CVE-2026-53067

In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: pci-ep-msi: Fix error unwind and prevent double alloc pciepfallocdoorbell stores the allocated doorbell message array in epf-dbmsg/epf-numdb before requesting MSI vectors. If MSI allocation fails, the array is free...

CVE-2026-53067

In the Linux kernel PCI endpoint code, the issue was in pci_epf_alloc_doorbell(): it stored the allocated doorbell message array in epf->db_msg/epf->num_db before requesting MSI vectors. If MSI allocation failed, the array was freed but EPF state could still reference freed memory. The fix ...

PT-2026-51961

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the pci epf alloc doorbell function where the allocated doorbell message array is stored in epf-db msg and epf-num db before MSI vectors are requested. If the MSI...