CVE-2022-49671: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/cm: Fix memory leak in ib_cm_insert_listen cm_alloc_id_priv() allocates resource for the cm_id_priv. When cm_init_listen() fails it doesn't free it, leading to memory leak. Add the missing error unwind.

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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	5.7 — 5.10.129
linux	linux_kernel	5.11 — 5.15.53
linux	linux_kernel	5.16 — 5.18.10
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/2990f223ffa7bb25422956b9f79f9176a5b38346 https://git.kernel.org/stable/c/2febf09a8a8ae4accf908f043f1bab1421056568 https://git.kernel.org/stable/c/889000874c1204e47c7f2a4945db262a47e7efc9 https://git.kernel.org/stable/c/b0cab8b517aeaf2592c3479294f934209c41a26f

Frequently Asked Questions

What is CVE-2022-49671? +

In the Linux kernel, the following vulnerability has been resolved: RDMA/cm: Fix memory leak in ib_cm_insert_listen cm_alloc_id_priv() allocates resource for the cm_id_priv. When cm_init_listen() fails it doesn't free it, leading to memory leak. Add the missing error unwind. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-49671? +

CVE-2022-49671 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-2022-49671? +

CVE-2022-49671 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-2022-49671? +

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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