PT-2025-46616 · Linux+3 · Linux Kernel+3

Published 2025-09-22 · Updated 2026-05-07 · CVE-2025-40141

Positive Technologies (AI Summary)

CVSS v2.0

6.4

Medium

Base vector

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

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

Description A use-after-free issue exists in the Bluetooth ISO component of the Linux kernel. Specifically, the vulnerability occurs during the iso conn free function, potentially leading to a use-after-free condition if the conn->sk pointer is not set to NULL. This issue is similar to a previously addressed problem in the sco conn free function.

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

Exploit

Use After Free

Weakness Enumeration

CWE-416

CWE-825

Related Identifiers

ALSA-2026:2212

ALSA-2026:2721

BDU:2025-15291

CVE-2025-40141

DLA-4379-1

OESA-2025-2765

OESA-2025-2766

OESA-2025-2767

OPENSUSE-SU-2025:20172-1

RHSA-2026:0489

RHSA-2026:0747

RHSA-2026:1194

RHSA-2026:1441

RHSA-2026:1443

RHSA-2026:2212

RHSA-2026:2721

SUSE-SU-2025:4393-1

SUSE-SU-2025:4422-1

SUSE-SU-2025:4505-1

SUSE-SU-2025:4516-1

SUSE-SU-2025:4517-1

SUSE-SU-2025:4521-1

SUSE-SU-2026:20012-1

SUSE-SU-2026:20015-1

SUSE-SU-2026:20021-1

SUSE-SU-2026:20039-1

SUSE-SU-2026:20059-1

SUSE-SU-2026:20473-1

SUSE-SU-2026:20496-1

USN-8029-1

USN-8029-2

USN-8029-3

USN-8030-1

USN-8048-1

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

Linuxmint

Linux Kernel

Rocky Linux

Ubuntu

References · 1981

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40141.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-2025-68319 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38543 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-40098 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38702 · Vendor Advisory
• https://osv.dev/vulnerability/USN-8030-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-40359 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-40284 · Vendor Advisory