Vulnerability in Linux

CVE-2026-64229

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Disable broadcast TLB flush when PCID is disabled Booting with "nopcid" clears X86_FEATURE_PCID and keeps CR4.PCIDE from being set to one. On AMD CPUs that suppo…

Affected products

  • Linux — versions 4afeb0ed1753ebcad93ee3b45427ce85e9c8ec40, 6.15, 0

References