Base Score

MEDIUM5.5

CVE-2019-19036

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.

VectorLOCAL

Published Bycve@mitre.org

Published DateNov 21, 2019, 02:15

Weakness Type (CWE):CWE-476

CVSS Metrics

Base Score

5.5

Vector String

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Base Severity

MEDIUM

Version

3.1

Attack Vector (AV)

LOCAL

Attack Complexity (AC)

LOW

Privileges Required (PR)

NONE

User Interaction (UI)

REQUIRED

Scope (S)

UNCHANGED

Confidentiality (C)

NONE

Integrity (I)

NONE

Availability (A)

HIGH

References

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19036
https://security.netapp.com/advisory/ntap-20191205-0001/
https://usn.ubuntu.com/4414-1/
https://usn.ubuntu.com/4439-1/

Base Score

MEDIUM5.5

Weakness Type (CWE):CWE-476

CVSS Metrics

Base Score

5.5

Vector String

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Base Severity

MEDIUM

Version

3.1

Attack Vector (AV)

LOCAL

Attack Complexity (AC)

LOW

Privileges Required (PR)

NONE

User Interaction (UI)

REQUIRED

Scope (S)

UNCHANGED

Confidentiality (C)

NONE

Integrity (I)

NONE

Availability (A)

HIGH