[USN-5415-1] Linux kernel vulnerabilities


========================================================================== Ubuntu Security Notice USN-5415-1 May 12, 2022
linux, linux-aws, linux-azure, linux-azure-5.4, linux-azure-fde, linux-gcp, linux-gcp-5.4, linux-gke, linux-gkeop, linux-gkeop-5.4, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 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-azure-fde: Linux kernel for Microsoft Azure cloud systems – linux-gcp: Linux kernel for Google Cloud Platform (GCP) systems – linux-gke: Linux kernel for Google Container Engine (GKE) 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-azure-5.4: Linux kernel for Microsoft Azure cloud systems – linux-gcp-5.4: Linux kernel for Google Cloud Platform (GCP) systems – linux-gkeop-5.4: Linux kernel for Google Container Engine (GKE) 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:
Jeremy Cline discovered a use-after-free in the nouveau graphics driver of the Linux kernel during device removal. A privileged or physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2020-27820)
Ke Sun, Alyssa Milburn, Henrique Kawakami, Emma Benoit, Igor Chervatyuk, Lisa Aichele, and Thais Moreira Hamasaki discovered that the Spectre Variant 2 mitigations for AMD processors on Linux were insufficient in some situations. A local attacker could possibly use this to expose sensitive information. (CVE-2021-26401)
David Bouman discovered that the netfilter subsystem in the Linux kernel did not initialize memory in some situations. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2022-1016)
It was discovered that the MMC/SD subsystem in the Linux kernel did not properly handle read errors from SD cards in certain situations. An attacker could possibly use this to expose sensitive information (kernel memory). (CVE-2022-20008)
It was discovered that the USB gadget subsystem in the Linux kernel did not properly validate interface descriptor requests. An attacker could possibly use this to cause a denial of service (system crash). (CVE-2022-25258)
It was discovered that the Remote NDIS (RNDIS) USB gadget implementation in the Linux kernel did not properly validate the size of the RNDIS_MSG_SET command. An attacker could possibly use this to expose sensitive information (kernel memory). (CVE-2022-25375)
It was discovered that the ST21NFCA NFC driver in the Linux kernel did not properly validate the size of certain data in EVT_TRANSACTION events. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-26490)
It was discovered that the Xilinx USB2 device gadget driver in the Linux kernel did not properly validate endpoint indices from the host. A physically proximate attacker could possibly use this to cause a denial of service (system crash). (CVE-2022-27223)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 20.04 LTS: linux-image-5.4.0-1021-ibm 5.4.0-1021.23 linux-image-5.4.0-1040-gkeop 5.4.0-1040.41 linux-image-5.4.0-1060-raspi 5.4.0-1060.68 linux-image-5.4.0-1063-kvm 5.4.0-1063.66 linux-image-5.4.0-1071-gke 5.4.0-1071.76 linux-image-5.4.0-1071-oracle 5.4.0-1071.77 linux-image-5.4.0-1073-aws 5.4.0-1073.78 linux-image-5.4.0-1073-gcp 5.4.0-1073.78 linux-image-5.4.0-1078-azure 5.4.0-1078.81 linux-image-5.4.0-1078-azure-fde 