Bug 2516893 (CVE-2026-74298)

Summary: CVE-2026-74298 kernel: RDMA/core: Fix FRMR set pinned push error path
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in the RDMA/core component of the Linux kernel. This vulnerability occurs when the push to the pool fails, leading to a failure in the destruction of FRMR (Fast Registration Memory Region) handles. This can result in a resource leak, potentially impacting system stability or availability.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description OSIDB Bzimport 2026-08-15 06:39:01 UTC
In the Linux kernel, the following vulnerability has been resolved:

RDMA/core: Fix FRMR set pinned push error path

Add destruction of FRMR handles in case the push to the pool fails.
This prevents resources leak in case pool page allocation fails.