==========================================================================
Ubuntu Security Notice USN-6973-1
August 21, 2024linux, linux-aws, linux-azure, linux-bluefield, linux-gcp, linux-gcp-5.4,
linux-gkeop, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-kvm,
linux-oracle, linux-oracle-5.4, linux-raspi, 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-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-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
Details:
It was discovered that a race condition existed in the Bluetooth subsystem
in the Linux kernel, leading to a null pointer dereference vulnerability. A
privileged local attacker could use this to possibly cause a denial of
service (system crash). (CVE-2024-24860)
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:
- SuperH RISC architecture;
- MMC subsystem;
- Network drivers;
- SCSI drivers;
- GFS2 file system;
- IPv4 networking;
- IPv6 networking;
- HD-audio driver;
(CVE-2024-26830, CVE-2024-39484, CVE-2024-36901, CVE-2024-26929,
CVE-2024-26921, CVE-2021-46926, CVE-2023-52629, CVE-2023-52760)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 20.04 LTS
linux-image-5.4.0-1050-xilinx-zynqmp 5.4.0-1050.54
linux-image-5.4.0-1078-ibm 5.4.0-1078.83
linux-image-5.4.0-1091-bluefield 5.4.0-1091.98
linux-image-5.4.0-1098-gkeop 5.4.0-1098.102
linux-image-5.4.0-1115-raspi 5.4.0-1115.127
linux-image-5.4.0-1119-kvm 5.4.0-1119.127
linux-image-5.4.0-1130-oracle 5.4.0-1130.139
linux-image-5.4.0-1131-aws 5.4.0-1131.141
linux-image-5.4.0-1135-gcp 5.4.0-1135.144
linux-image-5.4.0-1136-azure 5.4.0-1136.143
linux-image-5.4.0-193-generic 5.4.0-193.213
linux-image-5.4.0-193-generic-lpae 5.4.0-193.213
linux-image-5.4.0-193-lowlatency 5.4.0-193.213
linux-image-aws-lts-20.04 5.4.0.1131.128
linux-image-azure-lts-20.04 5.4.0.1136.130
linux-image-bluefield 5.4.0.1091.87
linux-image-gcp-lts-20.04 5.4.0.1135.137
linux-image-generic 5.4.0.193.191
linux-image-generic-lpae 5.4.0.193.191
linux-image-gkeop 5.4.0.1098.96
linux-image-gkeop-5.4 5.4.0.1098.96
linux-image-ibm-lts-20.04 5.4.0.1078.107
linux-image-kvm 5.4.0.1119.115
linux-image-lowlatency 5.4.0.193.191
linux-image-oem 5.4.0.193.191
linux-image-oem-osp1 5.4.0.193.191
linux-image-oracle-lts-20.04 5.4.0.1130.123
linux-image-raspi 5.4.0.1115.145
linux-image-raspi2 5.4.0.1115.145
linux-image-virtual 5.4.0.193.191
linux-image-xilinx-zynqmp 5.4.0.1050.50
Ubuntu 18.04 LTS
linux-image-5.4.0-1078-ibm 5.4.0-1078.83~18.04.1
Available with Ubuntu Pro
linux-image-5.4.0-1130-oracle 5.4.0-1130.139~18.04.1
Available with Ubuntu Pro
linux-image-5.4.0-1135-gcp 5.4.0-1135.144~18.04.1
Available with Ubuntu Pro
linux-image-5.4.0-193-generic 5.4.0-193.213~18.04.1
Available with Ubuntu Pro
linux-image-5.4.0-193-lowlatency 5.4.0-193.213~18.04.1
Available with Ubuntu Pro
linux-image-gcp 5.4.0.1135.144~18.04.1
Available with Ubuntu Pro
linux-image-generic-hwe-18.04 5.4.0.193.213~18.04.1
Available with Ubuntu Pro
linux-image-ibm 5.4.0.1078.83~18.04.1
Available with Ubuntu Pro
linux-image-lowlatency-hwe-18.04 5.4.0.193.213~18.04.1
Available with Ubuntu Pro
linux-image-oem 5.4.0.193.213~18.04.1
Available with Ubuntu Pro
linux-image-oem-osp1 5.4.0.193.213~18.04.1
Available with Ubuntu Pro
linux-image-oracle 5.4.0.1130.139~18.04.1
Available with Ubuntu Pro
linux-image-snapdragon-hwe-18.04 5.4.0.193.213~18.04.1
Available with Ubuntu Pro
linux-image-virtual-hwe-18.04 5.4.0.193.213~18.04.1
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-6973-1
CVE-2021-46926, CVE-2023-52629, CVE-2023-52760, CVE-2024-24860,
CVE-2024-26830, CVE-2024-26921, CVE-2024-26929, CVE-2024-36901,
CVE-2024-39484
Package Information:
https://launchpad.net/ubuntu/+source/linux/5.4.0-193.213
https://launchpad.net/ubuntu/+source/linux-aws/5.4.0-1131.141
https://launchpad.net/ubuntu/+source/linux-azure/5.4.0-1136.143
https://launchpad.net/ubuntu/+source/linux-bluefield/5.4.0-1091.98
https://launchpad.net/ubuntu/+source/linux-gcp/5.4.0-1135.144
https://launchpad.net/ubuntu/+source/linux-gkeop/5.4.0-1098.102
https://launchpad.net/ubuntu/+source/linux-ibm/5.4.0-1078.83
https://launchpad.net/ubuntu/+source/linux-kvm/5.4.0-1119.127
https://launchpad.net/ubuntu/+source/linux-oracle/5.4.0-1130.139
https://launchpad.net/ubuntu/+source/linux-raspi/5.4.0-1115.127
https://launchpad.net/ubuntu/+source/linux-xilinx-zynqmp/5.4.0-1050.54
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