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#Red Hat

5 stories taggedRed Hat.

Illustration: an Arm-based server motherboard under cool blue rack
Vulnerabilities

Arm64 KVM flaw lets a guest VM reach into the host's memory

CVE-2026-89775 is a critical Linux kernel bug in the Arm64 virtualization path. A researcher says a guest can read and write host memory when nested virtualization is on.

3 min read
A Red Hat identity management system interface with unauthorized administrator account creation happening in real-time, showing Kerberos authentication being by
Vulnerabilities

FreeIPA Bug Lets Unknown Users Mint Themselves Admin Accounts

A two-flaw chain in Red Hat's identity system lets an anonymous client create a Kerberos account and land in the administrators group with no credentials required.

4 min read
A Keycloak login interface on a screen with a password reset form, surrounded by visual indicators of vulnerability or security breach
Identity & Access

Critical Keycloak Bug Lets Anyone Reset Your Password and Log In as You

A 9.1-severity flaw in the popular open-source login server hands attackers full account takeover with no credentials required.

4 min read
A Red Hat Enterprise Linux desktop with file system permission indicators showing a regular user escalating to root-level access through a nine-year-old XFS vul
Vulnerabilities

Old Linux Bug 'RefluXFS' Hands Root to Anyone With a Shell on Default Red Hat Servers

A nine-year-old flaw in how Linux handles the XFS filesystem lets any local user become the all-powerful root account on default installs of Red Hat, Fedora and Amazon Linux.

3 min read
A large, modern data center with rows of servers, blue and green LED indicators, and a focus on security measures
AI Security

IBM and Red Hat Launch $5 Billion Initiative to Secure Open-Source Software

IBM and Red Hat invest heavily in Project Lightwell to address open-source software vulnerabilities revealed by Anthropic's AI.

3 min read
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