Alerts This Week
Warning Icon 1 758
Alerts This Week
Warning Icon 1 758

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

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)

Topics%20covered

Topics Covered

security advisory denial of service security update Ubuntu DoS threat u-boot

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

Topics%20covered

Topics Covered

security advisory denial of service security update Ubuntu DoS threat u-boot

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

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here