CVE-2018-18386
Low
CVE-2018-18386
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.
Exploit probability
0.4%
Published
October 17, 2018
Required by
Not available
Last source change
March 15, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2018-18386
View original source
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.
05 / REFERENCES
Further evidence
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=966031f340185eddd05affcf72b740549f056348
- https://access.redhat.com/errata/RHSA-2019:0831
- https://bugzilla.suse.com/show_bug.cgi?id=1094825
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.11
- https://github.com/torvalds/linux/commit/966031f340185eddd05affcf72b740549f056348
- https://usn.ubuntu.com/3849-1/
- https://usn.ubuntu.com/3849-2/