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8.8
Xen misaligned memory operations can cause crashes
published 4 days ago
Summary
The Xen hypervisor may mishandle certain memory operations when data is not properly aligned, which can lead to crashes or instability. This affects systems running the Xen package from cleanstart. Update Xen to the latest version or apply the vendor’s patch to prevent the issue.
What to do
- Update cleanstart xen to version 4.15.1-r2.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| CleanStart | cleanstart | xen |
< 4.15.1-r2 Fix: upgrade to 4.15.1-r2
|
Original advisory text
PoD operations on misaligned GFNs T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE
Security vulnerability affects the xen package. PoD operations on misaligned GFNs T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker full control (estimated)
Timeline
Published31 Oct 2026
Updated31 Oct 2026
First seen31 Oct 2026
Sources
CLEANSTART-2024-XW97320 · OSV
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