CVE-2022-48753: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: block: fix memory leak in disk_register_independent_access_ranges kobject_init_and_add() takes reference even when it fails. According to the doc of kobject_init_and_add() If this function returns an error, kobject_put() must be called to properly clean up the memory associated with the object. Fix this issue by adding kobject_put(). Callback function blk_ia_ranges_sysfs_release() in kobject_put() can handle the pointer "iars" properly.

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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	5.16 — 5.16.5
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/83114df32ae779df57e0af99a8ba6c3968b2ba3d https://git.kernel.org/stable/c/fe4214a07e0b53d2af711f57519e33739c5df23f https://git.kernel.org/stable/c/83114df32ae779df57e0af99a8ba6c3968b2ba3d https://git.kernel.org/stable/c/fe4214a07e0b53d2af711f57519e33739c5df23f

Frequently Asked Questions

What is CVE-2022-48753? +

In the Linux kernel, the following vulnerability has been resolved: block: fix memory leak in disk_register_independent_access_ranges kobject_init_and_add() takes reference even when it fails. According to the doc of kobject_init_and_add() If this function returns an error, kobject_put() must be called to properly clean up the memory associated with the object. Fix this issue by adding kobject_put(). Callback function blk_ia_ranges_sysfs_release() in kobject_put() can handle the pointer "iars" properly. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-48753? +

CVE-2022-48753 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-2022-48753? +

CVE-2022-48753 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-2022-48753? +

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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