Threats Tagged 'cve-2026-43253'
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Threats Tagged 'cve-2026-43253'
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In the Linux kernel, the following vulnerability has been resolved: iommu/amd: move wait_on_sem() out of spinlock With iommu.strict=1, the existing… (CVE-2026-43253)CVE-2026-43253 0 In the Linux kernel, the following vulnerability has been resolved: iommu/amd: move wait_on_sem() out of spinlock With iommu.strict=1, the existing completion wait path can cause soft lockups under stressed environment, as wait_on_sem() busy-waits under the spinlock with interrupts disabled. Move the completion wait in iommu_completion_wait() out of the spinlock. wait_on_sem() only polls the hardware-updated cmd_sem and does not require iommu->lock, so holding the lock during the busy wait unnecessarily increases contention and extends the time with interrupts disabled. Join the discussion | GCVE Database | 05/06/2026, 12:16:00 UTC Added: 07/18/2026, 11:19:59 UTC |
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