CVE-2016-0723

Medium

Race condition in the tty_ioctl function in drivers/tty/tty_io.c in the Linux kernel through 4.4.1 allows local users to obtain sensitive information from kernel memory or cause a denial of service (use-after-free and system crash) by making a TIOCGETD ioctl call during processing of a TIOCSETD ioctl call.

Package Linux Kernel
Published 2016-02-08
Last modified 2026-05-06
CVSS version 3.0
Patch available
Awaiting data

CVSS 3.0 score

6.8

out of 10
Medium
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High
Vector string
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

Weakness type

CWE-200

CVE-2016-0723 is a Information Exposure vulnerability

What is Information Exposure?

The product exposes sensitive information to an actor not authorised to see it. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2016-0723 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2016-0723?

    CVE-2016-0723 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.8 out of 10 , classified as an Information Exposure flaw (CWE-200) . CVE-2016-0723 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2016-0723?

    CVE-2016-0723 has a CVSS score of 6.8 out of 10, rated Medium severity (CVSS 3.0). The vector string is CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H .

  • Is there a patch available for CVE-2016-0723?

    No patch is currently available for CVE-2016-0723. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2016-0723 actively exploited?

    No — CVE-2016-0723 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

  • What is Information Exposure (CWE-200)?

    The product exposes sensitive information to an actor not authorised to see it. View CWE-200 on MITRE CWE →

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