CVE-2022-50742
Published Dec 24, 2025
Modified Apr 15, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: misc: ocxl: fix possible refcount leak in afu_ioctl() eventfd_ctx_put need to be called to put the refcount that gotten by eventfd_ctx_fdget when ocxl_irq_set_handler fails.
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References
Other References
https://git.kernel.org/stable/c/11bd8bbdf8f6f5c1145bb158793107a57e3a1f07
https://git.kernel.org/stable/c/66032c43291672bae8b93184d2806f05be3e16df
https://git.kernel.org/stable/c/7ba19a60c74fb0057d4daef2fa2cbfc9522f3ba1
https://git.kernel.org/stable/c/843433a02e344d30fbb62dfd834c60631baaa527
https://git.kernel.org/stable/c/c3b69ba5114c860d730870c03ab4ee45276e5e35
https://git.kernel.org/stable/c/fc797285c40a9cc441357abb3521d3e51c743f67
Frequently Asked Questions
What is CVE-2022-50742? +
In the Linux kernel, the following vulnerability has been resolved:
misc: ocxl: fix possible refcount leak in afu_ioctl()
eventfd_ctx_put need to be called to put the refcount that gotten by
eventfd_ctx_fdget when ocxl_irq_set_handler fails.
How do I check if I'm vulnerable to CVE-2022-50742? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.