CWE
416 362
Advisory Published

USN-5909-1: Linux kernel (Azure CVM) vulnerabilities

First published: Thu Mar 02 2023(Updated: )

It was discovered that the Broadcom FullMAC USB WiFi driver in the Linux kernel did not properly perform bounds checking in some situations. A physically proximate attacker could use this to craft a malicious USB device that when inserted, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-3628) It was discovered that a use-after-free vulnerability existed in the Bluetooth stack in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-3640) Khalid Masum discovered that the NILFS2 file system implementation in the Linux kernel did not properly handle certain error conditions, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. (CVE-2022-3649) It was discovered that a race condition existed in the SMSC UFX USB driver implementation in the Linux kernel, leading to a use-after-free vulnerability. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-41849) It was discovered that a race condition existed in the Roccat HID driver in the Linux kernel, 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-2022-41850) Tamás Koczka discovered that the Bluetooth L2CAP implementation in the Linux kernel did not properly initialize memory in some situations. A physically proximate attacker could possibly use this to expose sensitive information (kernel memory). (CVE-2022-42895) It was discovered that the binder IPC implementation in the Linux kernel contained 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-2023-20928)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-azure-fde<5.4.0.1103.109+cvm1.36
5.4.0.1103.109+cvm1.36
=20.04
All of
ubuntu/linux-image-5.4.0-1103-azure-fde<5.4.0-1103.109+cvm1.1
5.4.0-1103.109+cvm1.1
=20.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID for this advisory?

    The vulnerability ID for this advisory is CVE-2022-41849.

  • What is the severity of CVE-2022-41849?

    The severity of CVE-2022-41849 is not specified in the advisory.

  • What is the remedy for CVE-2022-41849?

    The remedy for CVE-2022-41849 is to upgrade to linux-image-azure-fde version 5.4.0.1103.109+cvm1.36 or higher.

  • What is the affected software for this vulnerability?

    The affected software for this vulnerability is Ubuntu 20.04 with linux-image-azure-fde version 5.4.0.1103.109+cvm1.36.

  • Is there any additional information available for CVE-2022-41849?

    Yes, you can find more information about CVE-2022-41849 on the Ubuntu security advisory linked in the references.

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