3.3
LOW
CVE-2021-46934
Linux i2c: Invalid User Data Parsing Buffer Overwrite Vulnerability
Description

In the Linux kernel, the following vulnerability has been resolved: i2c: validate user data in compat ioctl Wrong user data may cause warning in i2c_transfer(), ex: zero msgs. Userspace should not be able to trigger warnings, so this patch adds validation checks for user data in compact ioctl to prevent reported warnings

INFO

Published Date :

Feb. 27, 2024, 10:15 a.m.

Last Modified :

April 10, 2024, 6:19 p.m.

Source :

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

Remotely Exploitable :

No

Impact Score :

1.4

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2021-46934 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
: Total Affected Vendor : 1 | Products : 1
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-2021-46934.

URL Resource
https://git.kernel.org/stable/c/407c8708fb1bf2d4afc5337ef50635cf540c364b Patch
https://git.kernel.org/stable/c/8d31cbab4c295d7010ebb729e9d02d0e9cece18f Patch
https://git.kernel.org/stable/c/9e4a3f47eff476097e0c7faac04d1831fc70237d Patch
https://git.kernel.org/stable/c/bb436283e25aaf1533ce061605d23a9564447bdf Patch
https://git.kernel.org/stable/c/f68599581067e8a5a8901ba9eb270b4519690e26 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-2021-46934 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-46934 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:L/A:N
    Changed Reference Type https://git.kernel.org/stable/c/407c8708fb1bf2d4afc5337ef50635cf540c364b No Types Assigned https://git.kernel.org/stable/c/407c8708fb1bf2d4afc5337ef50635cf540c364b Patch
    Changed Reference Type https://git.kernel.org/stable/c/8d31cbab4c295d7010ebb729e9d02d0e9cece18f No Types Assigned https://git.kernel.org/stable/c/8d31cbab4c295d7010ebb729e9d02d0e9cece18f Patch
    Changed Reference Type https://git.kernel.org/stable/c/9e4a3f47eff476097e0c7faac04d1831fc70237d No Types Assigned https://git.kernel.org/stable/c/9e4a3f47eff476097e0c7faac04d1831fc70237d Patch
    Changed Reference Type https://git.kernel.org/stable/c/bb436283e25aaf1533ce061605d23a9564447bdf No Types Assigned https://git.kernel.org/stable/c/bb436283e25aaf1533ce061605d23a9564447bdf Patch
    Changed Reference Type https://git.kernel.org/stable/c/f68599581067e8a5a8901ba9eb270b4519690e26 No Types Assigned https://git.kernel.org/stable/c/f68599581067e8a5a8901ba9eb270b4519690e26 Patch
    Added CWE NIST CWE-754
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15.0 up to (excluding) 4.19.224 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20.0 up to (excluding) 5.4.170 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5.0 up to (excluding) 5.10.90 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11.0 up to (excluding) 5.15.13
  • 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: i2c: validate user data in compat ioctl Wrong user data may cause warning in i2c_transfer(), ex: zero msgs. Userspace should not be able to trigger warnings, so this patch adds validation checks for user data in compact ioctl to prevent reported warnings
    Added Reference Linux https://git.kernel.org/stable/c/407c8708fb1bf2d4afc5337ef50635cf540c364b [No types assigned]
    Added Reference Linux https://git.kernel.org/stable/c/9e4a3f47eff476097e0c7faac04d1831fc70237d [No types assigned]
    Added Reference Linux https://git.kernel.org/stable/c/8d31cbab4c295d7010ebb729e9d02d0e9cece18f [No types assigned]
    Added Reference Linux https://git.kernel.org/stable/c/f68599581067e8a5a8901ba9eb270b4519690e26 [No types assigned]
    Added Reference Linux https://git.kernel.org/stable/c/bb436283e25aaf1533ce061605d23a9564447bdf [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-2021-46934 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-2021-46934 weaknesses.

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