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Unscored USN-3220-2 1 CVE

linux-lts-xenial vulnerability

Published Mar 8, 2017 · Updated Feb 10, 2026

Summary

USN-3220-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04
LTS. This update provides the corresponding updates for the Linux
Hardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu
14.04 LTS.

Alexander Popov discovered that the N_HDLC line discipline implementation
in the Linux kernel contained a double-free vulnerability. A local attacker
could use this to cause a denial of service (system crash) or possibly gain
administrative privileges.

Fixed packages 1

ReleasePackageFixed in
Ubuntu · 14.04 LTS 14.04:LTS linux-lts-xenial 4.4.0-66.87~14.04.1

Vulnerabilities 1

References

  • report
    https://ubuntu.com/security/CVE-2017-2636