Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: PCI/IOV: Add PCI rescan-remove locking when enabling/disabling SR-IOV Before disabling SR-IOV via config space accesses to the parent PF, sriovdisable first removes the PCI devices representing the VFs. Since commit 9d16947b7583...

CVE-2025-40219

CVE-2025-40219 concerns the Linux kernel SR-IOV PCI handling. The vulnerability stems from missing serialization locks around SR-IOV VF removal/enabling: sriov_disable() could remove VF PCI devices without holding the global PCI rescan-remove lock, risking double-remove/list corruption (notably o...