CWE
190 416 362 369
Advisory Published

USN-5815-1: Linux kernel (BlueField) vulnerabilities

First published: Thu Jan 19 2023(Updated: )

It was discovered that a race condition existed in the Android Binder IPC 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-2022-20421) David Leadbeater discovered that the netfilter IRC protocol tracking implementation in the Linux Kernel incorrectly handled certain message payloads in some situations. A remote attacker could possibly use this to cause a denial of service or bypass firewall filtering. (CVE-2022-2663) It was discovered that the Intel 740 frame buffer driver in the Linux kernel contained a divide by zero vulnerability. A local attacker could use this to cause a denial of service (system crash). (CVE-2022-3061) It was discovered that the sound subsystem in the Linux kernel contained a race condition in some situations. A local attacker could use this to cause a denial of service (system crash). (CVE-2022-3303) Gwnaun Jung discovered that the SFB packet scheduling 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-2022-3586) It was discovered that the NILFS2 file system implementation in the Linux kernel did not properly deallocate memory in certain error conditions. An attacker could use this to cause a denial of service (memory exhaustion). (CVE-2022-3646) Hyunwoo Kim discovered that an integer overflow vulnerability existed in the PXA3xx graphics driver in the Linux kernel. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2022-39842) It was discovered that a race condition existed in the EFI capsule loader 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-2022-40307) Zheng Wang and Zhuorao Yang discovered that the RealTek RTL8712U wireless driver 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-2022-4095) It was discovered that the USB monitoring (usbmon) component in the Linux kernel did not properly set permissions on memory mapped in to user space processes. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-43750) Jann Horn discovered a race condition existed in the Linux kernel when unmapping VMAs in certain situations, resulting in possible use-after-free vulnerabilities. A local attacker could possibly use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2022-39188)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-bluefield<5.4.0.1054.50
5.4.0.1054.50
=20.04
All of
ubuntu/linux-image-5.4.0-1054-bluefield<5.4.0-1054.60
5.4.0-1054.60
=20.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID?

    The vulnerability ID is CVE-2022-20421.

  • What is the affected software?

    The affected software is the Linux kernel with version 5.4.0.1054.50 (linux-image-bluefield) on Ubuntu 20.04.

  • What is the risk of the vulnerability?

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

  • How can I fix the vulnerability?

    To fix the vulnerability, update your system to the Linux kernel version 5.4.0.1054.50 or later for linux-image-bluefield package on Ubuntu 20.04.

  • Where can I find more information about the vulnerability?

    You can find more information about the vulnerability at the following references: [CVE-2022-39188](https://ubuntu.com/security/CVE-2022-39188), [CVE-2022-3646](https://ubuntu.com/security/CVE-2022-3646), [CVE-2022-2663](https://ubuntu.com/security/CVE-2022-2663).

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