CVE-2022-50431: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: aoa: i2sbus: fix possible memory leak in i2sbus_add_dev() dev_set_name() in soundbus_add_one() allocates memory for name, it need be freed when of_device_register() fails, call soundbus_dev_put() to give up the reference that hold in device_initialize(), so that it can be freed in kobject_cleanup() when the refcount hit to 0. And other resources are also freed in i2sbus_release_dev(), so it can return 0 directly.

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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	2.6.18 — 4.9.332
linux	linux_kernel	4.10 — 4.14.298
linux	linux_kernel	4.15 — 4.19.264
linux	linux_kernel	4.20 — 5.4.223
linux	linux_kernel	5.5 — 5.10.153
linux	linux_kernel	5.11 — 5.15.77
linux	linux_kernel	5.16 — 6.0.7
linux	linux_kernel	All
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/027fee10e3a400cf6f3237374a1248da1082807b https://git.kernel.org/stable/c/4a4c8482e370d697738a78dcd7bf2780832cb712 https://git.kernel.org/stable/c/5bdea674534153110b90d70b02f2fbaf48b2c0eb https://git.kernel.org/stable/c/802532a50acf501fdafe38a84ca2aa886d68af68 https://git.kernel.org/stable/c/c7524279c8ddc7dbf3463bec70e0289097959944 https://git.kernel.org/stable/c/ce6fd1c382a38b75557db85a2fe99d285540a03d https://git.kernel.org/stable/c/e81d7826b8f40430a1ea1b330e24d9a9eb4512c4 https://git.kernel.org/stable/c/fd410d24665e4efb3c1796797181265efe553e9c

Frequently Asked Questions

What is CVE-2022-50431? +

In the Linux kernel, the following vulnerability has been resolved: ALSA: aoa: i2sbus: fix possible memory leak in i2sbus_add_dev() dev_set_name() in soundbus_add_one() allocates memory for name, it need be freed when of_device_register() fails, call soundbus_dev_put() to give up the reference that hold in device_initialize(), so that it can be freed in kobject_cleanup() when the refcount hit to 0. And other resources are also freed in i2sbus_release_dev(), so it can return 0 directly. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-50431? +

CVE-2022-50431 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-2022-50431? +

CVE-2022-50431 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-2022-50431? +

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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