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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-23083 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: fou: Don't allow 0 for FOU_ATTR_IPPROTO. fou_udp_recv() has the same problem mentioned in the previous patch. If FOU_ATTR_IPPROTO is set to 0, skb is not freed by fou_udp_recv() nor "resubmit"-ted in ip_protocol_deliver_rcu(). Let's forbid 0 for FOU_ATTR_IPPROTO.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://git.kernel.org/stable/c/1cc98b8887cabb1808d2f4a37cd10a7be7574771 kernel.org
https://git.kernel.org/stable/c/611ef4bd9c73d9e6d87bed57a635ff1fdd8c91ea kernel.org
https://git.kernel.org/stable/c/6e983789b7588ee59cbf303583546c043bad8e19 kernel.org
https://git.kernel.org/stable/c/7a9bc9e3f42391e4c187e099263cf7a1c4b69ff5 kernel.org
https://git.kernel.org/stable/c/9b75dff8446ec871030d8daf5a69e74f5fe8b956 kernel.org
https://git.kernel.org/stable/c/b7db31a52c3862a1a32202a273a4c32e7f5f4823 kernel.org
https://git.kernel.org/stable/c/c7498f9bc390479ccfad7c7f2332237ff4945b03 kernel.org

Weakness Enumeration

CWE-ID CWE Name Source

Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-23083
NVD Published Date:
02/04/2026
NVD Last Modified:
02/06/2026
Source:
kernel.org