5.5
MEDIUM
CVE-2021-46919
"Intel Ixdm DMA Engine Permission Wrong". (Note: I will come up with the title based on the product/vendor name and vulnerability type, without mentioning any version information and/or parameter.)
Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix wq size store permission state WQ size can only be changed when the device is disabled. Current code allows change when device is enabled but wq is disabled. Change the check to detect device state.

INFO

Published Date :

Feb. 27, 2024, 7:15 a.m.

Last Modified :

April 10, 2024, 2:46 p.m.

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2021-46919 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.

ID Vendor Product Action
1 Linux linux_kernel
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-2021-46919.

URL Resource
https://git.kernel.org/stable/c/05b7791c4c4aa8304368fdc55ae911f6b34e7281 Patch
https://git.kernel.org/stable/c/0fff71c5a311e1264988179f7dcc217fda15fadd Patch
https://git.kernel.org/stable/c/4ecf25595273203010bc8318c4aee60ad64037ae Patch

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-2021-46919 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-46919 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 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 28, 2024

    Action Type Old Value New Value
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Apr. 10, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://git.kernel.org/stable/c/05b7791c4c4aa8304368fdc55ae911f6b34e7281 No Types Assigned https://git.kernel.org/stable/c/05b7791c4c4aa8304368fdc55ae911f6b34e7281 Patch
    Changed Reference Type https://git.kernel.org/stable/c/0fff71c5a311e1264988179f7dcc217fda15fadd No Types Assigned https://git.kernel.org/stable/c/0fff71c5a311e1264988179f7dcc217fda15fadd Patch
    Changed Reference Type https://git.kernel.org/stable/c/4ecf25595273203010bc8318c4aee60ad64037ae No Types Assigned https://git.kernel.org/stable/c/4ecf25595273203010bc8318c4aee60ad64037ae Patch
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.6.0 up to (excluding) 5.10.32 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11.0 up to (excluding) 5.11.16
  • CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Feb. 27, 2024

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix wq size store permission state WQ size can only be changed when the device is disabled. Current code allows change when device is enabled but wq is disabled. Change the check to detect device state.
    Added Reference Linux https://git.kernel.org/stable/c/4ecf25595273203010bc8318c4aee60ad64037ae [No types assigned]
    Added Reference Linux https://git.kernel.org/stable/c/05b7791c4c4aa8304368fdc55ae911f6b34e7281 [No types assigned]
    Added Reference Linux https://git.kernel.org/stable/c/0fff71c5a311e1264988179f7dcc217fda15fadd [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-46919 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-2021-46919 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability