CVE-2022-50134: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/hfi1: fix potential memory leak in setup_base_ctxt() setup_base_ctxt() allocates a memory chunk for uctxt->groups with hfi1_alloc_ctxt_rcv_groups(). When init_user_ctxt() fails, uctxt->groups is not released, which will lead to a memory leak. We should release the uctxt->groups with hfi1_free_ctxt_rcv_groups() when init_user_ctxt() fails.

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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-401 CWE-401

Affected Products

Vendor	Product	Versions
linux	linux_kernel	4.14 — 4.14.291
linux	linux_kernel	4.15 — 4.19.256
linux	linux_kernel	4.20 — 5.4.211
linux	linux_kernel	5.5 — 5.10.137
linux	linux_kernel	5.11 — 5.15.61
linux	linux_kernel	5.16 — 5.18.18
linux	linux_kernel	5.19 — 5.19.2

References

Advisories & Patches

https://git.kernel.org/stable/c/1750be1e9f18787cf717c24dbc5fa029fc372a22 https://git.kernel.org/stable/c/2f90813f1c21c3d780585390af961bd17c8515ae https://git.kernel.org/stable/c/90ef48a718f88935d4af53d7dadd1ceafe103ce6 https://git.kernel.org/stable/c/a85c7dd1edadcdeca24e603a6618153a3bcc81ca https://git.kernel.org/stable/c/a9055dfe437efae77e28e57205437c878a03ccb7 https://git.kernel.org/stable/c/aa2a1df3a2c85f855af7d54466ac10bd48645d63 https://git.kernel.org/stable/c/e25b828553aecb3185a8d8d0c4f9b4e133fb5db6 https://git.kernel.org/stable/c/fc4de8009fd6c2ca51986c6757efa964040e7d02

Frequently Asked Questions

What is CVE-2022-50134? +

In the Linux kernel, the following vulnerability has been resolved: RDMA/hfi1: fix potential memory leak in setup_base_ctxt() setup_base_ctxt() allocates a memory chunk for uctxt->groups with hfi1_alloc_ctxt_rcv_groups(). When init_user_ctxt() fails, uctxt->groups is not released, which will lead to a memory leak. We should release the uctxt->groups with hfi1_free_ctxt_rcv_groups() when init_user_ctxt() fails. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-50134? +

CVE-2022-50134 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2022-50134? +

CVE-2022-50134 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2022-50134? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2022-50134