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172
security advisorykernelubuntuUbuntu: 6975-1 Critical Advisory: Linux Kernel Security Flaws
Several security issues were fixed in the Linux kernel.. ========================================================================== Ubuntu Security Notice USN-6975-1 August 21, 2024 linux, linux-aws, linux-azure, linux-gcp, linux-gke, linux-ibm, linux-lowlatency, linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency, linux-oem-6.8, linux-oracle, linux-raspi vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 24.04 LTS - Ubuntu 22.04 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-gcp: Linux kernel for Google Cloud Platform (GCP) systems - linux-gke: Linux kernel for Google Container Engine (GKE) systems - linux-ibm: Linux kernel for IBM cloud systems - linux-lowlatency: Linux low latency kernel - linux-nvidia: Linux kernel for NVIDIA systems - linux-nvidia-lowlatency: Linux low latency kernel for NVIDIA systems - linux-oem-6.8: Linux kernel for OEM systems - linux-oracle: Linux kernel for Oracle Cloud systems - linux-raspi: Linux kernel for Raspberry Pi systems - linux-nvidia-6.8: Linux kernel for NVIDIA systems Details: 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: - User-Mode Linux (UML); - MMC subsystem; (CVE-2024-39292, CVE-2024-39484) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 24.04 LTS linux-image-6.8.0-1009-gke 6.8.0-1009.12 linux-image-6.8.0-1010-raspi 6.8.0-1010.11 linux-image-6.8.0-1011-ibm 6.8.0-1011.11 linux-image-6.8.0-1011-oem 6.8.0-1011.11 linux-image-6.8.0-1011-oracle 6.8.0-1011.11 linux-image-6.8.0-1011-oracle-64k 6.8.0-1011.11 linux-image-6.8.0-1012-nvidia 6.8.0-1012.12 linux-image-6.8.0-1012-nvidia-64k 6.8.0-1012.12 linux-image-6.8.0-1012-nvidia-lowlatency 6.8.0-1012.12.1 linux-image-6.8.0-1012-nvidia-lowlatency-64k 6.8.0-1012.12.1 linux-image-6.8.0-1013-azure 6.8.0-1013.15 linux-image-6.8.0-1013-azure-fde 6.8.0-1013.15 linux-image-6.8.0-1013-gcp 6.8.0-1013.14 linux-image-6.8.0-1014-aws 6.8.0-1014.15 linux-image-6.8.0-41-generic 6.8.0-41.41 linux-image-6.8.0-41-generic-64k 6.8.0-41.41 linux-image-6.8.0-41-lowlatency 6.8.0-41.41.1 linux-image-6.8.0-41-lowlatency-64k 6.8.0-41.41.1 linux-image-aws 6.8.0-1014.15 linux-image-azure 6.8.0-1013.15 linux-image-azure-fde 6.8.0-1013.15 linux-image-gcp 6.8.0-1013.14 linux-image-generic 6.8.0-41.41 linux-image-generic-64k 6.8.0-41.41 linux-image-generic-64k-hwe-24.04 6.8.0-41.41 linux-image-generic-hwe-24.04 6.8.0-41.41 linux-image-generic-lpae 6.8.0-41.41 linux-image-gke 6.8.0-1009.12 linux-image-ibm 6.8.0-1011.11 linux-image-ibm-classic 6.8.0-1011.11 linux-image-ibm-lts-24.04 6.8.0-1011.11 linux-image-kvm 6.8.0-41.41 linux-image-lowlatency 6.8.0-41.41.1 linux-image-lowlatency-64k 6.8.0-41.41.1 linux-image-nvidia 6.8.0-1012.12 linux-image-nvidia-64k 6.8.0-1012.12 linux-image-nvidia-lowlatency 6.8.0-1012.12.1 linux-image-nvidia-lowlatency-64k 6.8.0-1012.12.1 linux-image-oem-24.04 6.8.0-1011.11 linux-image-oem-24.04a 6.8.0-1011.11 linux-image-oracle 6.8.0-1011.11 linux-image-oracle-64k 6.8.0-1011.11 linux-image-raspi 6.8.0-1010.11 linux-image-virtual 6.8.0-41.41 linux-image-virtual-hwe-24.04 6.8.0-41.41 Ubuntu 22.04 LTS linux-image-6.8.0-1012-nvidia 6.8.0-1012.12~22.04.1 linux-image-6.8.0-1012-nvidia-64k 6.8.0-1012.12~22.04.1 linux-image-nvidia-6.8 6.8.0-1012.12~22.04.1 linux-image-nvidia-64k-6.8 