Vulnerability · Published Mar 31, 2025 · Assigned by canonical
CVE-2023-0881DDoS in Ubuntu package linux-bluefield
High 7.5
In plain English
A high-severity improper input validation in Ubuntu package linux-bluefield from Ubuntu. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 61.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu | Ubuntu package linux-bluefield | 5.4.0-1001.2 – before 5.4.0-1058.64 |
Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H