Improper input validation in Canonical Linux-Bluefield
CVE-2023-0881
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (34.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Canonical Linux-Bluefield
- Ubuntu Package Linux-Bluefield — versions 5.4.0-1001.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugs.launchpad.net/ubuntu/+source/linux-bluefield/+bug/2006397 (issue-tracking, Exploit, Issue Tracking)
Frequently asked questions
- What is CVE-2023-0881?
- CVE-2023-0881 is a high-severity vulnerability in Canonical Linux-Bluefield, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2025-03-31.
- How severe is CVE-2023-0881?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-0881 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.