CVE-2026-74634

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Prevent subbuf order change when resizing is disabled Because ringbuffersubbuforderset frees buffer pages, we can't allow it when resizing is disabled. A non-consuming reader is at risk of use-after-free rbadvanceite...

CVE-2026-74634

This vulnerability affects the Linux kernel ring-buffer subsystem. The root cause is that ring_buffer_subbuf_order_set() frees buffer pages even when resizing is disabled, exposing non-consuming readers to a use-after-free via rb_advance_iter() . The fix returns -EBUSY on resize_disabled, matchin...

CVE-2026-74634 ring-buffer: Prevent subbuf order change when resizing is disabled

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Prevent subbuf order change when resizing is disabled Because ringbuffersubbuforderset frees buffer pages, we can't allow it when resizing is disabled. A non-consuming reader is at risk of use-after-free rbadvanceite...

EUVD-2026-64571

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Prevent subbuf order change when resizing is disabled Because ringbuffersubbuforderset frees buffer pages, we can't allow it when resizing is disabled. A non-consuming reader is at risk of use-after-free rbadvanceite...

PT-2026-79639

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Prevent subbuf order change when resizing is disabled Because ring buffer subbuf order set frees buffer pages, we can't allow it when resizing is disabled. A non-consuming reader is at risk of use-after-free rb advan...

DEBIAN-CVE-2025-38101

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix buffer locking in ringbuffersubbuforderset Enlarge the critical section in ringbuffersubbuforderset to ensure that error handling takes place with per-buffer mutex held, thus preventing list corruption and other...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that originates from improper buffer locking by ring-buffer in ringbuffersubbuforderset...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: Ring-Buffer: Fixed buffer locking in ringbuffersubbuforderset. Expanded the critical section in ringbuffersubbuforderset to ensure that error handling occurs with a per-buffer mutex held, thereby preventing list corruption and...

PT-2025-27688

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A concurrency-related issue in the Linux kernel has been resolved. The problem was related to buffer locking in the ring buffer subbuf order set function. To fix this, the critical...