What’s Vulnerable › Vulnerabilities

CVE-2017-18204

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-02-27 · updated 2026-06-17

Description

The ocfs2_setattr function in fs/ocfs2/file.c in the Linux kernel before 4.14.2 allows local users to cause a denial of service (deadlock) via DIO requests.

Affected products

• Linux kernel: before 4.14.2 — fixed in 4.14.2

How to fix

Upgrade to a fixed version: Linux kernel 4.14.2. Check the vendor advisory for mitigations.

References

• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=28f5a8a7c033cbf3e32277f4cc9c6afd74f05300
• http://www.securityfocus.com/bid/103183
• https://github.com/torvalds/linux/commit/28f5a8a7c033cbf3e32277f4cc9c6afd74f05300
• https://usn.ubuntu.com/3617-1/
• https://usn.ubuntu.com/3617-2/
• https://usn.ubuntu.com/3617-3/
• https://usn.ubuntu.com/3619-1/
• https://usn.ubuntu.com/3619-2/
• https://usn.ubuntu.com/3655-1/
• https://usn.ubuntu.com/3655-2/
• https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.2
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=28f5a8a7c033cbf3e32277f4cc9c6afd74f05300

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