Threats Tagged 'ghsa-2374-8v6x-x95c'
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Threats Tagged 'ghsa-2374-8v6x-x95c'
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A vulnerability in the Linux kernel's KVM arm64 nested virtualization implementation was resolved by fixing the lifecycle management of the nested_mmus array. This array holds shadow page tables used during nested guest execution. Previously, if a VCPU_INIT event occurred while a virtual CPU was running a nested context and the nested_mmus array needed relocation, the vCPU could continue using a pointer to a freed structure, leading to use-after-free conditions. The fix changes the nested_mmus array to an array of pointers allocated at VM creation to avoid reallocations and clarifies object lifecycles. Join the discussion | GCVE Database | 10/23/2026, 15:31:31 UTC Added: 10/23/2026, 18:43:28 UTC |
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