Kernel Crash Vulnerability in Linux-Bluefield Product by Ubuntu
CVE-2023-0881

7.5HIGH

Key Information:

Vendor

Ubuntu

Status
Ubuntu Package Linux-bluefield
Vendor
CVE Published:
31 March 2025

What is CVE-2023-0881?

A vulnerability has been identified in the Linux-Bluefield package, which can lead to a kernel crash when DDoS attacks target TCP port 22. This issue stems from the incorporation of a commit related to nft_lookup, lacking the necessary follow-up fixes introduced post-commit. The problematic backport increases the risk of service disruption, emphasizing the importance of timely updates to mitigate potential threats.

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Affected Version(s)

Ubuntu package linux-bluefield Linux 5.4.0-1001.2 < 5.4.0-1058.64

References

https://bugs.launchpad.net/ubuntu/+source/linux-bluefield...
issue-tracking

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Bodong Wang
Seth Arnold
dann frazier
JSON
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