CVE-2018-20449
Qualcomm Hidma Debugfs Local Address Information Disclosure
Description
The hidma_chan_stats function in drivers/dma/qcom/hidma_dbg.c in the Linux kernel 4.14.90 allows local users to obtain sensitive address information by reading "callback=" lines in a debugfs file.
INFO
Published Date :
April 4, 2019, 4:29 p.m.
Last Modified :
Nov. 7, 2023, 2:56 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
Affected Products
The following products are affected by CVE-2018-20449
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-2018-20449.
| URL | Resource |
|---|---|
| https://elixir.bootlin.com/linux/v4.14.90/source/drivers/dma/qcom/hidma_dbg.c#L92 | Patch Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20190502-0002/ | Third Party Advisory |
| https://www.mail-archive.com/debian-security-tracker%40lists.debian.org/msg03808.html |
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-2018-20449 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-20449 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. 07, 2023
Action Type Old Value New Value Added Reference MITRE https://www.mail-archive.com/debian-security-tracker%40lists.debian.org/msg03808.html [No types assigned] Removed Reference MITRE https://www.mail-archive.com/[email protected]/msg03808.html -
Modified Analysis by [email protected]
May. 02, 2019
Action Type Old Value New Value Changed Reference Type https://security.netapp.com/advisory/ntap-20190502-0002/ No Types Assigned https://security.netapp.com/advisory/ntap-20190502-0002/ Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:netapp:element_software_management_node:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
May. 02, 2019
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20190502-0002/ [No Types Assigned] -
Initial Analysis by [email protected]
Apr. 07, 2019
Action Type Old Value New Value Added CVSS V2 (AV:L/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://elixir.bootlin.com/linux/v4.14.90/source/drivers/dma/qcom/hidma_dbg.c#L92 No Types Assigned https://elixir.bootlin.com/linux/v4.14.90/source/drivers/dma/qcom/hidma_dbg.c#L92 Patch, Third Party Advisory Changed Reference Type https://www.mail-archive.com/[email protected]/msg03808.html No Types Assigned https://www.mail-archive.com/[email protected]/msg03808.html Mailing List, Third Party Advisory Added CWE CWE-200 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:4.14.90:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-20449 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-2018-20449
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
0.05635
percentile