CVE-2023-45898

2023-10-2322:00:21

redhat.com

access.redhat.com

ext4

file system

denial of service

linux kernel

vulnerability

use-after-free

panic

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

0.0004 Low

EPSS

Percentile

5.1%

JSON

A use-after-free flaw was found in the EXT4 file system, related to ext4_es_insert_extent, in the Linux Kernel. This issue may allow an attacker to create a crafted EXT4 file system which will trigger the vulnerability and lead the kernel to PANIC, causing a denial of service on the targeted system.