Vulnerability DatabaseCVE-2019-19447
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CVE-2019-19447
Published:December 08, 2019
Updated:May 17, 2026
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.
Related Resources (9)
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-19447
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19447
https://security-tracker.debian.org/tracker/CVE-2019-19447
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
https://security.netapp.com/advisory/ntap-20200103-0001/
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
https://access.redhat.com/security/cve/CVE-2019-19447
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CVSS v4
Base Score:
8.5
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.8
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Use After Free
CWE-416
EPSS
Base Score:
1.69