Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098984)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098984 advisory. In the Linux kernel, the following vulnerability has been resolved: iommu/amd: move waitonsem out of spinlock With iommu.strict=1, the existing completion wait path...

CVE-2026-43253 iommu/amd: move wait_on_sem() out of spinlock

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: move waitonsem out of spinlock With iommu.strict=1, the existing completion wait path can cause soft lockups under stressed environment, as waitonsem busy-waits under the spinlock with interrupts disabled. Move the...

CVE-2026-43253: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: move waitonsem out of spinlock With iommu.strict=1, the existing completion wait path can cause soft lockups under stressed environment, as waitonsem busy-waits under the spinlock with interrupts disabled. Move the...