CVE-2018-10840

HIGH

Description

Linux kernel is vulnerable to a heap-based buffer overflow in the fs/ext4/xattr.c:ext4_xattr_set_entry() function. An attacker could exploit this by operating on a mounted crafted ext4 image.

References

http://www.securityfocus.com/bid/104858

https://access.redhat.com/errata/RHSA-2019:0162

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10840

https://usn.ubuntu.com/3752-1/

https://usn.ubuntu.com/3752-2/

https://usn.ubuntu.com/3752-3/

Details

Source: MITRE

Published: 2018-07-16

Updated: 2019-03-04

Type: CWE-119

Risk Information

CVSS v2.0

Base Score: 7.2

Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 3.9

Severity: HIGH

CVSS v3.0

Base Score: 6.6

Vector: CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 0.7

Severity: MEDIUM