CVE-2019-19036

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

btrfs_root_node in fs/btrfs/ctree.c in the Linux kernel through 5.3.12 allows a NULL pointer dereference because rcu_dereference(root->node) can be zero.

La función btrfs_root_node en el archivo fs/btrfs/ctree.c en el kernel de Linux versiones hasta 5.3.12, permite una desreferencia del puntero NULL porque la función rcu_dereference(root-)node) puede ser cero.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-11-17 CVE Reserved
2019-11-21 CVE Published
2023-03-08 EPSS Updated
2024-08-05 CVE Updated
2024-08-05 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-476: NULL Pointer Dereference

CAPEC

References (5)

URL	Tag	Source
https://security.netapp.com/advisory/ntap-20191205-0001	X_refsource_confirm

URL	Date	SRC
https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19036	2024-08-05

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html	2020-08-03
https://usn.ubuntu.com/4414-1	2020-08-03
https://usn.ubuntu.com/4439-1	2020-08-03

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				<= 5.3.12 Search vendor "Linux" for product "Linux Kernel" and version " <= 5.3.12"		-		Affected