CVE-2018-18386
Advisory lineage Upstream: 0 Downstream: 24
Modified
Published: 17 Oct 2018, 20:00
Last modified:05 Aug 2024, 11:08
Vulnerability Summary
Overall Risk (default)
low
13/100 CVSS Score
3.3 LOW
v3.0 (nvd)
EPSS Score
0.04% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
17 Oct 2018, 20:00
Published
Vulnerability first disclosed
05 Aug 2024, 11:08
Last Modified
Vulnerability information updated
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.
CVSS Metrics
- v3.0•LOW•Score: 3.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:N/I:N/A:P
EPSS Trends
Current EPSS score: 0.04%• Percentile: 13%
Techniques & Countermeasures
- CWE-704•Incorrect Type Conversion or Cast
The product does not correctly convert an object, resource, or structure from one type to a different type.
Affected Systems
- canonical•ubuntu_linux
12.04 | 14.04
- linux•linux_kernel
< 4.14.11
References (7)
- https://usn.ubuntu.com/3849-1/
- https://bugzilla.suse.com/show_bug.cgi?id=1094825
- https://usn.ubuntu.com/3849-2/
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.11
- https://github.com/torvalds/linux/commit/966031f340185eddd05affcf72b740549f056348
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=966031f340185eddd05affcf72b740549f056348
- https://access.redhat.com/errata/RHSA-2019:0831