Bug 2426147 (CVE-2022-50874) - CVE-2022-50874 kernel: RDMA/erdma: Fix refcount leak in erdma_mmap
Summary: CVE-2022-50874 kernel: RDMA/erdma: Fix refcount leak in erdma_mmap
Keywords:
Status: NEW
Alias: CVE-2022-50874
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
unspecified
unspecified
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-12-30 13:12 UTC by OSIDB Bzimport
Modified: 2026-06-29 20:21 UTC (History)
2 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2025-12-30 13:12:17 UTC 
In the Linux kernel, the following vulnerability has been resolved:

RDMA/erdma: Fix refcount leak in erdma_mmap

rdma_user_mmap_entry_get() take reference, we should release it when not
need anymore, add the missing rdma_user_mmap_entry_put() in the error
path to fix it.
Comment 1 Alexander B 2025-12-31 05:46:13 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025123022-CVE-2022-50874-bd1d@gregkh/T
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