CVE-2026-99160

A flaw was found in the Linux kernel's ring buffer subsystem. A local user can exploit this vulnerability to cause a Denial of Service DoS by crashing the kernel. The issue occurs when reading ring buffer metadata files for a central processing unit CPU that has never come online, resulting in a...

CVE-2026-99159

A flaw was found in the Linux kernel's ring-buffer subsystem. A local user can cause a Denial of Service DoS by crashing the system when interacting with persistent ring buffers. Due to an incorrect sub-buffer index calculation, the kernel leaves an entry uninitialized, resulting in a null pointe...

CVE-2026-97617

A flaw was found in the Linux kernel's ring buffer subsystem. A race condition occurs when updating the buffer configuration concurrently with memory mapping operations. Because the kernel applies the new buffer order before verifying that resizing is permitted across all processors, the system c...