0.0
NA
CVE-2025-21995
Linux Kernel DRM Fence Reference Count Leak
Description

In the Linux kernel, the following vulnerability has been resolved: drm/sched: Fix fence reference count leak The last_scheduled fence leaks when an entity is being killed and adding the cleanup callback fails. Decrement the reference count of prev when dma_fence_add_callback() fails, ensuring proper balance. [phasta: add git tag info for stable kernel]

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-2025-21995 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-2025-21995.

URL Resource
https://git.kernel.org/stable/c/1135a9431160575466ea9ac37ebd756ecbe35fff
https://git.kernel.org/stable/c/35399c84dcedd6d31448fb9e1336ef52673f2882
https://git.kernel.org/stable/c/a952f1ab696873be124e31ce5ef964d36bce817f
https://git.kernel.org/stable/c/c76bd3c99293834de7d1dca5de536616d5655e38

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-2025-21995 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-21995 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: drm/sched: Fix fence reference count leak The last_scheduled fence leaks when an entity is being killed and adding the cleanup callback fails. Decrement the reference count of prev when dma_fence_add_callback() fails, ensuring proper balance. [phasta: add git tag info for stable kernel]
    Added Reference https://git.kernel.org/stable/c/1135a9431160575466ea9ac37ebd756ecbe35fff
    Added Reference https://git.kernel.org/stable/c/35399c84dcedd6d31448fb9e1336ef52673f2882
    Added Reference https://git.kernel.org/stable/c/a952f1ab696873be124e31ce5ef964d36bce817f
    Added Reference https://git.kernel.org/stable/c/c76bd3c99293834de7d1dca5de536616d5655e38
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-2025-21995 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-2025-21995 weaknesses.

NONE - Vulnerability Scoring System
: