CVE-2019-19377

Severity CVSS v4.0:

Pending analysis

Type:

CWE-416 Use After Free

Publication date:

29/11/2019

Last modified:

03/10/2023

Description

In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and unmounting can lead to a use-after-free in btrfs_queue_work in fs/btrfs/async-thread.c.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

7.80

Severity 3.x

HIGH

Vector 2.0

AV:N/AC:M/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.80 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0

6.80

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	2.6.12 (including)	4.19.156 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.20 (including)	5.4.33 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.5.0 (including)	5.5.18 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.6 (including)	5.6.5 (excluding)
cpe:2.3:a:netapp:active_iq_unified_manager:-:::::vmware_vsphere::
cpe:2.3:a:netapp:cloud_backup:-:::::::*
cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:::::::*
cpe:2.3:h:netapp:solidfire_baseboard_management_controller:-:::::::*

To consult the complete list of CPE names with products and versions, see this page

CVE-2019-19377

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools