CVE-2020-14390
Linux Kernel Denial of Service/Privilege Escalation Vulnerability
Description
A flaw was found in the Linux kernel in versions before 5.9-rc6. When changing screen size, an out-of-bounds memory write can occur leading to memory corruption or a denial of service. Due to the nature of the flaw, privilege escalation cannot be fully ruled out.
INFO
Published Date :
Sept. 18, 2020, 6:15 p.m.
Last Modified :
Nov. 2, 2020, 9:15 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
4.7
Exploitability Score :
0.8
Public PoC/Exploit Available at Github
CVE-2020-14390 has a 2 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-2020-14390.
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
None
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-14390 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-14390 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]
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. 11, 2020
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html [No Types Assigned] -
CVE Modified by [email protected]
Oct. 02, 2020
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00001.html [No Types Assigned] -
CVE Modified by [email protected]
Sep. 30, 2020
Action Type Old Value New Value Changed Description A flaw was found in the Linux kernel in versions from 2.2.3 through 5.9.rc5. When changing screen size, an out-of-bounds memory write can occur leading to memory corruption or a denial of service. This highest threat from this vulnerability is to system availability. A flaw was found in the Linux kernel in versions before 5.9-rc6. When changing screen size, an out-of-bounds memory write can occur leading to memory corruption or a denial of service. Due to the nature of the flaw, privilege escalation cannot be fully ruled out. Removed Reference https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=50145474f6ef4a9c19205b173da6264a644c7489 [Patch, Third Party Advisory, Vendor Advisory] Removed Reference https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html [Third Party Advisory] Removed Reference https://seclists.org/oss-sec/2020/q3/174 [Exploit, Mailing List, Third Party Advisory] Removed Reference https://www.openwall.com/lists/oss-security/2020/09/15/2 [Exploit, Mailing List, Third Party Advisory] Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1876788 [No Types Assigned] -
Initial Analysis by [email protected]
Sep. 29, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=50145474f6ef4a9c19205b173da6264a644c7489 No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=50145474f6ef4a9c19205b173da6264a644c7489 Patch, Third Party Advisory, Vendor Advisory 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 Third Party Advisory Changed Reference Type https://seclists.org/oss-sec/2020/q3/174 No Types Assigned https://seclists.org/oss-sec/2020/q3/174 Exploit, Mailing List, Third Party Advisory Changed Reference Type https://www.openwall.com/lists/oss-security/2020/09/15/2 No Types Assigned https://www.openwall.com/lists/oss-security/2020/09/15/2 Exploit, Mailing List, Third Party Advisory Added CWE NIST CWE-787 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 2.2.3 up to (excluding) 5.9.0 *cpe:2.3:o:linux:linux_kernel:5.9.0:-:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.9.0:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.9.0:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.9.0:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.9.0:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.9.0:rc5:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* -
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]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-14390 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-2020-14390
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.12065
percentile