CVE Watch19 oct 2026

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

CVSS

7.8

Alto

EPSS

0.1%

KEV

—

Exploit Today

0-100

Publicado: 24 jun 2026 · Última mod.: 19 oct 2026 · CWE-190

EPSS · 30d

0.1%EPSS · 30 días0.1%

2026-10-052026-11-02

Descripción técnica

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.

Referencias oficiales

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