========================================================================== Ubuntu Security Notice USN-5982-1 March 28, 2023 linux, linux-aws, linux-aws-5.15, linux-azure, linux-azure-5.15, linux-azure-fde, linux-gcp, linux-gcp-5.15, linux-gkeop, linux-hwe-5.15, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-oracle, linux-oracle-5.15, linux-raspi vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS - Ubuntu 20.04 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 CVM cloud systems - linux-gcp: Linux kernel for Google Cloud Platform (GCP) systems - linux-gkeop: Linux kernel for Google Container Engine (GKE) systems - linux-lowlatency: Linux low latency kernel - linux-oracle: Linux kernel for Oracle Cloud systems - linux-raspi: Linux kernel for Raspberry Pi systems - linux-aws-5.15: Linux kernel for Amazon Web Services (AWS) systems - linux-azure-5.15: Linux kernel for Microsoft Azure cloud systems - linux-gcp-5.15: Linux kernel for Google Cloud Platform (GCP) systems - linux-hwe-5.15: Linux hardware enablement (HWE) kernel - linux-lowlatency-hwe-5.15: Linux low latency kernel - linux-oracle-5.15: Linux kernel for Oracle Cloud systems Details: It was discovered that the KVM VMX implementation in the Linux kernel did not properly handle indirect branch prediction isolation between L1 and L2 VMs. An attacker in a guest VM could use this to expose sensitive information from the host OS or other guest VMs. (CVE-2022-2196) It was discovered that a use-after-free vulnerability existed in the SGI GRU driver in the Linux kernel. A local attacker could possibly use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-3424) Ziming Zhang discovered that the VMware Virtual GPU DRM driver in the Linux kernel contained an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service (system crash). (CVE-2022-36280) Hyunwoo Kim discovered that the DVB Core driver in the Linux kernel did not properly perform reference counting in some situations, leading to a use- after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-41218) Gerald Lee discovered that the USB Gadget file system implementation in the Linux kernel contained a race condition, leading to a use-after-free vulnerability in some situations. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-4382) It was discovered that the NTFS file system implementation in the Linux kernel did not properly validate attributes in certain situations, leading to an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service (system crash). (CVE-2022-48423) It was discovered that the NTFS file system implementation in the Linux kernel did not properly validate attributes in certain situations, leading to an out-of-bounds read vulnerability. A local attacker could possibly use this to expose sensitive information (kernel memory). (CVE-2022-48424) José Oliveira and Rodrigo Branco discovered that the prctl syscall implementation in the Linux kernel did not properly protect against indirect branch prediction attacks in some situations. A local attacker could possibly use this to expose sensitive information. (CVE-2023-0045) It was discovered that the KSMBD implementation in the Linux kernel did not properly validate buffer lengths, leading to a heap-based buffer overflow. A remote attacker could possibly use this to cause a denial of service (system crash). (CVE-2023-0210) It was discovered that a use-after-free vulnerability existed in the Advanced Linux Sound Architecture (ALSA) subsystem. A local attacker could use this to cause a denial of service (system crash). (CVE-2023-0266) Kyle Zeng discovered that the class-based queuing discipline implementation in the Linux kernel contained a type confusion vulnerability in some situations. An attacker could use this to cause a denial of service (system crash). (CVE-2023-23454) Kyle Zeng discovered that the ATM VC queuing discipline implementation in the Linux kernel contained a type confusion vulnerability in some situations. An attacker could use this to cause a denial of service (system crash). (CVE-2023-23455) It was discovered that the RNDIS USB driver in the Linux kernel contained an integer overflow vulnerability. A local attacker with physical access