https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Sat, 03 Oct 2026 23:38:45 +0000 https://vulnerability.circl.lu/vuln/cve-2026-43097 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>PCI: hv: Fix double ida_free in hv_pci_probe error path</p> <p>If hv_pci_probe() fails after storing the domain number in hbus-&gt;bridge-&gt;domain_nr, there is a call to free this domain_nr via pci_bus_release_emul_domain_nr(), however, during cleanup, the bridge release callback pci_release_host_bridge_dev() also frees the domain_nr causing ida_free to be called on same ID twice and triggering following warning:</p> <p>ida_free called for id=28971 which is not allocated. WARNING: lib/idr.c:594 at ida_free+0xdf/0x160, CPU#0: kworker/0:2/198 Call Trace: pci_bus_release_emul_domain_nr+0x17/0x20 pci_release_host_bridge_dev+0x4b/0x60 device_release+0x3b/0xa0 kobject_put+0x8e/0x220 devm_pci_alloc_host_bridge_release+0xe/0x20 devres_release_all+0x9a/0xd0 device_unbind_cleanup+0x12/0xa0 really_probe+0x1c5/0x3f0 vmbus_add_channel_work+0x135/0x1a0</p> <p>Fix this by letting pci core handle the free domain_nr and remove the explicit free called in pci-hyperv driver.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>PCI: hv: Fix double ida_free in hv_pci_probe error path</p> <p>If hv_pci_probe() fails after storing the domain number in hbus-&gt;bridge-&gt;domain_nr, there is a call to free this domain_nr via pci_bus_release_emul_domain_nr(), however, during cleanup, the bridge release callback pci_release_host_bridge_dev() also frees the domain_nr causing ida_free to be called on same ID twice and triggering following warning:</p> <p>ida_free called for id=28971 which is not allocated. WARNING: lib/idr.c:594 at ida_free+0xdf/0x160, CPU#0: kworker/0:2/198 Call Trace: pci_bus_release_emul_domain_nr+0x17/0x20 pci_release_host_bridge_dev+0x4b/0x60 device_release+0x3b/0xa0 kobject_put+0x8e/0x220 devm_pci_alloc_host_bridge_release+0xe/0x20 devres_release_all+0x9a/0xd0 device_unbind_cleanup+0x12/0xa0 really_probe+0x1c5/0x3f0 vmbus_add_channel_work+0x135/0x1a0</p> <p>Fix this by letting pci core handle the free domain_nr and remove the explicit free called in pci-hyperv driver.</p> https://vulnerability.circl.lu/vuln/cve-2026-43097