CVE-2025-21876

CVE-2025-21876 - Linux kernel iommu/vt-d : The issue arises from a code path in enable_drhd_fault_handling() that traverses the DMAR drhd list without holding the required dmar_global_lock, triggering a “suspicious RCU usage” warning. The fix (commit d74169ceb0d2) ensures dmar_global_lock is held...

MGASA-2021-0062 Updated kernel-linus packages fix security vulnerability

This kernel-linus update is based on upstream 5.10.12 and fixes at least the following security issue: An issue was discovered in the Linux kernel through 5.10.11. PI futexes have a kernel stack use-after-free during fault handling, allowing local users to execute code in the kernel CVE-2021-3347...