CVE-2025-37899

CVE Enrichment

CVSS: 7.8 HIGH
EPSS: 0.88%
EPSS Percentile: 58.40%
CISA KEV: Not listed

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in session logoff The sess->user object can currently be in use by another thread, for example if another connection has sent a session setup request to bind to the session being free'd. The handler for that connection could be in the smb2_sess_setup function which makes use of sess->user.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published: 20-May-2025 23:15
Last Modified: 30-Jul-2026 13:22
EPSS Date: 2026-10-16
CWE: CWE-416

CVSS Vector


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

Affected Products / Versions

linux / linux_kernel
Version / affected range: * · from (inclusive) 5.15 · before (exclusive) 6.12.28
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux / linux_kernel
Version / affected range: * · from (inclusive) 6.13 · before (exclusive) 6.14.6
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux / linux_kernel
Version / affected range: 6.15
cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:*
linux / linux_kernel
Version / affected range: 6.15
cpe:2.3:o:linux:linux_kernel:6.15:rc2:*:*:*:*:*:*
linux / linux_kernel
Version / affected range: 6.15
cpe:2.3:o:linux:linux_kernel:6.15:rc3:*:*:*:*:*:*
linux / linux_kernel
Version / affected range: 6.15
cpe:2.3:o:linux:linux_kernel:6.15:rc4:*:*:*:*:*:*

References

Last enrichment sync: 17-Oct-2026 12:04
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (2)

An example in 2025 was CVE-2025-37899 in the Linux kernel, discovered by a researcher using OpenAI’s o3 model. Huntress Sees Linux Threats Evolving Toward Cross-OS Attacks
Recently, researcher Sean Heelan said that OpenAI’s o3 model helped find a Linux Kernel flaw (CVE-2025-37899). AI’s Cybersecurity Benefits and Risks: A Tradecraft Tuesday Recap

Malware (4)

People (5)

Threat Actors (5)

MITRE ATT&CK (2)

Vendors (6)

Products (11)

Tools (2)

Industries (4)

Countries (1)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.