NetSight
high7.8

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…

Impact

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.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 6.3 before 6.6.141
from 6.7 before 6.12.91
from 6.13 before 6.18.33
from 6.19 before 7.0.10

Weakness classification

References