CVE-2023-52512: linux kernel Memory Corruption — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: pinctrl: nuvoton: wpcm450: fix out of bounds write Write into 'pctrl->gpio_bank' happens before the check for GPIO index validity, so out of bounds write may happen. Found by Linux Verification Center (linuxtesting.org) with SVACE.

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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-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
linux	linux_kernel	5.18 — 6.1.59
linux	linux_kernel	6.2 — 6.5.8
linux	linux_kernel	All
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/6c18c386fd13dbb3ff31a1086dabb526780d9bda https://git.kernel.org/stable/c/87d315a34133edcb29c4cadbf196ec6c30dfd47b https://git.kernel.org/stable/c/c9d7cac0fd27c74dd368e80dc4b5d0f9f2e13cf8 https://git.kernel.org/stable/c/6c18c386fd13dbb3ff31a1086dabb526780d9bda https://git.kernel.org/stable/c/87d315a34133edcb29c4cadbf196ec6c30dfd47b https://git.kernel.org/stable/c/c9d7cac0fd27c74dd368e80dc4b5d0f9f2e13cf8

Frequently Asked Questions

What is CVE-2023-52512? +

In the Linux kernel, the following vulnerability has been resolved: pinctrl: nuvoton: wpcm450: fix out of bounds write Write into 'pctrl->gpio_bank' happens before the check for GPIO index validity, so out of bounds write may happen. Found by Linux Verification Center (linuxtesting.org) with SVACE. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2023-52512? +

CVE-2023-52512 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-2023-52512? +

CVE-2023-52512 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-2023-52512? +

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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