CVE-2026-53110

A flaw was found in the Linux kernel's BPF Berkeley Packet Filter JIT Just-In-Time compiler for the s390x architecture. The system's Application Binary Interface ABI requires that unsigned arguments and return values be zero-extended. However, the BPF JIT compiler incorrectly performed only sign...

CVE-2026-53110 s390/bpf: Zero-extend bpf prog return values and kfunc arguments

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...