487a623c636894cd2a49ae67f8d6a99ef637f0e504658==========================================================================
Ubuntu Security Notice USN-6776-1
May 16, 2024
linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4,
linux-bluefield, linux-gcp, linux-gcp-5.4, linux-gkeop, linux-hwe-5.4,
linux-ibm, linux-ibm-5.4, linux-iot, linux-kvm, linux-oracle,
linux-oracle-5.4, linux-raspi, linux-raspi-5.4, linux-xilinx-zynqmp
vulnerabilities
==========================================================================
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
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