CWE
119 190 416
Advisory Published

USN-5831-1: Linux kernel (Azure CVM) vulnerabilities

First published: Fri Jan 27 2023(Updated: )

Kyle Zeng discovered that the sysctl implementation in the Linux kernel contained a stack-based buffer overflow. A local attacker could use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2022-4378) Tamás Koczka discovered that the Bluetooth L2CAP handshake implementation in the Linux kernel contained multiple use-after-free vulnerabilities. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-42896) It was discovered that the Xen netback driver in the Linux kernel did not properly handle packets structured in certain ways. An attacker in a guest VM could possibly use this to cause a denial of service (host NIC availability). (CVE-2022-3643) It was discovered that an integer overflow vulnerability existed in the Bluetooth subsystem in the Linux kernel. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2022-45934)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-azure-fde<5.15.0.1031.38.8
5.15.0.1031.38.8
=22.04
All of
ubuntu/linux-image-5.15.0-1031-azure-fde<5.15.0-1031.38.1
5.15.0-1031.38.1
=22.04

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

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-2022-4378.

  • What is the impact of CVE-2022-4378?

    CVE-2022-4378 can cause a denial of service (system crash) or execute arbitrary code.

  • What is the affected software?

    The affected software is Ubuntu 22.04 with Linux kernel version 5.15.0-1031.38.8 or Linux kernel version 5.15.0-1031.38.1.

  • How can I fix CVE-2022-4378?

    To fix CVE-2022-4378, update the kernel to version 5.15.0.1031.38.8 or version 5.15.0-1031.38.1.

  • Where can I find more information about CVE-2022-4378?

    More information about CVE-2022-4378 can be found at the following link: [CVE-2022-4378](https://ubuntu.com/security/CVE-2022-4378).

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203