Threats Tagged 'cve-2026-79603'
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Threats Tagged 'cve-2026-79603'
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0 A vulnerability in Xen hypervisor affects x86 paravirtualized (PV) guests from version 4.13 onwards. The issue allows PV guests to free memory pages while stale TLB entries still point to them, creating a window where the guest can modify scrubbed pages. This undermines the effectiveness of the 'scrub-domheap' option intended to prevent information exchange between guests. Only x86 PV guests are vulnerable. The CVSS score is 4.3, indicating medium severity. Join the discussion | GCVE Database | 09/08/2026, 12:00:00 UTC Added: 09/10/2026, 13:24:11 UTC |
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