CVE-2020-10773
Linux Kernel s390/s390x CMM Stack Information Leak
Description
A stack information leak flaw was found in s390/s390x in the Linux kernel’s memory manager functionality, where it incorrectly writes to the /proc/sys/vm/cmm_timeout file. This flaw allows a local user to see the kernel data.
INFO
Published Date :
Sept. 10, 2020, 5:15 p.m.
Last Modified :
Nov. 21, 2024, 4:56 a.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | LOW | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the Linux kernel packages.
- Apply the latest available security patches.
Public PoC/Exploit Available at Github
CVE-2020-10773 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-2020-10773.
| URL | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10773 | Issue Tracking Third Party Advisory |
| https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b8e51a6a9db94bc1fb18ae831b3dab106b5a4b5f | Patch Vendor Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10773 | Issue Tracking Third Party Advisory |
| https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b8e51a6a9db94bc1fb18ae831b3dab106b5a4b5f | Patch Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-10773 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-2020-10773
weaknesses.
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
CVE Data Analysis, CVE Monitor, CVE EXP Prediction Based on Deep Learning. 1999-2020年存量CVE数据分析、监控CVE增量更新、基于深度学习的CVE EXP预测和自动化推送
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-2020-10773 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-10773 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10773 Added Reference https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b8e51a6a9db94bc1fb18ae831b3dab106b5a4b5f -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Removed CVSS V3 Red Hat, Inc. AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N Added CVSS V3.1 Red Hat, Inc. AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N -
Reanalysis by [email protected]
Oct. 26, 2021
Action Type Old Value New Value Removed CWE NIST CWE-436 Added CWE NIST NVD-CWE-Other -
Initial Analysis by [email protected]
Sep. 16, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10773 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10773 Issue Tracking, Third Party Advisory Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b8e51a6a9db94bc1fb18ae831b3dab106b5a4b5f No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b8e51a6a9db94bc1fb18ae831b3dab106b5a4b5f Patch, Vendor Advisory Added CWE NIST CWE-436 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:5.4.0:rc6:*:*:*:*:*:*
Vulnerability Scoring Details
Base CVSS Score: 4.4
Base CVSS Score: 2.1
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.06 }} 0.02%
score
0.18046
percentile