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CLEANSTART-2024-DB97012 pygrub boot loader emulator in Xen, when nul-delimited output format is requested, allows local pygrub-using guest OS administrators to read or delete arbitrary files on the host via NUL bytes in t...

🗓️ 31 Oct 2026 14:19:17Reported by GoogleType 
osv_cleanstart
 osv_cleanstart
🔗 osv.dev👁 3 Views

Local pygrub-using guest OS administrators can read or delete host files in Xen.

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31 Oct 2026 15:46Current
7.5High risk
Vulners AI Score7.5
CVSS 37.5
EPSS0.0042
3