CVE-2019-19767
Linux Kernel ext4 Use After Free Memory Corruption
Description
The Linux kernel before 5.4.2 mishandles ext4_expand_extra_isize, as demonstrated by use-after-free errors in __ext4_expand_extra_isize and ext4_xattr_set_entry, related to fs/ext4/inode.c and fs/ext4/super.c, aka CID-4ea99936a163.
INFO
Published Date :
Dec. 12, 2019, 8:15 p.m.
Last Modified :
Jan. 3, 2020, 11:15 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2019-19767 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2019-19767.
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).
Map Vulnerabilities into Different Layers of the Container Image
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-19767 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-19767 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 -
CVE Modified by [email protected]
Mar. 13, 2020
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html [No Types Assigned] -
CVE Modified by [email protected]
Mar. 02, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4284-1/ [No Types Assigned] -
CVE Modified by [email protected]
Mar. 02, 2020
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html [No Types Assigned] -
CVE Modified by [email protected]
Mar. 02, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4287-2/ [No Types Assigned] -
CVE Modified by [email protected]
Feb. 25, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4287-1/ [No Types Assigned] -
CVE Modified by [email protected]
Feb. 05, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4258-1/ [No Types Assigned] -
CVE Modified by [email protected]
Jan. 18, 2020
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2020/01/msg00013.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. 27, 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:N/I:N/A:P) Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type https://bugzilla.kernel.org/show_bug.cgi?id=205609 No Types Assigned https://bugzilla.kernel.org/show_bug.cgi?id=205609 Exploit, Issue Tracking, Vendor Advisory Changed Reference Type https://bugzilla.kernel.org/show_bug.cgi?id=205707 No Types Assigned https://bugzilla.kernel.org/show_bug.cgi?id=205707 Issue Tracking, Vendor Advisory Changed Reference Type https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.2 No Types Assigned https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.2 Release Notes, Vendor Advisory Changed Reference Type https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55a No Types Assigned https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55a Patch, Vendor Advisory Changed Reference Type https://github.com/torvalds/linux/commit/4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55a No Types Assigned https://github.com/torvalds/linux/commit/4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55a Patch, Third Party Advisory Added CWE NIST CWE-416 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.4.2
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-19767 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-2019-19767
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.22 }} 0.03%
score
0.59391
percentile