CVEvulnerability

CVE-2018-1093

5.5 MEDIUM Published 2018-04-02 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2018-04-02
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
5.5 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
7.1 HIGH — AV:N/AC:M/Au:N/C:N/I:N/A:C
Weaknesses
CWE-125

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.

Affected configurations

• linux linux kernel (<= 4.15.15)

Related

Weakness · CWE (1)

  • CWE-125 Out-of-bounds Read weakness

References