5.4.0-1078.81+cvm1.1 linux-image-5.4.0-110-generic 5.4.0-110.124 linux-image-5.4.0-110-generic-lpae 5.4.0-110.124 linux-image-5.4.0-110-lowlatency 5.4.0-110.124 linux-image-aws-lts-20.04 5.4.0.1073.75 linux-image-azure-fde 5.4.0.1078.81+cvm1.22 linux-image-azure-lts-20.04 5.4.0.1078.76 linux-image-gcp-lts-20.04 5.4.0.1073.81 linux-image-generic 5.4.0.110.114 linux-image-generic-lpae 5.4.0.110.114 linux-image-gke 5.4.0.1071.80 linux-image-gke-5.4 5.4.0.1071.80 linux-image-gkeop 5.4.0.1040.43 linux-image-gkeop-5.4 5.4.0.1040.43 linux-image-ibm 5.4.0.1021.21 linux-image-ibm-lts-20.04 5.4.0.1021.21 linux-image-kvm 5.4.0.1063.62 linux-image-lowlatency 5.4.0.110.114 linux-image-oem 5.4.0.110.114 linux-image-oem-osp1 5.4.0.110.114 linux-image-oracle-lts-20.04 5.4.0.1071.71 linux-image-raspi 5.4.0.1060.94 linux-image-raspi2 5.4.0.1060.94 linux-image-virtual 5.4.0.110.114
Ubuntu 18.04 LTS: linux-image-5.4.0-1021-ibm 5.4.0-1021.23~18.04.1 linux-image-5.4.0-1040-gkeop 5.4.0-1040.41~18.04.1 linux-image-5.4.0-1060-raspi 5.4.0-1060.68~18.04.1 linux-image-5.4.0-1071-oracle 5.4.0-1071.77~18.04.1 linux-image-5.4.0-1073-gcp 5.4.0-1073.78~18.04.1 linux-image-5.4.0-1078-azure 5.4.0-1078.81~18.04.1 linux-image-5.4.0-110-generic 5.4.0-110.124~18.04.1 linux-image-5.4.0-110-generic-lpae 5.4.0-110.124~18.04.1 linux-image-5.4.0-110-lowlatency 5.4.0-110.124~18.04.1 linux-image-azure 5.4.0.1078.57 linux-image-gcp 5.4.0.1073.57 linux-image-generic-hwe-18.04 5.4.0.110.124~18.04.95 linux-image-generic-lpae-hwe-18.04 5.4.0.110.124~18.04.95 linux-image-gkeop-5.4 5.4.0.1040.41~18.04.40 linux-image-ibm 5.4.0.1021.38 linux-image-lowlatency-hwe-18.04 5.4.0.110.124~18.04.95 linux-image-oem 5.4.0.110.124~18.04.95 linux-image-oem-osp1 5.4.0.110.124~18.04.95 linux-image-oracle 5.4.0.1071.77~18.04.50 linux-image-raspi-hwe-18.04 5.4.0.1060.61 linux-image-snapdragon-hwe-18.04 5.4.0.110.124~18.04.95 linux-image-virtual-hwe-18.04 5.4.0.110.124~18.04.95
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: ubuntu.com/security/notices/USN-5415-1 CVE-2020-27820, CVE-2021-26401, CVE-2022-1016, CVE-2022-20008, CVE-2022-25258, CVE-2022-25375, CVE-2022-26490, CVE-2022-27223
Package Information: launchpad.net/ubuntu/+source/linux/5.4.0-110.124 launchpad.net/ubuntu/+source/linux-aws/5.4.0-1073.78 launchpad.net/ubuntu/+source/linux-azure/5.4.0-1078.81 launchpad.net/ubuntu/+source/linux-azure-fde/5.4.0-1078.81+cvm1.1 launchpad.net/ubuntu/+source/linux-gcp/5.4.0-1073.78 launchpad.net/ubuntu/+source/linux-gke/5.4.0-1071.76 launchpad.net/ubuntu/+source/linux-gkeop/5.4.0-1040.41 launchpad.net/ubuntu/+source/linux-ibm/5.4.0-1021.23 launchpad.net/ubuntu/+source/linux-kvm/5.4.0-1063.66 launchpad.net/ubuntu/+source/linux-oracle/5.4.0-1071.77 launchpad.net/ubuntu/+source/linux-raspi/5.4.0-1060.68 launchpad.net/ubuntu/+source/linux-azure-5.4/5.4.0-1078.81~18.04.1 launchpad.net/ubuntu/+source/linux-gcp-5.4/5.4.0-1073.78~18.04.1 launchpad.net/ubuntu/+source/linux-gkeop-5.4/5.4.0-1040.41~18.04.1 launchpad.net/ubuntu/+source/linux-hwe-5.4/5.4.0-110.124~18.04.1 launchpad.net/ubuntu/+source/linux-ibm-5.4/5.4.0-1021.23~18.04.1 launchpad.net/ubuntu/+source/linux-oracle-5.4/5.4.0-1071.77~18.04.1 launchpad.net/ubuntu/+source/linux-raspi-5.4/5.4.0-1060.68~18.04.1