CVE-2017-11473

Name: CVE-2017-11473
Creator: NVD / NIST
Published: 2017-07-20T04:29:00.33+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.41%

Last modified Jun 17, 2026

CVE-2017-11473 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Buffer overflow in the mp_override_legacy_irq() function in arch/x86/kernel/acpi/boot.c in the Linux kernel through 3.2 allows local users to gain privileges via a crafted ACPI table.. EPSS estimates a 0.41% chance of exploitation in the next 30 days.

Description

Buffer overflow in the mp_override_legacy_irq() function in arch/x86/kernel/acpi/boot.c in the Linux kernel through 3.2 allows local users to gain privileges via a crafted ACPI table.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.41%

32.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 3.2.95
Linux	Linux Kernel	>= 3.3, < 3.16.50
Linux	Linux Kernel	>= 3.17, < 3.18.63
Linux	Linux Kernel	>= 3.19, < 4.1.44
Linux	Linux Kernel	>= 4.2, < 4.4.79
Linux	Linux Kernel	>= 4.5, < 4.9.40
Linux	Linux Kernel	>= 4.10, < 4.12.4
Canonical	Ubuntu Linux	14.04

References

http://www.securityfocus.com/bid/100010Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:0654Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=70ac67826602edf8c0ccb413e5ba7eacf597a60cPatch, Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=96301209473afd3f2f274b91cb7082d161b9be65Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=dad5ab0db8deac535d03e3fe3d8f2892173fa6a4Patch, Vendor Advisory
https://source.android.com/security/bulletin/pixel/2018-01-01Third Party Advisory
https://usn.ubuntu.com/3754-1/Third Party Advisory
http://www.securityfocus.com/bid/100010Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:0654Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=70ac67826602edf8c0ccb413e5ba7eacf597a60cPatch, Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=96301209473afd3f2f274b91cb7082d161b9be65Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=dad5ab0db8deac535d03e3fe3d8f2892173fa6a4Patch, Vendor Advisory
https://source.android.com/security/bulletin/pixel/2018-01-01Third Party Advisory
https://usn.ubuntu.com/3754-1/Third Party Advisory

Timeline

Published: Jul 20, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-11473?

Buffer overflow in the mp_override_legacy_irq() function in arch/x86/kernel/acpi/boot.c in the Linux kernel through 3.2 allows local users to gain privileges via a crafted ACPI table.

How severe is CVE-2017-11473?

CVE-2017-11473 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.

How do I fix CVE-2017-11473?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-11473?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST