Open-source News

Linux Address Space Isolation "ASI" Revived After Lowering 70% Performance Hit To 13%

Phoronix - Wed, 08/13/2025 - 04:53
Several years ago Google engineers began exploring address space isolation for the Linux kernel and ultimately proposing Linux ASI for better dealing with CPU speculative execution attacks. While the hope was it would better cope with the ever growing list of CPU speculative execution vulnerabilities, the effort was thwarted initially by I/O throughput seeing a 70% performance hit. That level of performance cost was unsustainable. But now that I/O overhead has been reduced to just 13%...

Intel CPU Microcode Updates Released For Six High Severity Vulnerabilities

Phoronix - Wed, 08/13/2025 - 01:13
This Patch Tuesday has brought a slew of Intel CPU microcode updates for the past few processor generations to address six new high severity vulnerabilities...

CodeWeavers CrossOver 25.1 Improves The Stability Of Microsoft Office On Linux

Phoronix - Wed, 08/13/2025 - 00:25
While most Linux gamers are content using Valve's Steam Play (Proton) these days for Linux gaming, a new release of CodeWeavers' CrossOver is now available for enjoying other Windows applications and games on Linux as well as macOS. CrossOver 25.21 enhances the stability of the Microsoft Office office suite on Linux among other changes...

Linux Kernel Patched For AMD SEV-SNP Cache Coherency Vulnerability

Phoronix - Wed, 08/13/2025 - 00:17
This Patch Tuesday the only new security fix merged to the Linux kernel is addressing a vulnerability affecting AMD SEV-SNP secure virtual machines...

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