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Ubuntu Security Notice USN-6495-1

Ubuntu Security Notice 6495-1 - Yu Hao discovered that the UBI driver in the Linux kernel did not properly check for MTD with zero erasesize during device attachment. A local privileged attacker could use this to cause a denial of service. Manfred Rudigier discovered that the Intel PCI-Express Gigabit Ethernet driver in the Linux kernel did not properly validate received frames that are larger than the set MTU size, leading to a buffer overflow vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code.

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#vulnerability#web#amazon#ubuntu#linux#dos#oracle#intel#perl#aws#buffer_overflow#ibm
==========================================================================Ubuntu Security Notice USN-6495-1November 21, 2023linux, linux-aws, linux-aws-5.4, linux-bluefield, 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-zynqmpvulnerabilities==========================================================================A security issue affects these releases of Ubuntu and its derivatives:- Ubuntu 20.04 LTS- Ubuntu 18.04 LTS (Available with Ubuntu Pro)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-bluefield: Linux kernel for NVIDIA BlueField platforms- 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-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 systemsDetails:Yu Hao discovered that the UBI driver in the Linux kernel did not properlycheck for MTD with zero erasesize during device attachment. A localprivileged attacker could use this to cause a denial of service (systemcrash). (CVE-2023-31085)Manfred Rudigier discovered that the Intel(R) PCI-Express Gigabit (igb)Ethernet driver in the Linux kernel did not properly validate receivedframes that are larger than the set MTU size, leading to a buffer overflowvulnerability. An attacker could use this to cause a denial of service(system crash) or possibly execute arbitrary code. (CVE-2023-45871)Update instructions:The problem can be corrected by updating your system to the followingpackage versions:Ubuntu 20.04 LTS:   linux-image-5.4.0-1026-iot      5.4.0-1026.27   linux-image-5.4.0-1034-xilinx-zynqmp  5.4.0-1034.38   linux-image-5.4.0-1061-ibm      5.4.0-1061.66   linux-image-5.4.0-1075-bluefield  5.4.0-1075.81   linux-image-5.4.0-1098-raspi    5.4.0-1098.110   linux-image-5.4.0-1103-kvm      5.4.0-1103.110   linux-image-5.4.0-1113-oracle   5.4.0-1113.122   linux-image-5.4.0-1114-aws      5.4.0-1114.124   linux-image-5.4.0-167-generic   5.4.0-167.184   linux-image-5.4.0-167-generic-lpae  5.4.0-167.184   linux-image-5.4.0-167-lowlatency  5.4.0-167.184   linux-image-aws-lts-20.04       5.4.0.1114.111   linux-image-bluefield           5.4.0.1075.70   linux-image-generic             5.4.0.167.164   linux-image-generic-lpae        5.4.0.167.164   linux-image-ibm-lts-20.04       5.4.0.1061.90   linux-image-kvm                 5.4.0.1103.99   linux-image-lowlatency          5.4.0.167.164   linux-image-oem                 5.4.0.167.164   linux-image-oem-osp1            5.4.0.167.164   linux-image-oracle-lts-20.04    5.4.0.1113.106   linux-image-raspi               5.4.0.1098.128   linux-image-raspi2              5.4.0.1098.128   linux-image-virtual             5.4.0.167.164   linux-image-xilinx-zynqmp       5.4.0.1034.34Ubuntu 18.04 LTS (Available with Ubuntu Pro):   linux-image-5.4.0-1061-ibm      5.4.0-1061.66~18.04.1   linux-image-5.4.0-1098-raspi    5.4.0-1098.110~18.04.2   linux-image-5.4.0-1113-oracle   5.4.0-1113.122~18.04.1   linux-image-5.4.0-1114-aws      5.4.0-1114.124~18.04.1   linux-image-5.4.0-167-generic   5.4.0-167.184~18.04.1   linux-image-5.4.0-167-lowlatency  5.4.0-167.184~18.04.1   linux-image-aws                 5.4.0.1114.92   linux-image-generic-hwe-18.04   5.4.0.167.184~18.04.135   linux-image-ibm                 5.4.0.1061.72   linux-image-lowlatency-hwe-18.04  5.4.0.167.184~18.04.135   linux-image-oem                 5.4.0.167.184~18.04.135   linux-image-oem-osp1            5.4.0.167.184~18.04.135   linux-image-oracle              5.4.0.1113.122~18.04.85   linux-image-raspi-hwe-18.04     5.4.0.1098.95   linux-image-snapdragon-hwe-18.04  5.4.0.167.184~18.04.135   linux-image-virtual-hwe-18.04   5.4.0.167.184~18.04.135After a standard system update you need to reboot your computer to makeall the necessary changes.ATTENTION: Due to an unavoidable ABI change the kernel updates havebeen given a new version number, which requires you to recompile andreinstall 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 performthis as well.References:   https://ubuntu.com/security/notices/USN-6495-1   CVE-2023-31085, CVE-2023-45871Package Information:   https://launchpad.net/ubuntu/+source/linux/5.4.0-167.184   https://launchpad.net/ubuntu/+source/linux-aws/5.4.0-1114.124   https://launchpad.net/ubuntu/+source/linux-bluefield/5.4.0-1075.81   https://launchpad.net/ubuntu/+source/linux-ibm/5.4.0-1061.66   https://launchpad.net/ubuntu/+source/linux-iot/5.4.0-1026.27   https://launchpad.net/ubuntu/+source/linux-kvm/5.4.0-1103.110   https://launchpad.net/ubuntu/+source/linux-oracle/5.4.0-1113.122   https://launchpad.net/ubuntu/+source/linux-raspi/5.4.0-1098.110   https://launchpad.net/ubuntu/+source/linux-xilinx-zynqmp/5.4.0-1034.38

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