CVE-2024-50074: linux kernel Out-of-bounds Read — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: parport: Proper fix for array out-of-bounds access The recent fix for array out-of-bounds accesses replaced sprintf() calls blindly with snprintf(). However, since snprintf() returns the would-be-printed size, not the actually output size, the length calculation can still go over the given limit. Use scnprintf() instead of snprintf(), which returns the actually output letters, for addressing the potential out-of-bounds access properly.

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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-125 Out-of-bounds Read

Affected Products

Vendor	Product	Versions
linux	linux_kernel	5.10.224 — 5.10.228
linux	linux_kernel	5.11 — 5.15.169
linux	linux_kernel	5.16 — 6.1.114
linux	linux_kernel	6.2 — 6.6.58
linux	linux_kernel	6.7 — 6.11.5
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
redhat	enterprise_linux	All
redhat	enterprise_linux	All

References

Advisories & Patches

https://git.kernel.org/stable/c/02ac3a9ef3a18b58d8f3ea2b6e46de657bf6c4f9 https://git.kernel.org/stable/c/1826b6d69bbb7f9ae8711827facbb2ad7f8d0aaa https://git.kernel.org/stable/c/2a8b26a09c8e3ea03da1ef3cd0ef6b96e559fba6 https://git.kernel.org/stable/c/440311903231c6e6c9bcf8acb6a2885a422e00bc https://git.kernel.org/stable/c/66029078fee00646e2e9dbb8f41ff7819f8e7569 https://git.kernel.org/stable/c/fca048f222ce9dcbde5708ba2bf81d85a4a27952

Other References

https://git.kernel.org/stable/c/8aadef73ba3b325704ed5cfc4696a25c350182cf https://git.kernel.org/stable/c/b0641e53e6cb937487b6cfb15772374f0ba149b3 https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html

Frequently Asked Questions

What is CVE-2024-50074? +

In the Linux kernel, the following vulnerability has been resolved: parport: Proper fix for array out-of-bounds access The recent fix for array out-of-bounds accesses replaced sprintf() calls blindly with snprintf(). However, since snprintf() returns the would-be-printed size, not the actually output size, the length calculation can still go over the given limit. Use scnprintf() instead of snprintf(), which returns the actually output letters, for addressing the potential out-of-bounds access properly. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2024-50074? +

CVE-2024-50074 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-2024-50074? +

CVE-2024-50074 affects products from linux, redhat, specifically: enterprise_linux, linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-50074? +

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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