CVE-2019-19447

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.

CVSS v3.0 7.8 HIGH
CVSS v2.0 6.8 MEDIUM

7.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19447	Exploit Third Party Advisory
https://security.netapp.com/advisory/ntap-20200103-0001/
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html

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Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:5.0.21:*:*:*:*:*:*:*

Information

Published : 2019-12-07 17:15

Updated : 2020-06-10 06:15

NVD link : CVE-2019-19447

Mitre link : CVE-2019-19447

JSON object : View

CWE

CWE-416

Use After Free

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Products Affected

linux

linux_kernel

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