EUVD-2026-76659

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix use-after-free in tracepipe read on sub-buffer order change Writing to buffersubbufsizekb calls ringbuffersubbuforderset, which frees every sub-buffer of the ring buffer, including the reader page, and replaces them...

CVE-2026-89747

CVE-2026-89747 is a use-after-free in the Linux kernel's tracing subsystem , specifically in the ring buffer's interaction with trace_pipe readers. When a writer changes the sub-buffer order via buffer_subbuf_size_kb, ring_buffer_subbuf_order_set() frees all sub-buffers including the reader page....

CVE-2026-89747 tracing: Fix use-after-free in trace_pipe read on sub-buffer order change

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix use-after-free in tracepipe read on sub-buffer order change Writing to buffersubbufsizekb calls ringbuffersubbuforderset, which frees every sub-buffer of the ring buffer, including the reader page, and replaces them...

The vulnerability in the kernel/trace/ring_buffer.c component of the Linux operating system allows a hacker to trigger a service failure.

The vulnerability in the kernel/trace/ringbuffer.c component of the Linux operating system is related to the use of memory after it has been freed. Exploiting this vulnerability can allow an attacker to cause a service failure...