CVE-2018-18386

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CVSS 3.0

3.3 low

EPSS

<1%p35

Published

Oct 17, 2018 (Oct 17, 2018)

Modified

Jun 17, 2026

Description

drivers/tty/n_tty.c in the Linux kernel before 4.14.11 allows local attackers (who are able to access pseudo terminals) to hang/block further usage of any pseudo terminal devices due to an EXTPROC versus ICANON confusion in TIOCINQ.

Vendors: linux canonical
Products: linux kernel, ubuntu linux
Weakness: CWE-704
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

NVD CVE.org GitHub PoCs EPSS (0.4%)

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