CVE-2025-37741

FAUCET Score

CVE-2025-37741 is a Linux kernel vulnerability affecting the JFS filesystem, specifically in Debian and Linux kernel distributions. It stems from a corrupted metapage during inode creation, leading to an nlink value of 0 being assigned, which causes a deadlock in the diFree function. This vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity, requiring local privileges, and resulting in high availability impact (denial of service). There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or inclusion in the KEV catalog, but it has garnered some community discussion and media coverage.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 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

0.14%

Probability of exploitation in next 30 days

EPSS Percentile

3.4%

Percentile rank of EPSS score among Peer Group

As of 2026-07-28

Model: v2026.06.15

This CVE's current EPSS score of 0.0014 is in the 22nd 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 (13)

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