CVE-2018-18386 is a low-severity vulnerability in the Linux kernel (before 4.14.11) affecting pseudo terminal devices, including those in Canonical Ubuntu Linux. It allows local attackers to cause a denial of service by hanging or blocking further usage of pseudo terminals due to a confusion between EXTPROC and ICANON in TIOCINQ. The CVSS score is 3.3, indicating a low impact (availability) with low attack complexity and requiring local access. There is no evidence of active exploitation, public exploit code, or significant community discussion, suggesting a low immediate threat.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.14.11CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
12.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* | ||
14.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.