GHSA-q98r-g989-36w3
Record from GitHub Advisory Database · Published December 9, 2025
In the Linux kernel, the following vulnerability has been resolved: hwrng: geode - Fix PCI device refcount leak for_each_pci_dev() is implemented by pci_get_device(). The comment of pci_get_device() says that it will increase the reference count for the returned pci_dev and also decrease the reference count for the input pci_dev @from if it is not NULL. If we break for_each_pci_dev() loop with pdev not NULL, we need to call pci_dev_put() to decrease the reference count. We add a new struct 'amd_geode_priv' to record pointer of the pci_dev and membase, and then add missing pci_dev_put() for the normal and error path.
Timeline
- Dec 9, 2025 CVE Published
- May 1, 2026 Security Advisory
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References
- https://nvd.nist.gov/vuln/detail/CVE-2022-50659 advisory
- https://git.kernel.org/stable/c/19b7b85773b18457ff85a9ff4f5e2a2d4bf7ed0c url
- https://git.kernel.org/stable/c/6b9e43c4098f1310f5b4d52121d007a219fa5d43 url
- https://git.kernel.org/stable/c/874f798c2db5ad595e46982d7f727a679dacb048 url
- https://git.kernel.org/stable/c/88f4ea623f59155280d99d1a59a968f838472c4a url
- https://git.kernel.org/stable/c/9f6ec8dc574efb7f4f3d7ee9cd59ae307e78f445 url
- https://git.kernel.org/stable/c/5cc818ad53df650cac8fb41d9066665366af3f03 url
- https://git.kernel.org/stable/c/82bd423ed977847652b2048b0f8dcf049b1847a9 url
- https://git.kernel.org/stable/c/aa96aff394a511cc7bb7df08d1b8504d4d97671e url
- https://git.kernel.org/stable/c/e2f44baf62567c5cfbc274974c7d96dddad53ccc url