CVE-2022-49455
misc: ocxl: fix possible double free in ocxl_file_register_afu
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: misc: ocxl: fix possible double free in ocxl_file_register_afu info_release() will be called in device_unregister() when info->dev's reference count is 0. So there is no need to call ocxl_afu_put() and kfree() again. Fix this by adding free_minor() and return to err_unregister error path.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Feb 26, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
75ca758adbafc81804c39b2c200ecdc819a6c042 < de65c32ace9aa70d51facc61ba986607075e3a25 75ca758adbafc81804c39b2c200ecdc819a6c042 < ee89d8dee55ab4b3b8ad8b70866b2841ba334767 75ca758adbafc81804c39b2c200ecdc819a6c042 < 8fb674216835e1f0c143762696d645facebb4685 75ca758adbafc81804c39b2c200ecdc819a6c042 < 252768d32e92c1214aeebb5fec0844ca479bcf5c 75ca758adbafc81804c39b2c200ecdc819a6c042 < 9e9087cf34ee69f4e95d146ac29385d6e367a97b 75ca758adbafc81804c39b2c200ecdc819a6c042 < 950cf957fe34d40d63dfa3bf3968210430b6491e
Linux / Linux
5.2
References
git.kernel.org: https://git.kernel.org/stable/c/de65c32ace9aa70d51facc61ba986607075e3a25 git.kernel.org: https://git.kernel.org/stable/c/ee89d8dee55ab4b3b8ad8b70866b2841ba334767 git.kernel.org: https://git.kernel.org/stable/c/8fb674216835e1f0c143762696d645facebb4685 git.kernel.org: https://git.kernel.org/stable/c/252768d32e92c1214aeebb5fec0844ca479bcf5c git.kernel.org: https://git.kernel.org/stable/c/9e9087cf34ee69f4e95d146ac29385d6e367a97b git.kernel.org: https://git.kernel.org/stable/c/950cf957fe34d40d63dfa3bf3968210430b6491e