6.8.0-1012.12~22.04.1 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-6975-1 CVE-2024-39292, CVE-2024-39484 Package Information: https://launchpad.net/ubuntu/+source/linux-azure/6.8.0-1013.15 https://launchpad.net/ubuntu/+source/linux-gcp/6.8.0-1013.14 https://launchpad.net/ubuntu/+source/linux-gke/6.8.0-1009.12 https://launchpad.net/ubuntu/+source/linux-ibm/6.8.0-1011.11 https://launchpad.net/ubuntu/+source/linux-nvidia/6.8.0-1012.12 https://launchpad.net/ubuntu/+source/linux-nvidia-lowlatency/6.8.0-1012.12.1 https://launchpad.net/ubuntu/+source/linux-oracle/6.8.0-1011.11 https://launchpad.net/ubuntu/+source/linux-raspi/6.8.0-1010.11 . Recent patches tackle several vulnerabilities in Ubuntu's Linux kernel, impacting a range of devices with significant security implications.. Ubuntu Security, Kernel Updates, Linux Kernel Security. . Severity: Critical. LinuxSecurity.com Team
Aug 21, 2024
•Critical
Ubuntu
172
security advisorydenial of serviceUbuntuUbuntu 20.04 LTS: 0093-1 Critical: Linux Kernel Denial of Service
Several security issues were fixed in the kernel.. Linux kernel vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 ESM - Ubuntu 22.04 LTS Summary Several security issues were fixed in the 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-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-oem - Linux kernel for OEM systems Details Davide Ornaghi discovered that the netfilter subsystem in the Linux kernel did not properly handle VLAN headers in some situations. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-0179) It was discovered that the Upper Level Protocol (ULP) subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, 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-2023-0461) Update instructions The problem can be corrected by updating your kernel livepatch to the following versions: Ubuntu 20.04 LTS aws - 93.1 azure - 93.1 gcp - 93.1 gcp - 93.2 generic - 93.1 gke - 93.1 gke - 93.2 gkeop - 93.1 ibm - 93.1 lowlatency - 93.1 Ubuntu 18.04 LTS aws - 93.1 azure - 93.1 gcp - 93.1 generic - 93.1 gke - 93.1 gkeop - 93.1 lowlatency - 93.1 oem - 93.1 Ubuntu 16.04 ESM aws - 93.1 azure - 93.1 gcp - 93.1 generic - 93.1 lowlatency - 93.1 Ubuntu 22.04 LTS aws - 93.1 azure - 93.1 gcp - 93.1 generic - 93.1 gke - 93.1 ibm - 93.1 Support Information Kernels older than the levels listed below do not receive livepatch updates. If you are running a kernel version earlier than the one listed below, please upgrade your kernel as soon as possible. Ubuntu 20.04 LTS linux-aws-5.15 - 5.15.0-1000 linux-aws - 5.4.0-1009 linux-aws - 5.4.0-1061 linux-azure-5.15 - 5.15.0-1069 linux-azure - 5.4.0-1010 linux-gcp-5.15 - 5.15.0-1000 linux-gcp - 5.4.0-1009 linux-gke-5.15 - 5.15.0-1000 linux-gke - 5.4.0-1033 linux-gkeop - 5.4.0-1009 linux-hwe - 5.15.0-0 linux-ibm-5.15 - 5.15.0-1000 linux-ibm - 5.4.0-1009 linux-oem - 5.4.0-26 linux - 5.4.0-26 Ubuntu 18.04 LTS linux-aws-5.4 - 5.4.0-1069 linux-aws - 4.15.0-1054 linux-aws - 4.15.0-1119 linux-azure-4.15 - 4.15.0-1115 linux-azure-5.4 - 5.4.0-1069 linux-gcp-4.15 - 4.15.0-1121 linux-gcp-5.4 - 5.4.0-1069 linux-gke-4.15 - 4.15.0-1076 linux-gke-5.4 - 5.4.0-1009 linux-gkeop-5.4 - 5.4.0-1007 linux-hwe-5.4 - 5.4.0-26 linux-ibm-5.4 - 5.4.0-1009 linux-oem - 4.15.0-1063 linux - 4.15.0-69 Ubuntu 16.04 ESM linux-aws-hwe - 4.15.0-1126 linux-aws - 4.4.0-1098 linux-aws - 4.4.0-1129 