CVE-2019-19447

moderate-risk
Published 2019-12-08

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.

Do I need to act?

~
1.7% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (7)

Affected Vendors

Linux Netapp

References (12)

Third Party Advisory http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
Exploit https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19447
Third Party Advisory https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
Third Party Advisory https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
Third Party Advisory https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
Third Party Advisory https://security.netapp.com/advisory/ntap-20200103-0001/
Third Party Advisory http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
Exploit https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19447
Third Party Advisory https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
Third Party Advisory https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
Third Party Advisory https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
Third Party Advisory https://security.netapp.com/advisory/ntap-20200103-0001/
42
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 4/34 · Minimal
Exposure 14/34 · Moderate