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7.8
HIGH CVSS 3.1
CVE-2025-37803
udmabuf: fix a buf size overflow issue during udmabuf creation
Description

In the Linux kernel, the following vulnerability has been resolved: udmabuf: fix a buf size overflow issue during udmabuf creation by casting size_limit_mb to u64 when calculate pglimit.

INFO

Published Date :

May 8, 2025, 7:15 a.m.

Last Modified :

June 5, 2025, 2:32 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2025-37803 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
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
Solution
Update the Linux kernel to resolve a buffer size overflow in UDMABUF.
  • Apply the latest kernel patches.
  • Recompile the kernel with the fix.
  • Deploy the updated 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-2025-37803.

URL Resource
https://git.kernel.org/stable/c/021ba7f1babd029e714d13a6bf2571b08af96d0f Patch
https://git.kernel.org/stable/c/13fe12c037b470321436deec393030c6153cfeb9 Patch
https://git.kernel.org/stable/c/2b8419c6ecf69007dcff54ea0b9f0b215282c55a Patch
https://git.kernel.org/stable/c/373512760e13fdaa726faa9502d0f5be2abb3d33 Patch
https://git.kernel.org/stable/c/3f6c9d66e0f8eb9679b57913aa64b4d2266f6fbe Patch
https://git.kernel.org/stable/c/b2ff4e9c599b000833d16a917f519aa2e4a75de2 Patch
https://git.kernel.org/stable/c/e84a08fc7e25cdad5d9a3def42cc770ff711193f Patch
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-37803 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-2025-37803 weaknesses.

CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-67: String Format Overflow in syslog() String Format Overflow in syslog() CAPEC-92: Forced Integer Overflow Forced Integer Overflow CAPEC-100: Overflow Buffers Overflow Buffers

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-2025-37803 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-37803 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.

  • Initial Analysis by [email protected]

    Jun. 05, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-120
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.89 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.4.293 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.181 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.136 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.237 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.14.5
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/021ba7f1babd029e714d13a6bf2571b08af96d0f Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/13fe12c037b470321436deec393030c6153cfeb9 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/2b8419c6ecf69007dcff54ea0b9f0b215282c55a Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/373512760e13fdaa726faa9502d0f5be2abb3d33 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/3f6c9d66e0f8eb9679b57913aa64b4d2266f6fbe Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/b2ff4e9c599b000833d16a917f519aa2e4a75de2 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/e84a08fc7e25cdad5d9a3def42cc770ff711193f Types: Patch
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 08, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: udmabuf: fix a buf size overflow issue during udmabuf creation by casting size_limit_mb to u64 when calculate pglimit.
    Added Reference https://git.kernel.org/stable/c/021ba7f1babd029e714d13a6bf2571b08af96d0f
    Added Reference https://git.kernel.org/stable/c/13fe12c037b470321436deec393030c6153cfeb9
    Added Reference https://git.kernel.org/stable/c/2b8419c6ecf69007dcff54ea0b9f0b215282c55a
    Added Reference https://git.kernel.org/stable/c/373512760e13fdaa726faa9502d0f5be2abb3d33
    Added Reference https://git.kernel.org/stable/c/3f6c9d66e0f8eb9679b57913aa64b4d2266f6fbe
    Added Reference https://git.kernel.org/stable/c/b2ff4e9c599b000833d16a917f519aa2e4a75de2
    Added Reference https://git.kernel.org/stable/c/e84a08fc7e25cdad5d9a3def42cc770ff711193f
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.
Vulnerability Scoring Details
Base CVSS Score: 7.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact