CVE-2019-19319

Published Nov 27, 2019

Last updated 4 years ago

Overview

Description
In the Linux kernel before 5.2, a setxattr operation, after a mount of a crafted ext4 image, can cause a slab-out-of-bounds write access because of an ext4_xattr_set_entry use-after-free in fs/ext4/xattr.c when a large old_size value is used in a memset call, aka CID-345c0dbf3a30.
Source
cve@mitre.org
NVD status
Modified

Risk scores

CVSS 3.1

Type
Primary
Base score
6.5
Impact score
5.9
Exploitability score
0.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Severity
MEDIUM

CVSS 2.0

Type
Primary
Base score
4.4
Impact score
6.4
Exploitability score
3.4
Vector string
AV:L/AC:M/Au:N/C:P/I:P/A:P

Weaknesses

nvd@nist.gov
CWE-416

Social media

Hype score
Not currently trending

Configurations