AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2018-1093

MEDIUM · CVSS 5.5 EPSS 2.00%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2018-04-02 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.5. It affects Linux. It may lead to a denial-of-service condition.

CVE
CVE-2018-1093
Severity
MEDIUM
CVSS
5.5
EPSS
2.00%
Linux

Original NVD Description

The ext4_valid_block_bitmap function in fs/ext4/balloc.c in the Linux kernel through 4.15.15 allows attackers to cause a denial of service (out-of-bounds read and system crash) via a crafted ext4 image because balloc.c and ialloc.c do not validate bitmap block numbers.

Related CVEs

Other vulnerabilities affecting the same vendor(s)