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Ubuntu Security Notice USN-6724-2

Ubuntu Security Notice 6724-2 - Pratyush Yadav discovered that the Xen network backend implementation in the Linux kernel did not properly handle zero length data request, leading to a null pointer dereference vulnerability. An attacker in a guest VM could possibly use this to cause a denial of service. It was discovered that the Habana’s AI Processors driver in the Linux kernel did not properly initialize certain data structures before passing them to user space. A local attacker could use this to expose sensitive information.

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==========================================================================Ubuntu Security Notice USN-6724-2April 16, 2024linux-aws-6.5, linux-raspi vulnerabilities==========================================================================A security issue affects these releases of Ubuntu and its derivatives:- Ubuntu 23.10- Ubuntu 22.04 LTSSummary:Several security issues were fixed in the Linux kernel.Software Description:- linux-raspi: Linux kernel for Raspberry Pi systems- linux-aws-6.5: Linux kernel for Amazon Web Services (AWS) systemsDetails:Pratyush Yadav discovered that the Xen network backend implementation inthe Linux kernel did not properly handle zero length data request, leadingto a null pointer dereference vulnerability. An attacker in a guest VMcould possibly use this to cause a denial of service (host domain crash).(CVE-2023-46838)It was discovered that the Habana's AI Processors driver in the Linuxkernel did not properly initialize certain data structures before passingthem to user space. A local attacker could use this to expose sensitiveinformation (kernel memory). (CVE-2023-50431)It was discovered that the device mapper driver in the Linux kernel did notproperly validate target size during certain memory allocations. A localattacker could use this to cause a denial of service (system crash).(CVE-2023-52429, CVE-2024-23851)It was discovered that the CIFS network file system implementation in theLinux kernel did not properly validate certain SMB messages, leading to anout-of-bounds read vulnerability. An attacker could use this to cause adenial of service (system crash) or possibly expose sensitive information.(CVE-2023-6610)Yang Chaoming discovered that the KSMBD implementation in the Linux kerneldid not properly validate request buffer sizes, leading to an out-of-boundsread vulnerability. An attacker could use this to cause a denial of service(system crash) or possibly expose sensitive information. (CVE-2024-22705)Chenyuan Yang discovered that the btrfs file system in the Linux kernel didnot properly handle read operations on newly created subvolumes in certainconditions. A local attacker could use this to cause a denial of service(system crash). (CVE-2024-23850)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:   - Android drivers;   - Userspace I/O drivers;   - F2FS file system;   - SMB network file system;   - Networking core;(CVE-2023-52434, CVE-2023-52436, CVE-2023-52435, CVE-2023-52439,CVE-2023-52438)Update instructions:The problem can be corrected by updating your system to the followingpackage versions:Ubuntu 23.10:   linux-image-6.5.0-1014-raspi    6.5.0-1014.17   linux-image-raspi               6.5.0.1014.15   linux-image-raspi-nolpae        6.5.0.1014.15Ubuntu 22.04 LTS:   linux-image-6.5.0-1017-aws      6.5.0-1017.17~22.04.2   linux-image-aws                 6.5.0.1017.17~22.04.2After 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-6724-2   https://ubuntu.com/security/notices/USN-6724-1   CVE-2023-46838, CVE-2023-50431, CVE-2023-52429, CVE-2023-52434,   CVE-2023-52435, CVE-2023-52436, CVE-2023-52438, CVE-2023-52439,   CVE-2023-6610, CVE-2024-22705, CVE-2024-23850, CVE-2024-23851Package Information:   https://launchpad.net/ubuntu/+source/linux-raspi/6.5.0-1014.17   https://launchpad.net/ubuntu/+source/linux-aws-6.5/6.5.0-1017.17~22.04.2

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Ubuntu Security Notice 6724-1 - Pratyush Yadav discovered that the Xen network backend implementation in the Linux kernel did not properly handle zero length data request, leading to a null pointer dereference vulnerability. An attacker in a guest VM could possibly use this to cause a denial of service. It was discovered that the Habana's AI Processors driver in the Linux kernel did not properly initialize certain data structures before passing them to user space. A local attacker could use this to expose sensitive information.

