CVE-2019-19036

medium

Description

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.

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/

Details

Published: 2019-11-21

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H