1. Ubuntu Security Notices
  2. USN-6523-1

USN-6523-1: u-boot-nezha vulnerability

Publication date

29 November 2023

Overview

Several security issues were fixed in u-boot-nezha.

Releases

Packages

Details

It was discovered that U-Boot incorrectly handled certain USB DFU download
setup packets. A local attacker could use this issue to cause U-Boot to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2022-2347)

Nicolas Bidron and Nicolas Guigo discovered that U-Boot incorrectly handled
certain fragmented IP packets. A local attacker could use this issue to
cause U-Boot to crash, resulting in a denial of service, or possibly
execute arbitrary code. (CVE-2022-30552, CVE-2022-30790)

It was discovered that U-Boot incorrectly handled certain USB DFU download
setup packets. A local attacker could use this issue to cause U-Boot to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2022-2347)

Nicolas Bidron and Nicolas Guigo discovered that U-Boot incorrectly handled
certain fragmented IP packets. A local attacker could use this issue to
cause U-Boot to crash, resulting in a denial of service, or possibly
execute arbitrary code. (CVE-2022-30552, CVE-2022-30790)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
23.04 lunar u-boot-nezha –  2022.10-1089-g528ae9bc6c-0ubuntu1.23.04.2
22.04 jammy u-boot-nezha –  2022.04+git20220405.7446a472-0ubuntu0.4

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References

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