> CVE-2026-93147

> DESCRIPTION

In the Linux kernel, the following vulnerability has been resolved: s390/bpf: Replace ly instruction with llgf cpu_nr is a 32 bit value and BPF_REG_0 is a 64 bit register, when ly loads the cpu_nr into BPF_REG_0 it does not zero the upper bits, but llgf does.

> AFFECTED_PRODUCTS

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

s390/bpf: Replace ly instruction with llgf

> HISTORIQUE DES MODIFICATIONS

> REFERENCES