CWE
119 190 416 476 362
Advisory Published

USN-5752-1: Linux kernel (Azure CVM) vulnerabilities

First published: Wed Nov 30 2022(Updated: )

David Bouman and Billy Jheng Bing Jhong discovered that a race condition existed in the io_uring subsystem 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-2022-2602) Sönke Huster discovered that an integer overflow vulnerability existed in the WiFi driver stack in the Linux kernel, leading to a buffer overflow. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-41674) Sönke Huster discovered that a use-after-free vulnerability existed in the WiFi driver stack in the Linux kernel. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-42719) Sönke Huster discovered that the WiFi driver stack in the Linux kernel did not properly perform reference counting in some situations, 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-2022-42720) Sönke Huster discovered that the WiFi driver stack in the Linux kernel did not properly handle BSSID/SSID lists in some situations. A physically proximate attacker could use this to cause a denial of service (infinite loop). (CVE-2022-42721) Sönke Huster discovered that the WiFi driver stack in the Linux kernel contained a NULL pointer dereference vulnerability in certain situations. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2022-42722)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-azure-fde<5.15.0.1024.30.5
5.15.0.1024.30.5
=22.04
All of
ubuntu/linux-image-5.15.0-1024-azure-fde<5.15.0-1024.30.1
5.15.0-1024.30.1
=22.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID of this Linux kernel vulnerability?

    The vulnerability ID is CVE-2022-2602.

  • What is the impact of this Linux kernel vulnerability?

    The vulnerability can be used by a local attacker to cause a denial of service (system crash) or possibly execute arbitrary code.

  • Which software versions are affected by this Linux kernel vulnerability?

    The Linux kernel versions 5.15.0.1024.30.5 and 5.15.0-1024.30.1 (linux-image-azure-fde and linux-image-5.15.0-1024-azure-fde) are affected.

  • How can I fix this Linux kernel vulnerability?

    Upgrade to Linux kernel version 5.15.0.1024.30.5 (linux-image-azure-fde) or 5.15.0-1024.30.1 (linux-image-5.15.0-1024-azure-fde) to fix the vulnerability.

  • Where can I find more information about this Linux kernel vulnerability?

    More information about this vulnerability can be found at the following references: [CVE-2022-2602](https://ubuntu.com/security/CVE-2022-2602).

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