CVE-2026-43416

CVE-2026-43416 affects the Linux kernel: a NULL pointer dereference in perf stack tracing when current->mm is released, risking kernel panic during profiling with BPF. The root cause is a missing alive check before retrieving the user callchain for perf_callchain_user (and similar to a prior x...

Linux Distros Unpatched Vulnerability : CVE-2026-43416

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - powerpc, perf: Check that current-mm is alive before getting user callchain It may happen that mm is already released, which leads to kernel panic. This adds th...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the perf subsystem’s failure to check whether current-mm is still alive when retrieving the call...