Unity Linux 20.1070a Security Update: kernel (UTSA-2026-146260)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-146260 advisory. In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Use currentcontext for safe per-CPU buffer swap The ringbufferswapcpu function...

Unity Linux 20.1020e / 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-142525)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-142525 advisory. In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Use currentcontext for safe per-CPU buffer swap The ringbufferswapcpu function...

CVE-2026-74601

A flaw was found in the Linux kernel's ring-buffer component. A race condition exists within the ringbufferswapcpu function, where a committing counter can temporarily drop to zero during a write operation. This allows a buffer swap to occur while a write is still in progress, resulting in an...

CVE-2026-74601: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Use currentcontext for safe per-CPU buffer swap The ringbufferswapcpu function currently checks the per-CPU committing counter to determine if a buffer is actively being written to before performing the swap. However...