SUSE-SU-2025:4149-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to fix various security issues The following security issues were fixed: - CVE-2022-50327: ACPI: processor: idle: Check acpifetchacpidev return value bsc1249859. - CVE-2022-50334: hugetlbfs: fix null-ptr-deref in hugetlbfsparseparam bsc124985...

CVE-2025-37885 KVM: x86: Reset IRTE to host control if *new* route isn't postable

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Reset IRTE to host control if new route isn't postable Restore an IRTE back to host control remapped or posted MSI mode if the new GSI route prevents posting the IRQ directly to a vCPU, regardless of the GSI routing typ...

CVE-2025-37885

CVE-2025-37885 affects the Linux kernel KVM/x86, where a dangling IRTE could be left posting to a vCPU if the new GSI route cannot be posted. The issue is fixed by restoring IRTE ownership to the host control when the new route isn’t postable, preventing use-after-free and incorrect interrupt del...