CVE-2017-2636high
Description
Race condition in drivers/tty/n_hdlc.c in the Linux kernel through 4.10.1 allows local users to gain privileges or cause a denial of service (double free) by setting the HDLC line discipline.
References
http://www.debian.org/security/2017/dsa-3804
http://www.openwall.com/lists/oss-security/2017/03/07/6
http://www.securityfocus.com/bid/96732
http://www.securitytracker.com/id/1037963
https://a13xp0p0v.github.io/2017/03/24/CVE-2017-2636.html
https://access.redhat.com/errata/RHSA-2017:0892
https://access.redhat.com/errata/RHSA-2017:0931
https://access.redhat.com/errata/RHSA-2017:0932
https://access.redhat.com/errata/RHSA-2017:0933
https://access.redhat.com/errata/RHSA-2017:0986
https://access.redhat.com/errata/RHSA-2017:1125
https://access.redhat.com/errata/RHSA-2017:1126
https://access.redhat.com/errata/RHSA-2017:1232
https://access.redhat.com/errata/RHSA-2017:1233
Details
Source: MITRE
Published: 2017-03-07
Updated: 2018-01-05
Type: CWE-362
Risk Information
CVSS v2
Base Score: 7.2
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 3.9
Severity: HIGH
CVSS v3
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 1.8
Severity: HIGH