CVE Vulnerability

CVE-2019-19448

In the Linux kernel 5.0.21 and 5.3.11, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in try_merge_free_space in fs/btrfs/free-space-cache.c because the pointer to a left data structure can be the same as the pointer to a right data structure.

6.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

7.8 /10

CVSS v3.0 : HIGH

V3 Legend

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

References
Link Resource
https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19448 Exploit Third Party Advisory
https://security.netapp.com/advisory/ntap-20200103-0001/
https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html
https://usn.ubuntu.com/4578-1/
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
Configurations

Configuration 1

cpe:2.3:o:linux:linux_kernel:5.0.21:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.3.11:*:*:*:*:*:*:*
Information

Published : 2019-12-08 02:15

Updated : 2020-11-02 09:15

NVD link : CVE-2019-19448

Mitre link : CVE-2019-19448

Products Affected

Aff 8700 Firmware

Netapp

CWE
CWE-416