linux-azure - 4.15.0-1063 linux-azure - 4.15.0-1078 linux-azure - 4.15.0-1114 linux-gcp - 4.15.0-1118 linux-hwe - 4.15.0-143 linux-hwe - 4.15.0-69 linux - 4.4.0-168 linux - 4.4.0-211 Ubuntu 22.04 LTS linux-aws - 5.15.0-1000 linux-azure - 5.15.0-1000 linux-gcp - 5.15.0-1000 linux-gke - 5.15.0-1000 linux-ibm - 5.15.0-1000 linux - 5.15.0-24 linux - 5.15.0-25 Ubuntu 14.04 ESM linux-lts-xenial - 4.4.0-168 References - CVE-2023-0179 - CVE-2023-0461 . Important kernel vulnerabilities resolved in Ubuntu impacting various editions. Update promptly to maintain system security.. Ubuntu Kernel Security, Linux Kernel Update, Denial of Service Patch. . Severity: Critical. LinuxSecurity.com Team
Mar 27, 2023
•Critical
Ubuntu
172
security advisorydenial of serviceubuntuUbuntu 20.04 LTS: USN-5294-2 Critical: Kernel Denial of Service
Several security issues were fixed in the Linux kernel.. =========================================================================Ubuntu Security Notice USN-5294-2 February 22, 2022 linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-azure-fde, linux-gcp, linux-gcp-5.4, linux-gkeop, linux-gkeop-5.4, linux-hwe-5.4, linux-ibm, linux-ibm-5.4 linux-oracle, linux-oracle-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-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-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-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-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 Details: It was discovered that the Packet network protocol implementation in the Linux kernel contained a double-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-22600) Szymon Heidrich discovered that the USB Gadget subsystem in the Linux kernel did not properly restrict the size of control requests for certain gadget types, leading to possible outof bounds reads or writes. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-39685) Jann Horn discovered a race condition in the Unix domain socket implementation in the Linux kernel that could result in a read-after-free. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-4083) Kirill Tkhai discovered that the XFS file system implementation in the Linux kernel did not calculate size correctly when pre-allocating space in some situations. A local attacker could use this to expose sensitive information. (CVE-2021-4155) Lin Ma discovered that the NFC Controller Interface (NCI) implementation in the Linux kernel contained a race condition, 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-2021-4202) Brendan Dolan-Gavitt discovered that the aQuantia AQtion Ethernet device driver in the Linux kernel did not properly validate meta-data coming from the device. A local attacker who can control an emulated device can use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-43975) Sushma Venkatesh Reddy discovered that the Intel i915 graphics driver in the Linux kernel did not perform a GPU TLB flush in some situations. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. (CVE-2022-0330) It was discovered that the VMware Virtual GPU driver in the Linux kernel did not properly handle certain failure conditions, leading to a stale entry in the file descriptor table. A local attacker could use this to expose sensitive information or possibly gain administrative privileges. (CVE-2022-22942) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: linux-image-5.4.0-1015-ibm 5.4.0-1015.16 linux-image-5.4.0-1034-gkeop 5.4.0-1034.35 linux-image-5.4.0-1056-kvm 5.4.0-1056.58 linux-image-5.4.0-1064-oracle 5.4.0-1064.68 linux-image-5.4.0-1065-gcp 5.4.0-1065.69 linux-image-5.4.0-1066-aws 5.4.0-1066.69 linux-image-5.4.0-1070-azure 5.4.0-1070.73 linux-image-5.4.0-1070-azure-fde 5.4.0-1070.73+cvm1.1 linux-image-aws-lts-20.04 5.4.0.1066.68 linux-image-azure-fde 5.4.0.1070.73+cvm1.16 linux-image-azure-lts-20.04 5.4.0.1070.68 linux-image-gcp-lts-20.04 5.4.0.1065.75 linux-image-gkeop 5.4.0.1034.37 linux-image-gkeop-5.4 5.4.0.1034.37 linux-image-ibm 5.4.0.1015.16 linux-image-ibm-lts-20.04 5.4.0.1015.16 linux-image-kvm 5.4.0.1056.55 linux-image-oracle-lts-20.04 5.4.0.1064.64 Ubuntu 18.04 LTS: linux-image-5.4.0-100-generic 5.4.0-100.113~18.04.1 linux-image-5.4.0-100-generic-lpae 5.4.0-100.113~18.04.1 linux-image-5.4.0-100-lowlatency 5.4.0-100.113~18.04.1 linux-image-5.4.0-1015-ibm 5.4.0-1015.16~18.04.1 linux-image-5.4.0-1034-gkeop 5.4.0-1034.35~18.04.1 linux-image-5.4.0-1064-oracle 5.4.0-1064.68~18.04.1 linux-image-5.4.0-1065-gcp 5.4.0-1065.69~18.04.1 linux-image-5.4.0-1070-azure 5.4.0-1070.73~18.04.1 linux-image-aws 5.4.0.1066.48 linux-image-azure 5.4.0.1070.49 linux-image-gcp 5.4.0.1065.50 linux-image-generic-hwe-18.04 5.4.0.100.113~18.04.87 linux-image-generic-lpae-hwe-18.04 5.4.0.100.113~18.04.87 linux-image-gkeop-5.4 5.4.0.1034.35~18.04.34 linux-image-ibm 5.4.0.1015.32 linux-image-lowlatency-hwe-18.04 5.4.0.100.113~18.04.87 linux-image-oem 5.4.0.100.113~18.04.87 linux-image-oem-osp1 5.4.0.100.113~18.04.87 linux-image-oracle 5.4.0.1064.68~18.04.43 linux-image-snapdragon-hwe-18.04 5.4.0.100.113~18.04.87 linux-image-virtual-hwe-18.04 5.4.0.100.113~18.04.87 After a standard systemupdate 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-5294-2 https://ubuntu.com/security/notices/USN-5294-1 CVE-2021-22600, CVE-2021-39685, CVE-2021-4083, CVE-2021-4155, CVE-2021-4202, CVE-2021-43975, CVE-2022-0330, CVE-2022-22942 Package Information: https://launchpad.net/ubuntu/+source/linux-aws/5.4.0-1066.69 https://launchpad.net/ubuntu/+source/linux-azure/5.4.0-1070.73 https://launchpad.net/ubuntu/+source/linux-azure-fde/5.4.0-1070.73+cvm1.1 https://launchpad.net/ubuntu/+source/linux-gcp/5.4.0-1065.69 https://launchpad.net/ubuntu/+source/linux-gkeop/5.4.0-1034.35 https://launchpad.net/ubuntu/+source/linux-ibm/5.4.0-1015.16 https://launchpad.net/ubuntu/+source/linux-kvm/5.4.0-1056.58 https://launchpad.net/ubuntu/+source/linux-oracle/5.4.0-1064.68 https://launchpad.net/ubuntu/+source/linux-aws-5.4/5.4.0-1066.69~18.04.1 https://launchpad.net/ubuntu/+source/linux-azure-5.4/5.4.0-1070.73~18.04.1 https://launchpad.net/ubuntu/+source/linux-gcp-5.4/5.4.0-1065.69~18.04.1 https://launchpad.net/ubuntu/+source/linux-gkeop-5.4/5.4.0-1034.35~18.04.1 https://launchpad.net/ubuntu/+source/linux-hwe-5.4/5.4.0-100.113~18.04.1 https://launchpad.net/ubuntu/+source/linux-ibm-5.4/5.4.0-1015.16~18.04.1 https://launchpad.net/ubuntu/+source/linux-oracle-5.4/5.4.0-1064.68~18.04.1 . Important vulnerabilities addressed in Ubuntu 20.04 LTS and 18.04 LTS Linux kernel versions; mandatory upgrade guidelines included.. Linux Kernel Update, Ubuntu Security Advisory, Cloud Systems Update. . Severity: Critical.LinuxSecurity.com Team
Feb 22, 2022
•Critical
Ubuntu
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