CVE-2022-50505
iommu/amd: Fix pci device refcount leak in ppr_notifier()
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fix pci device refcount leak in ppr_notifier() As comment of pci_get_domain_bus_and_slot() says, it returns a pci device with refcount increment, when finish using it, the caller must decrement the reference count by calling pci_dev_put(). So call it before returning from ppr_notifier() to avoid refcount leak.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Oct 4, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
daae2d25a4779b272a66ddd01f5810bcee822b9e < bdb2113dd8f17a3cc84a2b4be4968a849f69ec72 daae2d25a4779b272a66ddd01f5810bcee822b9e < efd50c65fd1cdef63eb58825f3fe72496443764c daae2d25a4779b272a66ddd01f5810bcee822b9e < 8581ec1feb895ff596fe3d326d9ba320083290aa daae2d25a4779b272a66ddd01f5810bcee822b9e < 03f51c72997559e73b327608f0cccfded715c9a0 daae2d25a4779b272a66ddd01f5810bcee822b9e < 6e501b3fd7a2e1c4372d72bc70717aaca2beb8a5 daae2d25a4779b272a66ddd01f5810bcee822b9e < 902cc2507091a81643502d8ceb0e2f105e902518 daae2d25a4779b272a66ddd01f5810bcee822b9e < b0637f4bd426925f5c3a15e8f8e36190fe06bac5 daae2d25a4779b272a66ddd01f5810bcee822b9e < 6cf0981c2233f97d56938d9d61845383d6eb227c
Linux / Linux
4.14
References
git.kernel.org: https://git.kernel.org/stable/c/bdb2113dd8f17a3cc84a2b4be4968a849f69ec72 git.kernel.org: https://git.kernel.org/stable/c/efd50c65fd1cdef63eb58825f3fe72496443764c git.kernel.org: https://git.kernel.org/stable/c/8581ec1feb895ff596fe3d326d9ba320083290aa git.kernel.org: https://git.kernel.org/stable/c/03f51c72997559e73b327608f0cccfded715c9a0 git.kernel.org: https://git.kernel.org/stable/c/6e501b3fd7a2e1c4372d72bc70717aaca2beb8a5 git.kernel.org: https://git.kernel.org/stable/c/902cc2507091a81643502d8ceb0e2f105e902518 git.kernel.org: https://git.kernel.org/stable/c/b0637f4bd426925f5c3a15e8f8e36190fe06bac5 git.kernel.org: https://git.kernel.org/stable/c/6cf0981c2233f97d56938d9d61845383d6eb227c