CVE-2024-42292: linux kernel Out-of-bounds Read — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: kobject_uevent: Fix OOB access within zap_modalias_env() zap_modalias_env() wrongly calculates size of memory block to move, so will cause OOB memory access issue if variable MODALIAS is not the last one within its @env parameter, fixed by correcting size to memmove.

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CVSS v3.1 Score

7.1

HIGH

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

Weakness Type (CWE)

CWE-125 Out-of-bounds Read

Affected Products

Vendor	Product	Versions
linux	linux_kernel	4.15.1 — 4.19.320
linux	linux_kernel	4.20 — 5.4.282
linux	linux_kernel	5.5 — 5.10.224
linux	linux_kernel	5.11 — 5.15.165
linux	linux_kernel	5.16 — 6.1.103
linux	linux_kernel	6.2 — 6.6.44
linux	linux_kernel	6.7 — 6.10.3
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/57fe01d3d04276875c7e3a6dc763517fc05b8762 https://git.kernel.org/stable/c/648d5490460d38436640da0812bf7f6351c150d2 https://git.kernel.org/stable/c/68d63ace80b76395e7935687ecdb86421adc2168 https://git.kernel.org/stable/c/81a15d28f32af01493ae8c5457e0d55314a4167d https://git.kernel.org/stable/c/b59a5e86a3934f1b6a5bd1368902dbc79bdecc90 https://git.kernel.org/stable/c/c5ee8adc8d98a49703320d13878ba2b923b142f5 https://git.kernel.org/stable/c/d4663536754defff75ff1eca0aaebc41da165a8d https://git.kernel.org/stable/c/dd6e9894b451e7c85cceb8e9dc5432679a70e7dc

Other References

https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html https://cert-portal.siemens.com/productcert/html/ssa-265688.html

Frequently Asked Questions

What is CVE-2024-42292? +

In the Linux kernel, the following vulnerability has been resolved: kobject_uevent: Fix OOB access within zap_modalias_env() zap_modalias_env() wrongly calculates size of memory block to move, so will cause OOB memory access issue if variable MODALIAS is not the last one within its @env parameter, fixed by correcting size to memmove. It has a CVSS v3.1 base score of 7.1 (HIGH).

How severe is CVE-2024-42292? +

CVE-2024-42292 has a CVSS v3.1 score of 7.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-42292? +

CVE-2024-42292 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-2024-42292? +

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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CVE-2024-42292