Bug 2425192 (CVE-2022-50742) - CVE-2022-50742 kernel: misc: ocxl: fix possible refcount leak in afu_ioctl()
Summary: CVE-2022-50742 kernel: misc: ocxl: fix possible refcount leak in afu_ioctl()
Keywords:
Status: NEW
Alias: CVE-2022-50742
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
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Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-12-24 14:09 UTC by OSIDB Bzimport
Modified: 2025-12-24 19:48 UTC (History)
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Description OSIDB Bzimport 2025-12-24 14:09:49 UTC 
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.
Comment 1 Alexander B 2025-12-24 19:44:30 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025122449-CVE-2022-50742-e130@gregkh/T
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