Details and a PoC are public for CVE-2026-84543, a macOS SMB kernel vulnerability that lets a malicious SMB server crash Macs. Update macOS now.

#macOS #Apple #CVE202684543 #SMB #KernelVulnerability #PoC #AppleSecurity #PatchNow

Ubuntu kernel flaw allows container escape to root—upstream patch exists, LTS still exposed. #Linux #Ubuntu #KernelVulnerability #ContainerSecurity #CVE2026-80521 #AI https://thedailytechfeed.com/critical-ubuntu-kernel-flaw-enables-container-escapes-patch-pending/

ARM64 KVM nested-virtual hosts vulnerable to CVE-2026-89775: guest VMs can escape and write host memory. Update kernels now. #Security #Linux #ARM64 #KVM #KernelVulnerability https://thedailytechfeed.com/critical-linux-vulnerability-lets-arm64-kvm-guests-escape-to-host-memory/

NebuSec disclosed multiple local Linux kernel vulnerabilities, including ZcopyReaper, publishing functional exploits for gaining root access across systems.

#LinuxSecurity #KernelVulnerability #ZcopyReaper #NebuSec #CyberSecurity