cve/2024/CVE-2024-56561.md
2025-09-29 16:08:36 +00:00

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### [CVE-2024-56561](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-56561)
![](https://img.shields.io/static/v1?label=Product&message=Linux&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=0328947c50324cf4b2d8b181bf948edb8101f59f%3C%20c74a1df6c2a2df7dd45c3fc1a5edc29a075dcf22%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)
### Description
In the Linux kernel, the following vulnerability has been resolved:PCI: endpoint: Fix PCI domain ID release in pci_epc_destroy()pci_epc_destroy() invokes pci_bus_release_domain_nr() to release the PCIdomain ID, but there are two issues: - 'epc->dev' is passed to pci_bus_release_domain_nr() which was already freed by device_unregister(), leading to a use-after-free issue. - Domain ID corresponds to the EPC device parent, so passing 'epc->dev' is also wrong.Fix these issues by passing 'epc->dev.parent' topci_bus_release_domain_nr() and also do it before device_unregister().[mani: reworded subject and description]
### POC
#### Reference
No PoCs from references.
#### Github
- https://github.com/cku-heise/euvd-api-doc