What’s Vulnerable › Vulnerabilities

CVE-2018-11412

• Severity: medium (CVSS 5.9 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 15.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-05-24 · updated 2026-06-17
• Weakness: CWE-416

Description

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.

Affected products

• Canonical Ubuntu Linux: 16.04, 18.04
• Linux kernel: from 4.13 through 4.16.11

References

• http://www.securityfocus.com/bid/104291
• https://access.redhat.com/errata/RHSA-2019:0525
• https://bugs.chromium.org/p/project-zero/issues/detail?id=1580
• https://bugzilla.kernel.org/show_bug.cgi?id=199803
• https://usn.ubuntu.com/3752-1/
• https://usn.ubuntu.com/3752-2/
• https://usn.ubuntu.com/3752-3/
• https://www.exploit-db.com/exploits/44832/
• http://www.securityfocus.com/bid/104291
• https://access.redhat.com/errata/RHSA-2019:0525
• https://bugs.chromium.org/p/project-zero/issues/detail?id=1580
• https://bugzilla.kernel.org/show_bug.cgi?id=199803

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