What’s Vulnerable › Vulnerabilities

CVE-2024-42292: kobject_uevent: Fix OOB access within zap_modalias_env()

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-08-17 · updated 2026-10-15
• Weakness: CWE-125

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.

Affected products

• Linux kernel: from 4.15.1 before 4.19.320; from 4.20 before 5.4.282; from 5.5 before 5.10.224; from 5.11 before 5.15.165; from 5.16 before 6.1.103; from 6.2 before 6.6.44 — fixed in 4.19.320, 5.10.224, 5.15.165, 5.4.282, 6.1.103, 6.10.3

How to fix

Upgrade to a fixed version: Linux kernel 4.19.320, 5.10.224, 5.15.165, 5.4.282. Check the vendor advisory for mitigations.

References

• 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
• 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

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