CVE-2023-0881

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.

Category

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

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?
As for now, there are no information to confirm that CVE-2023-0881 is being actively exploited. 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.
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