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CVE-2018-11412

MediumPublished

In the Linux kernel 4.13 through 4.16.11, ext4_read_inline_data() in fs/ext4/inline.c performs a memcpy with an untrusted length value in certain...

Published: May 24, 2018
Updated: Aug 5, 2024
Assigning CNA: mitre
Evidence observed: Jun 5, 2018

Primary CVSS

5.9/ 10Medium

nvd · CVSS 3.0

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS probability estimate

13.3%

Moderate · next 30 days

Percentile: 96.3%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

In the Linux kernel 4.13 through 4.16.11, ext4_read_inline_data() in fs/ext4/inline.c performs a memcpy with an untrusted length value in certain circumstances involving a crafted filesystem that stores the system.data extended attribute value in a dedicated inode.

Sources

Linux Kernel < 4.16.11 - 'ext4_read_inline_data()' Memory CorruptionExploit
Google Security Research · linux · Jun 5, 2018

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