Vulnerability Details : 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.
Vulnerability category: Memory Corruption
Products affected by CVE-2019-19036
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-19036
0.23%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 61 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-19036
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2019-19036
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-19036
-
https://usn.ubuntu.com/4414-1/
USN-4414-1: Linux kernel vulnerabilities | Ubuntu security notices | Ubuntu
-
https://security.netapp.com/advisory/ntap-20191205-0001/
November 2019 Linux Kernel Vulnerabilities in NetApp Products | NetApp Product Security
-
https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19036
CVE/CVE-2019-19036 at master · bobfuzzer/CVE · GitHubExploit;Third Party Advisory
-
https://usn.ubuntu.com/4439-1/
USN-4439-1: Linux kernel vulnerabilities | Ubuntu security notices | Ubuntu
-
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
[security-announce] openSUSE-SU-2020:0336-1: important: Security update
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