CVE-2018-1093 is a denial-of-service vulnerability affecting the Linux kernel, specifically within the ext4 filesystem's block allocation functions (ext4_valid_block_bitmap). A crafted ext4 image can trigger an out-of-bounds read and system crash due to a lack of bitmap block number validation. This vulnerability has a CVSS score of 5.5 (Medium), indicating it can be exploited locally with low complexity, requiring user interaction (e.g., mounting a malicious image) to achieve a high impact on availability. There is no impact on confidentiality or integrity. Currently, there is no known active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.15.15CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/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.