CVE-2018-7740 describes a denial-of-service vulnerability in the Linux kernel (through version 4.15.7), specifically within the hugetlb memory management component, affecting distributions like Canonical, Debian, and Red Hat. This flaw allows a local attacker to trigger a system crash (BUG) by crafting an application that uses specific mmap and remap_file_pages system calls with a large pgoff argument. Rated Medium severity (CVSS 5.5), it requires local access and low privileges, with the primary impact being system availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.15.7CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
4.0CPE matchmatch criteria | cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:* | ||
14.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | ||
16.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | ||
7.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux: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:N/A:H
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.