Vulnerability CVE-2018-18386
Published: 2018-10-17

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.

Type:

CWE-704

 (Incorrect Type Conversion or Cast)

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.1/10
2.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Linux -> Linux kernel 
Canonical -> Ubuntu linux 

 References:
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/
Copyright 2024, cxsecurity.com

 

Back to Top