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Ubuntu: 23.04 & 22.04 LTS USN-6523-1 critical: U-Boot DoS issues

ubuntu
Calendar Grey November 29, 2023
Dist Ubuntu Esm H88
Ensure your Ubuntu systems (22.04 and 23.04) are secure from u-boot-nezha vulnerabilities. Regularly check for security updates and apply them promptly to safeguard against potential exploits.
Several security issues were fixed in u-boot-nezha.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.04 - Ubuntu 22.04 LTS Summary: Several security issues were fixed in u-boot-nezha. Software Description: - u-boot-nezha: U-Boot for Allwinner Nezha board 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)

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 23.04: u-boot-nezha 2022.10-1089-g528ae9bc6c-0ubuntu1.23.04.2 Ubuntu 22.04 LTS: u-boot-nezha 2022.04+git20220405.7446a472-0ubuntu0.4 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6523-1

CVE-2022-2347, CVE-2022-30552, CVE-2022-30790

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6523-1

Package Information

https://launchpad.net/ubuntu/+source/u-boot-nezha/2022.10-1089-g528ae9bc6c-0ubuntu1.23.04.2 https://launchpad.net/ubuntu/+source/u-boot-nezha/2022.04+git20220405.7446a472-0ubuntu0.4

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