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.

SeverityHigh

CVSS7.0

Exploit probability—

Product

Linux Kernel

PublishedMar 7, 2017

First seenMar 7, 2017

How to fix

Update

linux linux_kernel3.2.87, 3.10.106, 3.12.72, 3.16.42, 3.18.49, 4.1.49, 4.4.54, 4.9.15, 4.10.3 or later

Vendor advisories

Affected products

Product	Affected versions	Fixed in
linux linux_kernel	2.6.31 ≤ v < 3.2.87, 3.3 ≤ v < 3.10.106, 3.11 ≤ v < 3.12.72, 3.13 ≤ v < 3.16.42, 3.17 ≤ v < 3.18.49, 3.19 ≤ v < 4.1.49, 4.2 ≤ v < 4.4.54, 4.5 ≤ v < 4.9.15, 4.10 ≤ v < 4.10.3	3.2.87, 3.10.106, 3.12.72, 3.16.42, 3.18.49, 4.1.49, 4.4.54, 4.9.15, 4.10.3
debian debian_linux	8.0	—

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