CVE-2025-37792

FAUCET Score

CVE-2025-37792 is a NULL pointer dereference vulnerability in the Linux kernel's Bluetooth btrtl driver, specifically affecting Debian and Linux kernel products. The flaw arises from incorrect error handling in the btrtl_initialize() function when a zero-length file is loaded, leading to a subsequent NULL pointer dereference. This vulnerability is rated Medium severity (CVSS 5.5) with a vector of AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H, indicating it requires local access and low privileges, has low attack complexity, and could lead to a denial of service. There is no impact on confidentiality or integrity. Currently, there is no evidence of active exploitation, and no public exploit code (Metasploit, Nuclei, ExploitDB) is available. Despite this, the vulnerability has garnered some community attention and media coverage, as indicated by two mentions and two articles.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		>= 4.19, < 5.4.293CPE matchmatch criteria	cpe:2.3:o:linux:linux_kernel::::::::
		>= 5.5, < 5.10.237CPE matchmatch criteria	cpe:2.3:o:linux:linux_kernel::::::::
		>= 5.11, < 5.15.181CPE matchmatch criteria	cpe:2.3:o:linux:linux_kernel::::::::
		>= 5.16, < 6.1.135CPE matchmatch criteria	cpe:2.3:o:linux:linux_kernel::::::::
		>= 6.2, < 6.6.88CPE matchmatch criteria	cpe:2.3:o:linux:linux_kernel::::::::

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

Exploitability Score

1.8

Impact Score

3.6

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.17%

Probability of exploitation in next 30 days

EPSS Percentile

6.9%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0017 is in the 38th percentile among its peer group of 15,940 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (16)

autodeskpatch availablevia llm_extracted

View patch

freepbxpatch availablevia llm_extracted

View patch

honeywellpatch availablevia llm_extracted

View patch

microsoftpatch availablevia msrc

Product: azl3 kernel 6.6.85.1-4 on Azure Linux 3.0Fixed in: 6.6.92.2-1

microsoftpatch availablevia msrc

Product: 19529-17084Fixed in: 6.6.92.2-1

microsoftpatch availablevia msrc

Product: 19734-17084Fixed in: 6.6.92.2-1

microsoftpatch availablevia msrc

Product: azl3 kernel 6.6.92.2-1 on Azure Linux 3.0Fixed in: 6.6.92.2-1