CVE-2026-43147

CVE-2026-43147 concerns a deadlock in the Linux kernel SR-IOV removal path. The issue arises when sriov_del_vfs() is invoked during pci_stop_and_remove_bus_device(), causing a recursive lock acquisition on pci_rescan_remove_lock and leading to system unresponsiveness. The public description confi...

CVE-2026-43147 Revert "PCI/IOV: Add PCI rescan-remove locking when enabling/disabling SR-IOV"

In the Linux kernel, the following vulnerability has been resolved: Revert "PCI/IOV: Add PCI rescan-remove locking when enabling/disabling SR-IOV" This reverts commit 05703271c3cd "PCI/IOV: Add PCI rescan-remove locking when enabling/disabling SR-IOV", which causes a deadlock by recursively takin...

PT-2026-37487

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A deadlock occurs in the Linux kernel when sriov del vfs is called as part of pci stop and remove bus device. This happens because the system recursively attempts to acquire the pci resc...