could plug in a malicious USB device to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-23559) It was discovered that the NTFS file system implementation in the Linux kernel did not properly handle a loop termination condition, leading to an out-of-bounds read vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly expose sensitive information. (CVE-2023-26606) Wei Chen discovered that the DVB USB AZ6027 driver in the Linux kernel contained a null pointer dereference when handling certain messages from user space. A local attacker could use this to cause a denial of service (system crash). (CVE-2023-28328) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 LTS: linux-image-5.15.0-1017-gkeop 5.15.0-1017.22 linux-image-5.15.0-1026-raspi 5.15.0-1026.28 linux-image-5.15.0-1026-raspi-nolpae 5.15.0-1026.28 linux-image-5.15.0-1031-gcp 5.15.0-1031.38 linux-image-5.15.0-1032-oracle 5.15.0-1032.38 linux-image-5.15.0-1033-aws 5.15.0-1033.37 linux-image-5.15.0-1035-azure 5.15.0-1035.42 linux-image-5.15.0-1035-azure-fde 5.15.0-1035.42.1 linux-image-5.15.0-69-generic 5.15.0-69.76 linux-image-5.15.0-69-generic-64k 5.15.0-69.76 linux-image-5.15.0-69-generic-lpae 5.15.0-69.76 linux-image-5.15.0-69-lowlatency 5.15.0-69.76 linux-image-5.15.0-69-lowlatency-64k 5.15.0-69.76 linux-image-aws-lts-22.04 5.15.0.1033.32 linux-image-azure 5.15.0.1035.31 linux-image-azure-fde 5.15.0.1035.42.12 linux-image-azure-lts-22.04 5.15.0.1035.31 linux-image-gcp 5.15.0.1031.26 linux-image-generic 5.15.0.69.67 linux-image-generic-64k 5.15.0.69.67 linux-image-generic-lpae 5.15.0.69.67 linux-image-gkeop 5.15.0.1017.16 linux-image-gkeop-5.15 5.15.0.1017.16 linux-image-lowlatency 5.15.0.69.74 linux-image-lowlatency-64k 5.15.0.69.74 linux-image-oracle 5.15.0.1032.27 linux-image-raspi 5.15.0.1026.23 linux-image-raspi-nolpae 5.15.0.1026.23 linux-image-virtual 5.15.0.69.67 Ubuntu 20.04 LTS: linux-image-5.15.0-1031-gcp 5.15.0-1031.38~20.04.1 linux-image-5.15.0-1032-oracle 5.15.0-1032.38~20.04.1 linux-image-5.15.0-1033-aws 5.15.0-1033.37~20.04.1 linux-image-5.15.0-1035-azure 5.15.0-1035.42~20.04.1 linux-image-5.15.0-69-generic 5.15.0-69.76~20.04.1 linux-image-5.15.0-69-generic-64k 5.15.0-69.76~20.04.1 linux-image-5.15.0-69-generic-lpae 5.15.0-69.76~20.04.1 linux-image-5.15.0-69-lowlatency 5.15.0-69.76~20.04.1 linux-image-5.15.0-69-lowlatency-64k 5.15.0-69.76~20.04.1 linux-image-aws 5.15.0.1033.37~20.04.22 linux-image-azure 5.15.0.1035.42~20.04.25 linux-image-gcp 5.15.0.1031.38~20.04.1 linux-image-generic-64k-hwe-20.04 5.15.0.69.76~20.04.30 linux-image-generic-hwe-20.04 5.15.0.69.76~20.04.30 linux-image-generic-lpae-hwe-20.04 5.15.0.69.76~20.04.30 linux-image-lowlatency-64k-hwe-20.04 5.15.0.69.76~20.04.27 linux-image-lowlatency-hwe-20.04 5.15.0.69.76~20.04.27 linux-image-oracle 5.15.0.1032.38~20.04.1 linux-image-virtual-hwe-20.04 5.15.0.69.76~20.04.30 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-5982-1 CVE-2022-2196, CVE-2022-3424, CVE-2022-36280, CVE-2022-41218, CVE-2022-4382, CVE-2022-48423, CVE-2022-48424, CVE-2023-0045, CVE-2023-0210, CVE-2023-0266, CVE-2023-23454, CVE-2023-23455, CVE-2023-23559, CVE-2023-26606, CVE-2023-28328 Package Information: https://launchpad.net/ubuntu/+source/linux/5.15.0-69.76 https://launchpad.net/ubuntu/+source/linux-aws/5.15.0-1033.37 https://launchpad.net/ubuntu/+source/linux-azure/5.15.0-1035.42 https://launchpad.net/ubuntu/+source/linux-azure-fde/5.15.0-1035.42.1 https://launchpad.net/ubuntu/+source/linux-gcp/5.15.0-1031.38 https://launchpad.net/ubuntu/+source/linux-gkeop/5.15.0-1017.22 https://launchpad.net/ubuntu/+source/linux-lowlatency/5.15.0-69.76 https://launchpad.net/ubuntu/+source/linux-oracle/5.15.0-1032.38 https://launchpad.net/ubuntu/+source/linux-raspi/5.15.0-1026.28 https://launchpad.net/ubuntu/+source/linux-aws-5.15/5.15.0-1033.37~20.04.1 https://launchpad.net/ubuntu/+source/linux-azure-5.15/5.15.0-1035.42~20.04.1 https://launchpad.net/ubuntu/+source/linux-gcp-5.15/5.15.0-1031.38~20.04.1 https://launchpad.net/ubuntu/+source/linux-hwe-5.15/5.15.0-69.76~20.04.1 https://launchpad.net/ubuntu/+source/linux-lowlatency-hwe-5.15/5.15.0-69.76~20.04.1 https://launchpad.net/ubuntu/+source/linux-oracle-5.15/5.15.0-1032.38~20.04.1