PT-2025-40636 · Linux+3 · Linux Kernel+3

Published 2025-08-11 · Updated 2026-05-07 · CVE-2025-39940

Positive Technologies (AI Summary)

CVSS v2.0

7.7

High

Base vector

AV:A/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description An integer overflow issue exists in the stripe io hints function when handling excessively large chunk sizes. This could lead to incorrect setting of io min and io opt limits.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

AZL-68171

AZL-75167

BDU:2026-01346

CVE-2025-39940

ECHO-3244-3F80-6882

OESA-2025-2765

OESA-2025-2766

OESA-2025-2767

USN-8095-1

USN-8095-2

USN-8095-3

USN-8095-4

USN-8095-5

USN-8100-1

USN-8125-1

USN-8126-1

USN-8165-1

USN-8261-1

Affected Products

Debian

Linuxmint

Linux Kernel

Ubuntu

References · 1491

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39940.json · Exploit
• https://ubuntu.com/security/CVE-2025-40269 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38055 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-40092 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-21833 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-39788 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-40030 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38251 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38543 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38702 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-40284 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37927 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38232 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-68282 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-40324 · Vendor Advisory