CVE-2022-50520
N/A
N/A
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/radeon: Fix PCI device refcount leak in radeon_atrm_get_bios()
As comment of pci_get_class() says, it returns a pci_device with its refcount increased and decreased the refcount for the input parameter @from if it is not NULL.
If we break the loop in radeon_atrm_get_bios() with 'pdev' not NULL, we need to call pci_dev_put() to decrease the refcount. Add the missing pci_dev_put() to avoid refcount leak.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | c61e2775873f603148e8e998a938721b7d222d24 < 6f28c7f67af4ef9bca580ab67ae2d4511797af56 | affected |
| Linux | Linux | c61e2775873f603148e8e998a938721b7d222d24 < e738f82e5b1311e8fb3d1409491a6fcce6418fbe | affected |
| Linux | Linux | c61e2775873f603148e8e998a938721b7d222d24 < 1079df6acf56f99d86b0081a38c84701412cc90e | affected |
| Linux | Linux | c61e2775873f603148e8e998a938721b7d222d24 < 470a77989037c3ab2b08bf2d026d2c0ddc35ff5b | affected |
| Linux | Linux | c61e2775873f603148e8e998a938721b7d222d24 < 3991d98a8a07b71c02f3a39f77d6d9a7f575a5c4 | affected |
| Linux | Linux | c61e2775873f603148e8e998a938721b7d222d24 < 88c6e0995c04b170563b5c894c50a3b2152e18c2 | affected |
| Linux | Linux | c61e2775873f603148e8e998a938721b7d222d24 < b9decada8749b606fd8b4f04a3d6c74f7983d7bc | affected |
| Linux | Linux | c61e2775873f603148e8e998a938721b7d222d24 < a6cffe54064a5f6c2162a85af3c16c6b453eac4e | affected |
| Linux | Linux | c61e2775873f603148e8e998a938721b7d222d24 < 725a521a18734f65de05b8d353b5bd0d3ca4c37a | affected |
| Linux | Linux | 61ebf0a926149cc161131470cf848cb70b3d6fe6 | affected |
| Linux | Linux | 0a1d9a860832a5ca43114cdebf0e8650463cc1f0 | affected |
| Linux | Linux | 5f54f145719f453dccc73304cd427096bf7b806c | affected |
| Linux | Linux | 063ab9cb6308a0806d623c8d6dda5cb2b3b87fce | affected |
| Linux | Linux | 3.2.29 < 3.3 | affected |
| Linux | Linux | 3.4.12 < 3.5 | affected |
| Linux | Linux | 3.5.5 < 3.6 | affected |
| Linux | Linux | 3.2.60 < 3.3 | affected |
| Linux | Linux | 3.6 | affected |
| Linux | Linux | 0 < 3.6 | unaffected |
| Linux | Linux | 4.9.337 <= 4.9.* | unaffected |
| Linux | Linux | 4.14.303 <= 4.14.* | unaffected |
| Linux | Linux | 4.19.270 <= 4.19.* | unaffected |
| Linux | Linux | 5.4.229 <= 5.4.* | unaffected |
| Linux | Linux | 5.10.163 <= 5.10.* | unaffected |
| Linux | Linux | 5.15.86 <= 5.15.* | unaffected |
| Linux | Linux | 6.0.16 <= 6.0.* | unaffected |
| Linux | Linux | 6.1.2 <= 6.1.* | unaffected |
| Linux | Linux | 6.2 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/6f28c7f67af4ef9bca580ab67ae2d4511797af56
- https://git.kernel.org/stable/c/e738f82e5b1311e8fb3d1409491a6fcce6418fbe
- https://git.kernel.org/stable/c/1079df6acf56f99d86b0081a38c84701412cc90e
- https://git.kernel.org/stable/c/470a77989037c3ab2b08bf2d026d2c0ddc35ff5b
- https://git.kernel.org/stable/c/3991d98a8a07b71c02f3a39f77d6d9a7f575a5c4
- https://git.kernel.org/stable/c/88c6e0995c04b170563b5c894c50a3b2152e18c2
- https://git.kernel.org/stable/c/b9decada8749b606fd8b4f04a3d6c74f7983d7bc
- https://git.kernel.org/stable/c/a6cffe54064a5f6c2162a85af3c16c6b453eac4e
- https://git.kernel.org/stable/c/725a521a18734f65de05b8d353b5bd0d3ca4c37a
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