CVE-2023-53117

7.1 HIGH 0.2% exploit odds Fix listed Memory safety OS & kernel

What it is

In the Linux kernel, the following vulnerability has been resolved: fs: prevent out-of-bounds array speculation when closing a file descriptor Google-Bug-Id: 114199369

At a glance

Exploitability: Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, service disruption.
Exploit odds: 0.2% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2025-05-02 16:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 06:44 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.2% in the next 30 days (EPSS).
Severity: 7.1 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2025-05-02 16:15 UTC
Last modified: 2026-06-17 06:44 UTC
Exploit probability: 0.2% · EPSS, next 30 days
Weakness: CWE-125 · Out-of-bounds read
Record status: Analyzed

Affected

Linux Kernel < 4.14.310
Linux Kernel < 4.19.278
Linux Kernel < 5.4.237
Linux Kernel < 5.10.175
Linux Kernel < 5.15.103
Linux Kernel < 6.1.20
Linux Kernel < 6.2.7
Linux Kernel 6.3

Attack profile CVSS 3.1 · 7.1

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: None
Availability: High

Raw vector

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

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

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Fix and advisories

References

NVD record · CVE.org record