0.0
NA
CVE-2025-21998
Apache Firmware Null Pointer Dereference
Description

In the Linux kernel, the following vulnerability has been resolved: firmware: qcom: uefisecapp: fix efivars registration race Since the conversion to using the TZ allocator, the efivars service is registered before the memory pool has been allocated, something which can lead to a NULL-pointer dereference in case of a racing EFI variable access. Make sure that all resources have been set up before registering the efivars.

INFO

Published Date :

April 3, 2025, 8:15 a.m.

Last Modified :

April 3, 2025, 8:15 a.m.

Source :

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

Remotely Exploitable :

No

Impact Score :

Exploitability Score :

Affected Products

The following products are affected by CVE-2025-21998 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-2025-21998.

URL Resource
https://git.kernel.org/stable/c/c4e37b381a7a243c298a4858fc0a5a74e737c79a
https://git.kernel.org/stable/c/da8d493a80993972c427002684d0742560f3be4a
https://git.kernel.org/stable/c/f15a2b96a0e41c426c63a932d0e63cde7b9784aa

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-2025-21998 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-21998 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.

  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Apr. 03, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: firmware: qcom: uefisecapp: fix efivars registration race Since the conversion to using the TZ allocator, the efivars service is registered before the memory pool has been allocated, something which can lead to a NULL-pointer dereference in case of a racing EFI variable access. Make sure that all resources have been set up before registering the efivars.
    Added Reference https://git.kernel.org/stable/c/c4e37b381a7a243c298a4858fc0a5a74e737c79a
    Added Reference https://git.kernel.org/stable/c/da8d493a80993972c427002684d0742560f3be4a
    Added Reference https://git.kernel.org/stable/c/f15a2b96a0e41c426c63a932d0e63cde7b9784aa
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-2025-21998 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-2025-21998 weaknesses.

NONE - Vulnerability Scoring System
: