bpf: reject negative CO-RE accessor indices in bpf_core_parse_spec()

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CVE-2026-45839

In the Linux kernel, the following vulnerability has been resolved: bpf: reject negative CO-RE accessor indices in bpfcoreparsespec CO-RE accessor strings are colon-separated indices that describe a path from a root BTF type to a target field, e.g. "0:1:2" walks through nested struct members...

CVE-2026-45839 bpf: reject negative CO-RE accessor indices in bpf_core_parse_spec()

In the Linux kernel, the following vulnerability has been resolved: bpf: reject negative CO-RE accessor indices in bpfcoreparsespec CO-RE accessor strings are colon-separated indices that describe a path from a root BTF type to a target field, e.g. "0:1:2" walks through nested struct members...

Important: Red Hat Security Advisory: ACS 4.4 enhancement and security update

Important: Updated images are now available for Red Hat Advanced Cluster Security. Updated images are now available for Red Hat Advanced Cluster Security. The updated image includes new features and bug fixes. This release includes the following features and updates: New Compliance capabilities...

KRIe - Linux Kernel Runtime Integrity With eBPF

KRIe is a research project that aims to detect Linux Kernel exploits with eBPF. KRIe is far from being a bulletproof strategy: from eBPF related limitations to post exploitation detections that might rely on a compromised kernel to emit security events, it is clear that a motivated attacker will...