Bug 2348208 (CVE-2022-49206)

Summary:	CVE-2022-49206 kernel: RDMA/mlx5: Fix memory leak in error flow for subscribe event routine
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security DevOps Team <prodsec-dev>
Status:	NEW ---	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	dfreiber, drow, jburrell, vkumar
Target Milestone:	---	Keywords:	Security
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Hardware:	All
OS:	Linux
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
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Description OSIDB Bzimport 2025-02-26 03:21:23 UTC

In the Linux kernel, the following vulnerability has been resolved:

RDMA/mlx5: Fix memory leak in error flow for subscribe event routine

In case the second xa_insert() fails, the obj_event is not released.  Fix
the error unwind flow to free that memory to avoid a memory leak.

Comment 1 Avinash Hanwate 2025-02-26 13:33:06 UTC

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025022618-CVE-2022-49206-51a6@gregkh/T

Comment 4 Avinash Hanwate 2025-02-26 17:47:32 UTC

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025022618-CVE-2022-49206-51a6@gregkh/T