OESA-2025-1540 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: bpf: track changespktdata property for global functions When processing calls to certain helpers, verifier invalidates all packet pointers in a current state. Fo...

UBUNTU-CVE-2024-58100

In the Linux kernel, the following vulnerability has been resolved: bpf: check changespktdata property for extension programs When processing calls to global sub-programs, verifier decides whether to invalidate all packet pointers in current state depending on the changespktdata property of the...

CVE-2024-58237

CVE-2024-58237 affects the Linux kernel’s BPF tail calls: tail-called programs may trigger helpers that invalidate packet pointers. The fix alters bpf_helper_changes_pkt_data() to align with check_cfg() so that global sub-program changes are considered, enabling safe replacement of not-safe tail ...