# Xen Security Advisory 525 v1 (CVE-2024-36350,CVE-2024-36357,CVE-2026-0004) - x86: Transient Scheduler Attacks (update)

Source: [Open Source Security](https://seclists.org/oss-sec/2026/q4/640) · 2026-11-10 · Security
Page: https://themorning.dev/story/xen-security-advisory-525-v1-cve-2024-36350-cve-2024-36357-cve-2026-0004-x86-tra-c7c49e95b57903bd
Kind: security · Impact: medium

## In brief

- Xen Security Advisory 525 was updated on 2026-11-10 with new details on x86 Transient Scheduler Attacks.
- AMD reported further properties of Transient Scheduler Attacks, per the advisory's issue description.
- The advisory covers CVE-2024-36350, CVE-2024-36357 and CVE-2026-0004.

## Why it matters

Developers running Xen hypervisors on x86 hardware should review the updated advisory to determine whether their systems are affected.

## CVEs

- CVE-2024-36350
- CVE-2024-36357
- CVE-2026-0004

## Timeline

- 2026-11-10: Xen security team posted updated Xen Security Advisory 525

## Coverage

- [Xen Security Advisory 525 v1 (CVE-2024-36350,CVE-2024-36357,CVE-2026-0004) - x86: Transient Scheduler Attacks (update)](https://seclists.org/oss-sec/2026/q4/640) — Open Source Security, 2026-11-10

Tags: xen, security, x86, amd, hypervisor

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Brief generated by AI (claude-haiku-5-5) from the reporting listed under Coverage. Headlines belong to their publishers. The Morning Dev – https://themorning.dev