CVE-2020-25742
QEMU PCI NULL Pointer Dereference
Description
pci_change_irq_level in hw/pci/pci.c in QEMU before 5.1.1 has a NULL pointer dereference because pci_get_bus() might not return a valid pointer.
INFO
Published Date :
Oct. 6, 2020, 3:15 p.m.
Last Modified :
Oct. 7, 2020, 1:32 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
1.4
Exploitability Score :
1.5
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-2020-25742.
| URL | Resource |
|---|---|
| http://www.openwall.com/lists/oss-security/2020/09/29/1 | Mailing List Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1883178 | Issue Tracking Patch Third Party Advisory |
| https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05294.html | Mailing List Patch Third Party Advisory |
| https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Flsi_nullptr1 | 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-2020-25742 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-25742 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 -
Initial Analysis by [email protected]
Oct. 07, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L Changed Reference Type http://www.openwall.com/lists/oss-security/2020/09/29/1 No Types Assigned http://www.openwall.com/lists/oss-security/2020/09/29/1 Mailing List, Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1883178 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1883178 Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05294.html No Types Assigned https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05294.html Mailing List, Patch, Third Party Advisory Changed Reference Type https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Flsi_nullptr1 No Types Assigned https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Flsi_nullptr1 Third Party Advisory Added CWE NIST CWE-476 Added CPE Configuration OR *cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* versions up to (excluding) 5.1.1
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-25742 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-2020-25742
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
0.12212
percentile