0.0
NA
CVE-2021-47051
Linux Kernel SPI FSL-LPSPI Privilege Escalation Vulnerability
Description

In the Linux kernel, the following vulnerability has been resolved: spi: fsl-lpspi: Fix PM reference leak in lpspi_prepare_xfer_hardware() pm_runtime_get_sync will increment pm usage counter even it failed. Forgetting to putting operation will result in reference leak here. Fix it by replacing it with pm_runtime_resume_and_get to keep usage counter balanced.

INFO

Published Date :

Feb. 28, 2024, 9:15 a.m.

Last Modified :

Feb. 28, 2024, 2:06 p.m.

Source :

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

Remotely Exploitable :

No

Impact Score :

Exploitability Score :

Affected Products

The following products are affected by CVE-2021-47051 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-2021-47051.

URL Resource
https://git.kernel.org/stable/c/4a01ad002d2e03c399af536562693752af7c81b1
https://git.kernel.org/stable/c/6a2b5cee0d31ab6cc51030c441135b0e31217282
https://git.kernel.org/stable/c/a03675497970a93fcf25d81d9d92a59c2d7377a7
https://git.kernel.org/stable/c/b8207bfc539cd07d15e753ff2d179c5b61c673b1
https://git.kernel.org/stable/c/ce02e58ddf8658a4c3bed2296f32a5873b3f7cce

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-2021-47051 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-47051 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
  • CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Feb. 28, 2024

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: spi: fsl-lpspi: Fix PM reference leak in lpspi_prepare_xfer_hardware() pm_runtime_get_sync will increment pm usage counter even it failed. Forgetting to putting operation will result in reference leak here. Fix it by replacing it with pm_runtime_resume_and_get to keep usage counter balanced.
    Added Reference Linux https://git.kernel.org/stable/c/4a01ad002d2e03c399af536562693752af7c81b1 [No types assigned]
    Added Reference Linux https://git.kernel.org/stable/c/ce02e58ddf8658a4c3bed2296f32a5873b3f7cce [No types assigned]
    Added Reference Linux https://git.kernel.org/stable/c/b8207bfc539cd07d15e753ff2d179c5b61c673b1 [No types assigned]
    Added Reference Linux https://git.kernel.org/stable/c/6a2b5cee0d31ab6cc51030c441135b0e31217282 [No types assigned]
    Added Reference Linux https://git.kernel.org/stable/c/a03675497970a93fcf25d81d9d92a59c2d7377a7 [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-2021-47051 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-2021-47051 weaknesses.

NONE - Vulnerability Scoring System
: