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CVE-2026-42493

Xen

Descrição

Addressing certain issues, in particular related to operations which may take excessively long and therefore would need preemption, has turned out overly costly. Since alternatives (HVM/PVH: HAP, PV: shim) are commonly available, the decision was to deprecate the functionality, while still retaining it for people to use at their own (security) risk. Memory-wise small enough guests may still be okay to run.

CVSS 7.5EPSS 0.47400000000000003%Risco 0.78
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Publicação
2026-07-28 13:18:32
Versões afetadas
unknown
Tipo
Firmware
Última alteração
2026-07-28 17:16:39
Vetor
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H