CVE-2018-20976

MEDIUM

Description

An issue was discovered in fs/xfs/xfs_super.c in the Linux kernel before 4.18. A use after free exists, related to xfs_fs_fill_super failure.

References

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c9fbd7bbc23dbdd73364be4d045e5d3612cf6e82

https://security.netapp.com/advisory/ntap-20190905-0002/

Details

Source: MITRE

Published: 2019-08-19

Updated: 2019-09-06

Type: CWE-416

Risk Information

CVSS v2.0

Base Score: 4.6

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

Impact Score: 6.4

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3.0

Base Score: 7.8

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

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH