CVE-2023-53253: linux kernel Use-After-Free — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: HID: nvidia-shield: Reference hid_device devm allocation of input_dev name Use hid_device for devm allocation of the input_dev name to avoid a use-after-free. input_unregister_device would trigger devres cleanup of all resources associated with the input_dev, free-ing the name. The name would subsequently be used in a uevent fired at the end of unregistering the input_dev.

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CVSS v3.1 Score

7.8

HIGH

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

Weakness Type (CWE)

CWE-416 Use After Free

Affected Products

Vendor	Product	Versions
linux	linux_kernel	6.5 — 6.5.3

References

Advisories & Patches

https://git.kernel.org/stable/c/197d3143520fec9fde89aebabc9f0d7464f08e50 https://git.kernel.org/stable/c/b85d3807e5ec368bfd5b20245347d7c1434aff76

Frequently Asked Questions

What is CVE-2023-53253? +

In the Linux kernel, the following vulnerability has been resolved: HID: nvidia-shield: Reference hid_device devm allocation of input_dev name Use hid_device for devm allocation of the input_dev name to avoid a use-after-free. input_unregister_device would trigger devres cleanup of all resources associated with the input_dev, free-ing the name. The name would subsequently be used in a uevent fired at the end of unregistering the input_dev. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2023-53253? +

CVE-2023-53253 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2023-53253? +

CVE-2023-53253 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-2023-53253? +

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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