Linux kernel security vulnerabilities

A security vulnerability exists in Linux kernel version 6.10. It arises because ringbuffermapgetreader misinterprets a NULL returned by rbgetreaderpage as an error, causing the mmap reader to issue false warnings when it encounters a writer still in the process of committing events...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Do not issue a warning in ringbuffermapgetreader when the reader reaches the end of the buffer. The function ringbuffermapgetreader is more stringent than other functions that retrieve readers. Except for certain...

CVE-2025-68186: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Do not warn in ringbuffermapgetreader when reader catches up The function ringbuffermapgetreader is a bit more strict than the other get reader functions, and except for certain situations the rbgetreaderpage should...

Linux kernel trace ring buffer Heap Buffer Overflow DoS

The vulnerability of the rbgetreaderpage function in the kernel/trace/ringbuffer.c file of the Linux operating system is related to the use of memory after it is freed. Exploiting this vulnerability could allow an attacker to cause a service failure...

SUSE CVE-2024-38601

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix a race between readers and resize checks The reader code in rbgetreaderpage swaps a new reader page into the ring buffer by doing cmpxchg on old-list.prev-next to point it to the new page. Following that, if the...

CVE-2024-38601: Concurrent Execution using Shared Resource with Improper Synchronization

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix a race between readers and resize checks The reader code in rbgetreaderpage swaps a new reader page into the ring buffer by doing cmpxchg on old-list.prev-next to point it to the new page. Following that, if the...