softlockup

CVE-2026-43029 is a Linux kernel denial-of-service vulnerability, published by NVD on May 1, 2026, in which Multipath TCP receive handling can spin indefinitely when an application reads with MSG_PEEK | MSG_WAITALL, producing a soft lockup and high availability impact. The bug is not a...

A subtle but consequential Linux-kernel fix landed upstream this spring: CVE-2025-22010 closes a soft‑lockup hazard in the RDMA hns driver that could let a large memory‑region registration (MR) stall CPU cores for tens of seconds, producing real-world denial‑of‑service symptoms on RDMA‑enabled...

The Linux kernel’s ftrace subsystem received a targeted fix for a responsiveness issue that could turn into a local denial‑of‑service: a missing conditional reschedule inside ftrace_graph_set_hash() allowed long loops to hog the CPU and trigger the kernel’s softlockup watchdog under heavy...