BELL-CVE-2025-21876

Bulletin has no description...

CVE-2025-21876

CVE-2025-21876 affects the Linux kernel iommu/vt-d code (DMAR) where a call to enable_drhd_fault_handling() was moved in a path that does not hold any lock while traversing the drhd list. The fix ensures dmar_global_lock is held while traversing the drhd list to prevent suspicious RCU usage. With...

CVE-2025-21876

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix suspicious RCU usage Commit "iommu/vt-d: Allocate DMAR fault interrupts locally" moved the call to enabledrhdfaulthandling to a code path that does not hold any lock while traversing the drhd list. Fix it by...