CVE-2023-0881

Public Exploit
DDoS in Ubuntu package linux-bluefield

Description

Running DDoS on tcp port 22 will trigger a kernel crash. This issue is introduced by the backport of a commit regarding nft_lookup without the subsequent fixes that were introduced after this commit. The resolution of this CVE introduces those commits to the linux-bluefield package.

Categories

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.08%
Affected: Ubuntu Ubuntu package linux-bluefield
Published at:
Updated at:

References

Link Tags
https://bugs.launchpad.net/ubuntu/+source/linux-bluefield/+bug/2006397 issue tracking exploit

Frequently Asked Questions

What is the severity of CVE-2023-0881?
CVE-2023-0881 has been scored as a high severity vulnerability.
How to fix CVE-2023-0881?
To fix CVE-2023-0881, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-0881 being actively exploited in the wild?
It is possible that CVE-2023-0881 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-0881?
CVE-2023-0881 affects Ubuntu Ubuntu package linux-bluefield.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.