---
title: "CVE-2018-11232\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2018-11232?format=md
keywords: index, follow
---

# CVE-2018-11232

Publication date 18 May 2018

Last updated 4 July 2026

---

Ubuntu priority

**Low**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

## Cvss 3 Severity Score

**5.5 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2018-11232?format=md#impact-score)

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## Description

The etm\_setup\_aux function in
drivers/hwtracing/coresight/coresight-etm-perf.c in the Linux kernel before
4.10.2 allows attackers to cause a denial of service (panic) because a
parameter is incorrectly used as a local variable.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| linux | 18.04 LTS bionic | Not affected |
| 17.10 artful | Not affected |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Not affected |
| linux-aws | 18.04 LTS bionic | Not affected |
| 17.10 artful | Not in release |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Not affected |
| linux-azure | 18.04 LTS bionic | Not affected |
| 17.10 artful | Not in release |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Not affected |
| linux-euclid | 18.04 LTS bionic | Not in release |
| 17.10 artful | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-flo | 18.04 LTS bionic | Not in release |
| 17.10 artful | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gcp | 18.04 LTS bionic | Not affected |
| 17.10 artful | Not in release |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Not in release |
| linux-gke | 18.04 LTS bionic | Not in release |
| 17.10 artful | Not in release |
| 16.04 LTS xenial | Ignored end of standard support, was needs-triage |
| 14.04 LTS trusty | Not in release |
| linux-goldfish | 18.04 LTS bionic | Not in release |
| 17.10 artful | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-grouper | 18.04 LTS bionic | Not in release |
| 17.10 artful | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-hwe | 18.04 LTS bionic | Not affected |
| 17.10 artful | Not in release |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Not in release |
| linux-hwe-edge | 18.04 LTS bionic | Fixed 4.18.0-8.9~18.04.1 |
| 17.10 artful | Not in release |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Not in release |
| linux-kvm | 18.04 LTS bionic | Not affected |
| 17.10 artful | Not in release |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Not in release |
| linux-lts-trusty | 18.04 LTS bionic | Not in release |
| 17.10 artful | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-lts-utopic | 18.04 LTS bionic | Not in release |
| 17.10 artful | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-lts-vivid | 18.04 LTS bionic | Not in release |
| 17.10 artful | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-lts-wily | 18.04 LTS bionic | Not in release |
| 17.10 artful | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-lts-xenial | 18.04 LTS bionic | Not in release |
| 17.10 artful | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not affected |
| linux-maguro | 18.04 LTS bionic | Not in release |
| 17.10 artful | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-mako | 18.04 LTS bionic | Not in release |
| 17.10 artful | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-manta | 18.04 LTS bionic | Not in release |
| 17.10 artful | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oem | 18.04 LTS bionic | Not affected |
| 17.10 artful | Not in release |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Not in release |
| linux-raspi2 | 18.04 LTS bionic | Not affected |
| 17.10 artful | Not affected |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Not in release |
| linux-snapdragon | 18.04 LTS bionic | Not affected |
| 17.10 artful | Not affected |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Not in release |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)
* [Patch details](https://ubuntu.com/security/CVE-2018-11232?format=md#patch-details)

### Patch details

For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)

| Package | Patch details |
| --- | --- |
| linux | * Introduced by   [d52c975](https://git.kernel.org/linus/d52c9750f150111dc7f73e4036f6948b20c9f8c3),   fixed by   [f094446](https://git.kernel.org/linus/f09444639099584bc4784dfcd85ada67c6f33e0f) |

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

5.5 · Medium

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Local |
  | Attack complexity | Low |
  | Privileges required | Low |
  | User interaction | None |
  | Scope | Unchanged |
  | Confidentiality impact | None |
  | Integrity impact | None |
  | Availability impact | High |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 5.5 · Medium |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-11232)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2018-11232)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2018-11232)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2018-11232)

### Other references

* <http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f09444639099584bc4784dfcd85ada67c6f33e0f>
* <https://github.com/torvalds/linux/commit/f09444639099584bc4784dfcd85ada67c6f33e0f>
* <https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.2>
* <https://www.cve.org/CVERecord?id=CVE-2018-11232>
