Advisory Published

USN-5545-1: Linux kernel (OEM) vulnerability

First published: Tue Aug 02 2022(Updated: )

Arthur Mongodin discovered that the netfilter subsystem in the Linux kernel did not properly perform data validation. A local attacker could use this to escalate privileges in certain situations.

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-oem-22.04<5.17.0.1014.13
5.17.0.1014.13
Ubuntu Ubuntu=22.04
All of
ubuntu/linux-image-5.17.0-1014-oem<5.17.0-1014.15
5.17.0-1014.15
Ubuntu Ubuntu=22.04
All of
ubuntu/linux-image-oem-22.04a<5.17.0.1014.13
5.17.0.1014.13
Ubuntu Ubuntu=22.04
All of
ubuntu/linux-image-oem-20.04c<5.14.0.1046.42
5.14.0.1046.42
Ubuntu Ubuntu=20.04
All of
ubuntu/linux-image-oem-20.04b<5.14.0.1046.42
5.14.0.1046.42
Ubuntu Ubuntu=20.04
All of
ubuntu/linux-image-oem-20.04<5.14.0.1046.42
5.14.0.1046.42
Ubuntu Ubuntu=20.04
All of
ubuntu/linux-image-5.14.0-1046-oem<5.14.0-1046.53
5.14.0-1046.53
Ubuntu Ubuntu=20.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID for this Linux kernel (OEM) vulnerability?

    The vulnerability ID for this Linux kernel (OEM) vulnerability is USN-5545-1.

  • What is the impact of this vulnerability?

    The vulnerability allows a local attacker to escalate privileges in certain situations.

  • Which versions of Ubuntu are affected by this vulnerability?

    Ubuntu versions 22.04 and 20.04 are affected by this vulnerability.

  • How can I fix this vulnerability?

    To fix this vulnerability, update your Linux kernel packages to the recommended versions: 5.17.0.1014.13 for Ubuntu 22.04, and 5.14.0.1046.42 for Ubuntu 20.04.

  • Where can I find more information about this vulnerability?

    You can find more information about this vulnerability at the following references: [CVE-2022-34918](https://ubuntu.com/security/CVE-2022-34918), [USN-5540-1](https://ubuntu.com/security/notices/USN-5540-1), [USN-5544-1](https://ubuntu.com/security/notices/USN-5544-1).

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