https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Thu, 01 Oct 2026 05:17:16 +0000 https://vulnerability.circl.lu/vuln/cve-2025-38539 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>tracing: Add down_write(trace_event_sem) when adding trace event</p> <p>When a module is loaded, it adds trace events defined by the module. It may also need to modify the modules trace printk formats to replace enum names with their values.</p> <p>If two modules are loaded at the same time, the adding of the event to the ftrace_events list can corrupt the walking of the list in the code that is modifying the printk format strings and crash the kernel.</p> <p>The addition of the event should take the trace_event_sem for write while it adds the new event.</p> <p>Also add a lockdep_assert_held() on that semaphore in __trace_add_event_dirs() as it iterates the list.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>tracing: Add down_write(trace_event_sem) when adding trace event</p> <p>When a module is loaded, it adds trace events defined by the module. It may also need to modify the modules trace printk formats to replace enum names with their values.</p> <p>If two modules are loaded at the same time, the adding of the event to the ftrace_events list can corrupt the walking of the list in the code that is modifying the printk format strings and crash the kernel.</p> <p>The addition of the event should take the trace_event_sem for write while it adds the new event.</p> <p>Also add a lockdep_assert_held() on that semaphore in __trace_add_event_dirs() as it iterates the list.</p> https://vulnerability.circl.lu/vuln/cve-2025-38539