CVE-2019-19447

HIGH

Linux kernel 5.0.21 - Use After Free

Title source: llm
STIX 2.1

Description

In the Linux kernel 5.0.21, mounting a crafted ext4 filesystem image, performing some operations, and unmounting can lead to a use-after-free in ext4_put_super in fs/ext4/super.c, related to dump_orphan_list in fs/ext4/super.c.

Exploits (1)

nomisec WORKING POC
by Trinadh465 · poc
https://github.com/Trinadh465/linux-4.19.72_CVE-2019-19447

References (6)

Core 6
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19447
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20200103-0001/
Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html

Scores

CVSS v3 7.8
EPSS 0.0169
EPSS Percentile 82.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-416
Status published
Products (7)
linux/linux_kernel 2.6.12 - 3.16.82
netapp/active_iq_unified_manager
netapp/cloud_backup
netapp/data_availability_services
netapp/hci_baseboard_management_controller h610s
netapp/solidfire_baseboard_management_controller
netapp/steelstore_cloud_integrated_storage
Published Dec 08, 2019
Tracked Since Feb 18, 2026