CVE-2022-50138

In the Linux kernel, the following vulnerability has been resolved: RDMA/qedr: Fix potential memory leak in __qedr_alloc_mr() __qedr_alloc_mr() allocates a memory chunk for "mr->info.pbl_table" with init_mr_info(). When rdma_alloc_tid() and rdma_register_tid() fail, "mr" is released while "mr->info.pbl_table" is not released, which will lead to a memory leak. We should release the "mr->info.pbl_table" with qedr_free_pbl() when error occurs to fix the memory leak.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/07ba048df306dc93fc4d2ef670b9e24644a2069f	Patch
https://git.kernel.org/stable/c/79ce50dddaf28b5c57911ecc80a2be17a0b17f83	Patch
https://git.kernel.org/stable/c/7e647a8d5fc0a2c8e0f36f585a6388286a25bb15	Patch
https://git.kernel.org/stable/c/b3236a64ddd125a455ef5b5316c1b9051b732974	Patch
https://git.kernel.org/stable/c/b4c9f7db9f0148423557539af0fdf513338efe08	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

History

No history.

Information

Published : 2025-06-18 11:15

Updated : 2025-11-18 02:59

NVD link : CVE-2022-50138

Mitre link : CVE-2022-50138

CVE.ORG link : CVE-2022-50138

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

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