Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-23083

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 9.9%
CVSS Severity
CVSS v3 Score 7.8
Products affected by CVE-2026-23083


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