Advisory Published

USN-5390-2: Linux kernel (Raspberry Pi) vulnerabilities

First published: Tue May 03 2022(Updated: )

David Bouman discovered that the netfilter subsystem in the Linux kernel did not properly validate passed user register indices. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. (CVE-2022-1015) David Bouman discovered that the netfilter subsystem in the Linux kernel did not initialize memory in some situations. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2022-1016) It was discovered that the ST21NFCA NFC driver in the Linux kernel did not properly validate the size of certain data in EVT_TRANSACTION events. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-26490)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-5.15.0-1006-raspi<5.15.0-1006.6
5.15.0-1006.6
=22.04
All of
ubuntu/linux-image-5.15.0-1006-raspi-nolpae<5.15.0-1006.6
5.15.0-1006.6
=22.04
All of
ubuntu/linux-image-raspi<5.15.0.1006.6
5.15.0.1006.6
=22.04
All of
ubuntu/linux-image-raspi-nolpae<5.15.0.1006.6
5.15.0.1006.6
=22.04

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Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-5390-2?

    The severity of USN-5390-2 is moderate.

  • How can a local attacker exploit CVE-2022-1015?

    A local attacker can exploit CVE-2022-1015 by passing user register indices to the netfilter subsystem in the Linux kernel, causing a denial of service or possibly executing arbitrary code.

  • What is the affected software for USN-5390-2?

    The affected software for USN-5390-2 is Ubuntu 22.04 with Linux kernel version 5.15.0-1006.6 or 5.15.0.1006.6.

  • How do I fix USN-5390-2?

    To fix USN-5390-2, update the Ubuntu system to linux-image-5.15.0-1006-raspi version 5.15.0-1006.6 or linux-image-raspi version 5.15.0.1006.6.

  • Where can I find more information about USN-5390-2?

    You can find more information about USN-5390-2 on the Ubuntu security website: [link](https://ubuntu.com/security/CVE-2022-1016)

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