7.8
HIGH
CVE-2019-19377
Critical Btrfs Use-After-Free Vulnerability in Linux Kernel
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.

INFO

Published Date :

Nov. 29, 2019, 4:15 p.m.

Last Modified :

Oct. 3, 2023, 3:39 p.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Public PoC/Exploit Available at Github

CVE-2019-19377 has a 3 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2019-19377 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Netapp active_iq_unified_manager
2 Netapp cloud_backup
3 Netapp steelstore_cloud_integrated_storage
4 Netapp solidfire_baseboard_management_controller
1 Linux linux_kernel
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2019-19377.

URL Resource
https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19377 Exploit Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20200103-0001/ Third Party Advisory VDB Entry
https://usn.ubuntu.com/4367-1/ Third Party Advisory
https://usn.ubuntu.com/4369-1/ Third Party Advisory
https://usn.ubuntu.com/4414-1/ Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

Updated: 3 weeks ago
6 stars 0 fork 0 watcher
Born at : Feb. 25, 2023, 10:40 a.m. This repo has been linked 178 different CVEs too.

Map Vulnerabilities into Different Layers of the Container Image

Python

Updated: 1 year, 8 months ago
1 stars 0 fork 0 watcher
Born at : Oct. 5, 2022, 12:07 p.m. This repo has been linked 1276 different CVEs too.

A collection of links related to Linux kernel security and exploitation

linux-kernel kernel-exploitation exploit privilege-escalation security

Updated: 1 week, 1 day ago
5527 stars 902 fork 902 watcher
Born at : Nov. 13, 2016, 10:21 p.m. This repo has been linked 225 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-19377 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-19377 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Oct. 03, 2023

    Action Type Old Value New Value
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html Mailing List, Third Party Advisory
    Changed Reference Type https://security.netapp.com/advisory/ntap-20200103-0001/ No Types Assigned https://security.netapp.com/advisory/ntap-20200103-0001/ Third Party Advisory, VDB Entry
    Changed Reference Type https://usn.ubuntu.com/4367-1/ No Types Assigned https://usn.ubuntu.com/4367-1/ Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/4369-1/ No Types Assigned https://usn.ubuntu.com/4369-1/ Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/4414-1/ No Types Assigned https://usn.ubuntu.com/4414-1/ Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:5.0.21:*:*:*:*:*:*:* OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 2.6.12 up to (excluding) 4.19.156 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.33 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5.0 up to (excluding) 5.5.18 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.6 up to (excluding) 5.6.5
    Added CPE Configuration OR *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:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Dec. 11, 2020

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 29, 2020

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/4414-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    May. 30, 2020

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/4369-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    May. 21, 2020

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/4367-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 03, 2020

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20200103-0001/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Dec. 04, 2019

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19377 No Types Assigned https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19377 Exploit, Third Party Advisory
    Added CWE NIST CWE-416
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:5.0.21:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-19377 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-19377 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.23 }} 0.03%

score

0.61189

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability