vulnerability

F5 Networks: K18015201 (CVE-2017-2636): Linux kernel vulnerability CVE-2017-2636

Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
Mar 7, 2017
Added
Mar 28, 2017
Modified
Feb 13, 2023

Description

A race condition flaw was found in the N_HLDC Linux kernel driver when accessing n_hdlc.tbuf list that can lead to double free. A local, unprivileged user able to set the HDLC line discipline on the tty device could use this flaw to increase their privileges on the system.

Solution

f5-big-ip-upgrade-latest

References

    Title
    Rapid7 Labs

    2026 Global Threat Landscape Report

    The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.