Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-53110

In the Linux kernel, the following vulnerability has been resolved: s390/bpf: Zero-extend bpf prog return values and kfunc arguments s390x ABI requires callers to zero-extend unsigned arguments and sign-extend signed arguments, and callees to zero-extend unsigned return values and sign-extend signed return values. s390 BPF JIT currently implements only sign extension. Fix this omission and implement zero extension too.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 2.2%
CVSS Severity
CVSS v3 Score 7.8
Products affected by CVE-2026-53110


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