CVE-2026-43467

CVE-2026-43467 affects the Linux kernel mlx5_core/mlx5_eswitch stack. Root cause: when moving a device to switchdev mode on a system that does not support IPsec, the code erroneously cleans up IPsec resources, triggering a local crash/DoS. With concrete details from multiple vendors (Red Hat, SUS...

CVE-2026-43464

Summary: CVE-2026-43464 affects the Linux kernel mlx5e driver in XDP multi-buffer scenarios. When XDP programs modify buffer layout via bpf_xdp_pull_data() or bpf_xdp_adjust_tail(), the driver previously failed to count dropped fragments, causing negative page reference counts during cleanup and ...

CVE-2026-43465

CVE-2026-43465: Linux kernel mlx5e XDP multi-buf frag counting flaw. When XDP programs modify the XDP buffer layout (via bpf_xdp_pull_data/bpf_xdp_adjust_tail), the driver failed to count dropped fragments, risking negative page fragment reference counting and potential instability. Public report...

CVE-2026-31459

CVE-2026-31459 affects the Linux kernel DAMON_SYSFS path. The vulnerability is a memory leak: when damon_sysfs_new_test_ctx() fails inside damon_sysfs_commit_input(), param_ctx is leaked because the cleanup at the out label is skipped. The patch series “mm/damon/sysfs: fix memory leak and NULL de...