CVE-2022-50138

RDMA/qedr: Fix potential memory leak in __qedr_alloc_mr()

Description

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.

N/A

CVSS

Severity:

EPSS 0.02%

Affected: Linux Linux

References

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

Frequently Asked Questions

What is the severity of CVE-2022-50138?: CVE-2022-50138 has not yet been assigned a CVSS score.
How to fix CVE-2022-50138?: To fix CVE-2022-50138, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-50138 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-50138 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-50138?: CVE-2022-50138 affects Linux Linux, Linux Linux.

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