5.5
MEDIUM CVSS 3.1
CVE-2025-37844
cifs: avoid NULL pointer dereference in dbg call
Description

In the Linux kernel, the following vulnerability has been resolved: cifs: avoid NULL pointer dereference in dbg call cifs_server_dbg() implies server to be non-NULL so move call under condition to avoid NULL pointer dereference. Found by Linux Verification Center (linuxtesting.org) with SVACE.

INFO

Published Date :

May 9, 2025, 7:16 a.m.

Last Modified :

Nov. 17, 2025, 12:49 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2025-37844 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
1 Debian debian_linux
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 MEDIUM [email protected]
Solution
Apply kernel updates to fix a NULL pointer dereference in the CIFS module.
  • Update the Linux kernel to the latest version.
  • Ensure CIFS module is configured securely.
  • Review kernel logs for similar issues.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-37844 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-2025-37844 weaknesses.

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-2025-37844 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-37844 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]

    Nov. 17, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-476
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.13.12 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.14 up to (excluding) 6.14.3 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.88 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.24 *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) 6.1.135 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.6.7 up to (excluding) 5.10.237
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/20048e658652e731f5cadf4a695925e570ca0ff9 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/6c14ee6af8f1f188b668afd6d003f7516a507b08 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/864ba5c651b03830f36f0906c21af05b15c1aaa6 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/9c9000cb91b986eb7f75835340c67857ab97c09b Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/b2a1833e1c63e2585867ebeaf4dd41494dcede4b Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/b4885bd5935bb26f0a414ad55679a372e53f9b9b Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/ba3ce6c60cd5db258687dfeba9fc608f5e7cadf3 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/e0717385f5c51e290c2cd2ad4699a778316b5132 Types: Patch
    Added Reference Type CVE: https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html Types: Mailing List
    Added Reference Type CVE: https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html Types: Mailing List
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 03, 2025

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
    Added Reference https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 09, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: cifs: avoid NULL pointer dereference in dbg call cifs_server_dbg() implies server to be non-NULL so move call under condition to avoid NULL pointer dereference. Found by Linux Verification Center (linuxtesting.org) with SVACE.
    Added Reference https://git.kernel.org/stable/c/20048e658652e731f5cadf4a695925e570ca0ff9
    Added Reference https://git.kernel.org/stable/c/6c14ee6af8f1f188b668afd6d003f7516a507b08
    Added Reference https://git.kernel.org/stable/c/864ba5c651b03830f36f0906c21af05b15c1aaa6
    Added Reference https://git.kernel.org/stable/c/9c9000cb91b986eb7f75835340c67857ab97c09b
    Added Reference https://git.kernel.org/stable/c/b2a1833e1c63e2585867ebeaf4dd41494dcede4b
    Added Reference https://git.kernel.org/stable/c/b4885bd5935bb26f0a414ad55679a372e53f9b9b
    Added Reference https://git.kernel.org/stable/c/ba3ce6c60cd5db258687dfeba9fc608f5e7cadf3
    Added Reference https://git.kernel.org/stable/c/e0717385f5c51e290c2cd2ad4699a778316b5132
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: 5.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact