CVE-2022-48665: linux kernel Integer Underflow — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: exfat: fix overflow for large capacity partition Using int type for sector index, there will be overflow in a large capacity partition. For example, if storage with sector size of 512 bytes and partition capacity is larger than 2TB, there will be overflow.

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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-191 CWE-191

Affected Products

Vendor	Product	Versions
linux	linux_kernel	5.19 — 5.19.12
linux	linux_kernel	All
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/17244f71765dfec39e84493993993e896c376d09 https://git.kernel.org/stable/c/2e9ceb6728f1dc2fa4b5d08f37d88cbc49a20a62 https://git.kernel.org/stable/c/17244f71765dfec39e84493993993e896c376d09 https://git.kernel.org/stable/c/2e9ceb6728f1dc2fa4b5d08f37d88cbc49a20a62

Frequently Asked Questions

What is CVE-2022-48665? +

In the Linux kernel, the following vulnerability has been resolved: exfat: fix overflow for large capacity partition Using int type for sector index, there will be overflow in a large capacity partition. For example, if storage with sector size of 512 bytes and partition capacity is larger than 2TB, there will be overflow. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-48665? +

CVE-2022-48665 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-2022-48665? +

CVE-2022-48665 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-2022-48665? +

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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