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6.5
Xen hypervisor can let virtual machines escape isolation
published 4 days ago
Summary
Versions of the Xen hypervisor up to and including 4 may allow a malicious virtual machine to break out of its sandbox and access the host system or other guests. This could lead to data loss or unauthorized control. Upgrade Xen to the newest release or apply the vendor's security patch as soon as possible.
What to do
- Update cleanstart xen to version 4.14.1-r0.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| CleanStart | cleanstart | xen |
< 4.14.1-r0 Fix: upgrade to 4.14.1-r0
|
Original advisory text
issue was discovered in Xen through 4
Security vulnerability affects the xen package. An issue was discovered in Xen through 4.
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker partial control (estimated)
Timeline
Published31 Oct 2026
Updated31 Oct 2026
First seen31 Oct 2026
Sources
CLEANSTART-2024-GN60971 · OSV
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