CVE-2017-2636

high

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

Advisories

https://bugzilla.redhat.com/show_bug.cgi?id=1428319

https://access.redhat.com/errata/RHSA-2017:1488

https://access.redhat.com/errata/RHSA-2017:1233

https://access.redhat.com/errata/RHSA-2017:1232

https://access.redhat.com/errata/RHSA-2017:1126

https://access.redhat.com/errata/RHSA-2017:1125

https://access.redhat.com/errata/RHSA-2017:0986

https://access.redhat.com/errata/RHSA-2017:0933

https://access.redhat.com/errata/RHSA-2017:0932

https://access.redhat.com/errata/RHSA-2017:0931

https://access.redhat.com/errata/RHSA-2017:0892

https://a13xp0p0v.github.io/2017/03/24/CVE-2017-2636.html

http://www.securitytracker.com/id/1037963

http://www.securityfocus.com/bid/96732

http://www.openwall.com/lists/oss-security/2017/03/07/6

http://www.debian.org/security/2017/dsa-3804

Details

Source: Mitre, NVD

Published: 2017-03-07

Updated: 2025-04-20

Risk Information

CVSS v2

Base Score: 6.9

Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7

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

Severity: High

EPSS

EPSS: 0.00457

Detections

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