Bug 2400801 (CVE-2023-53504) - CVE-2023-53504 kernel: RDMA/bnxt_re: Properly order ib_device_unalloc() to avoid UAF
Summary: CVE-2023-53504 kernel: RDMA/bnxt_re: Properly order ib_device_unalloc() to av...
Keywords:
Status: NEW
Alias: CVE-2023-53504
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
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Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-10-01 12:08 UTC by OSIDB Bzimport
Modified: 2025-10-07 16:55 UTC (History)
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Description OSIDB Bzimport 2025-10-01 12:08:11 UTC 
In the Linux kernel, the following vulnerability has been resolved:

RDMA/bnxt_re: Properly order ib_device_unalloc() to avoid UAF

ib_dealloc_device() should be called only after device cleanup.  Fix the
dealloc sequence.
Comment 1 Jon Moroney 2025-10-01 18:43:10 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025100128-CVE-2023-53504-ccc8@gregkh/T
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