CVE-2019-19448
Apache Linux Kernel Use-After-Free Vulnerability in Btrfs Filesystem
Description
In the Linux kernel 5.0.21 and 5.3.11, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in try_merge_free_space in fs/btrfs/free-space-cache.c because the pointer to a left data structure can be the same as the pointer to a right data structure.
INFO
Published Date :
Dec. 8, 2019, 2:15 a.m.
Last Modified :
Oct. 3, 2023, 3:39 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
Affected Products
The following products are affected by CVE-2019-19448
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.
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-2019-19448.
| URL | Resource |
|---|---|
| https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19448 | Exploit Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html | Mailing List Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20200103-0001/ | Third Party Advisory |
| https://usn.ubuntu.com/4578-1/ | 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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-19448 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-19448 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 -
Reanalysis by [email protected]
Oct. 03, 2023
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:5.0.21:*:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.3.11:*:*:*:*:*:*:* OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 2.6.31 up to (excluding) 4.4.233 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.5.0 up to (excluding) 4.9.233 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 up to (excluding) 4.14.194 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.19.141 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.60 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5.0 up to (excluding) 5.7.17 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.8 up to (excluding) 5.8.3 -
Modified Analysis by [email protected]
Feb. 27, 2023
Action Type Old Value New Value Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html Mailing List, Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html Mailing List, Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/10/msg00034.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 Changed Reference Type https://usn.ubuntu.com/4578-1/ No Types Assigned https://usn.ubuntu.com/4578-1/ Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* 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:data_availability_services:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:a700s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:a700s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:fas_8300_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:fas_8300:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:fas_8700_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:fas_8700:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:fas_a400_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:fas_a400:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:aff_8300_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:aff_8300:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:aff_8700_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:aff_8700:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:aff_a400_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:aff_a400:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:h610s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h610s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Nov. 02, 2020
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html [No Types Assigned] Added Reference https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html [No Types Assigned] -
CVE Modified by [email protected]
Oct. 16, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4578-1/ [No Types Assigned] -
CVE Modified by [email protected]
Sep. 28, 2020
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html [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. 10, 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-2019-19448 No Types Assigned https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19448 Exploit, Third Party Advisory Added CWE NIST CWE-416 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:5.0.21:*:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.3.11:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-19448 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-2019-19448
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.12 }} 0.02%
score
0.45816
percentile