CVE-2018-18397 is a medium-severity access control vulnerability affecting the Linux kernel before version 4.19.7, specifically impacting Canonical and Red Hat distributions. It allows a local attacker with low privileges to write data into holes within a tmpfs file, even if they only have read-only access to that file. While the CVSS score is 5.5, indicating a moderate impact on integrity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.19.7CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
3.11CPE matchmatch criteria | cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:* | ||
4.0CPE matchmatch criteria | cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:* | ||
7.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* | ||
7.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.