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Ubuntu Security Notice 6724-1 - Pratyush Yadav discovered that the Xen network backend implementation in the Linux kernel did not properly handle zero length data request, leading to a null pointer dereference vulnerability. An attacker in a guest VM could possibly use this to cause a denial of service. It was discovered that the Habana's AI Processors driver in the Linux kernel did not properly initialize certain data structures before passing them to user space. A local attacker could use this to expose sensitive information.

Ubuntu Security Notice USN-6724-1

Ubuntu Security Notice 6724-1 - Pratyush Yadav discovered that the Xen network backend implementation in the Linux kernel did not properly handle zero length data request, leading to a null pointer dereference vulnerability. An attacker in a guest VM could possibly use this to cause a denial of service. It was discovered that the Habana's AI Processors driver in the Linux kernel did not properly initialize certain data structures before passing them to user space. A local attacker could use this to expose sensitive information.

Ubuntu Security Notice USN-6724-1

Ubuntu Security Notice 6724-1 - Pratyush Yadav discovered that the Xen network backend implementation in the Linux kernel did not properly handle zero length data request, leading to a null pointer dereference vulnerability. An attacker in a guest VM could possibly use this to cause a denial of service. It was discovered that the Habana's AI Processors driver in the Linux kernel did not properly initialize certain data structures before passing them to user space. A local attacker could use this to expose sensitive information.

Ubuntu Security Notice USN-6701-3

Ubuntu Security Notice 6701-3 - Ruihan Li discovered that the bluetooth subsystem in the Linux kernel did not properly perform permissions checks when handling HCI sockets. A physically proximate attacker could use this to cause a denial of service. It was discovered that the NVIDIA Tegra XUSB pad controller driver in the Linux kernel did not properly handle return values in certain error conditions. A local attacker could use this to cause a denial of service.

Ubuntu Security Notice USN-6701-2

Ubuntu Security Notice 6701-2 - Ruihan Li discovered that the bluetooth subsystem in the Linux kernel did not properly perform permissions checks when handling HCI sockets. A physically proximate attacker could use this to cause a denial of service. It was discovered that the NVIDIA Tegra XUSB pad controller driver in the Linux kernel did not properly handle return values in certain error conditions. A local attacker could use this to cause a denial of service.

Ubuntu Security Notice USN-6701-1

Ubuntu Security Notice 6701-1 - Ruihan Li discovered that the bluetooth subsystem in the Linux kernel did not properly perform permissions checks when handling HCI sockets. A physically proximate attacker could use this to cause a denial of service. It was discovered that the NVIDIA Tegra XUSB pad controller driver in the Linux kernel did not properly handle return values in certain error conditions. A local attacker could use this to cause a denial of service.

Ubuntu Security Notice USN-6688-1

Ubuntu Security Notice 6688-1 - Pratyush Yadav discovered that the Xen network backend implementation in the Linux kernel did not properly handle zero length data request, leading to a null pointer dereference vulnerability. An attacker in a guest VM could possibly use this to cause a denial of service. It was discovered that the Habana's AI Processors driver in the Linux kernel did not properly initialize certain data structures before passing them to user space. A local attacker could use this to expose sensitive information.

Ubuntu Security Notice USN-6688-1

Ubuntu Security Notice 6688-1 - Pratyush Yadav discovered that the Xen network backend implementation in the Linux kernel did not properly handle zero length data request, leading to a null pointer dereference vulnerability. An attacker in a guest VM could possibly use this to cause a denial of service. It was discovered that the Habana's AI Processors driver in the Linux kernel did not properly initialize certain data structures before passing them to user space. A local attacker could use this to expose sensitive information.

Ubuntu Security Notice USN-6688-1

Ubuntu Security Notice 6688-1 - Pratyush Yadav discovered that the Xen network backend implementation in the Linux kernel did not properly handle zero length data request, leading to a null pointer dereference vulnerability. An attacker in a guest VM could possibly use this to cause a denial of service. It was discovered that the Habana's AI Processors driver in the Linux kernel did not properly initialize certain data structures before passing them to user space. A local attacker could use this to expose sensitive information.

Ubuntu Security Notice USN-6688-1

Ubuntu Security Notice 6688-1 - Pratyush Yadav discovered that the Xen network backend implementation in the Linux kernel did not properly handle zero length data request, leading to a null pointer dereference vulnerability. An attacker in a guest VM could possibly use this to cause a denial of service. It was discovered that the Habana's AI Processors driver in the Linux kernel did not properly initialize certain data structures before passing them to user space. A local attacker could use this to expose sensitive information.

Ubuntu Security Notice USN-6688-1

Ubuntu Security Notice 6688-1 - Pratyush Yadav discovered that the Xen network backend implementation in the Linux kernel did not properly handle zero length data request, leading to a null pointer dereference vulnerability. An attacker in a guest VM could possibly use this to cause a denial of service. It was discovered that the Habana's AI Processors driver in the Linux kernel did not properly initialize certain data structures before passing them to user space. A local attacker could use this to expose sensitive information.

Ubuntu Security Notice USN-6688-1

Ubuntu Security Notice 6688-1 - Pratyush Yadav discovered that the Xen network backend implementation in the Linux kernel did not properly handle zero length data request, leading to a null pointer dereference vulnerability. An attacker in a guest VM could possibly use this to cause a denial of service. It was discovered that the Habana's AI Processors driver in the Linux kernel did not properly initialize certain data structures before passing them to user space. A local attacker could use this to expose sensitive information.

Red Hat Security Advisory 2024-1248-03

Red Hat Security Advisory 2024-1248-03 - An update for kernel is now available for Red Hat Enterprise Linux 9. Issues addressed include null pointer, out of bounds access, out of bounds read, out of bounds write, privilege escalation, and use-after-free vulnerabilities.

Red Hat Security Advisory 2024-0897-03

Red Hat Security Advisory 2024-0897-03 - An update for kernel is now available for Red Hat Enterprise Linux 8. Issues addressed include null pointer, out of bounds access, out of bounds read, out of bounds write, and use-after-free vulnerabilities.

Red Hat Security Advisory 2024-0881-03

Red Hat Security Advisory 2024-0881-03 - An update for kernel-rt is now available for Red Hat Enterprise Linux 8. Issues addressed include null pointer, out of bounds access, out of bounds read, out of bounds write, and use-after-free vulnerabilities.

Ubuntu Security Notice USN-6639-1

Ubuntu Security Notice 6639-1 - It was discovered that a race condition existed in the ATM subsystem of the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that a race condition existed in the AppleTalk networking subsystem of the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

Red Hat Security Advisory 2024-0725-03

Red Hat Security Advisory 2024-0725-03 - An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. Issues addressed include null pointer, out of bounds access, out of bounds read, and use-after-free vulnerabilities.

Red Hat Security Advisory 2024-0723-03

Red Hat Security Advisory 2024-0723-03 - An update for kernel is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. Issues addressed include null pointer, out of bounds access, out of bounds read, and use-after-free vulnerabilities.

CVE-2023-50431: [PATCH] habanalabs: fix information leak in sec_attest_info()

sec_attest_info in drivers/accel/habanalabs/common/habanalabs_ioctl.c in the Linux kernel through 6.6.5 allows an information leak to user space because info->pad0 is not initialized.

CVE-2023-6610: cve-details

An out-of-bounds read vulnerability was found in smb2_dump_detail in fs/smb/client/smb2ops.c in the Linux Kernel. This issue could allow a local attacker to crash the system or leak internal kernel information.

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