PT-2025-37229 · Linux+1 · Linux Kernel+1

CVE-2025-39771 · Published 2025-08-15 · Updated 2026-05-26

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

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

Description: The Linux kernel contains an issue in the regulator/pca9450 module where the system off handler is not properly managed. This can lead to a kernel dump when the module is tested. The issue is resolved by using devm register sys off handler to allow the kernel to handle resource freeing.

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

Exploit

Improper Resource Release

Weakness Enumeration

CWE-404

Related Identifiers

BDU:2026-09314

CVE-2025-39771

Affected Products

Astra Linux

Linux Kernel

References · 21

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39771.json · Exploit
• https://git.kernel.org/stable/c/447be50598c05499f7ccc2b1f6ddb3da30f8099a · Patch
• https://cve.org/CVERecord?id=CVE-2025-39771 · Security Note
• https://bdu.fstec.ru/vul/2026-09314 · Security Note
• https://osv.dev/vulnerability/BELL-CVE-2025-39771 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-39771 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-39771 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2025-39771 · Vendor Advisory
• https://git.kernel.org/stable/c/7a8c8aa0b0b2c62a0232bf868def85f3069ba7a7 · Patch
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2404-CVE-2025-39771 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-39771 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2204-CVE-2025-39771 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-39771 · Security Note
• https://ubuntu.com/security/CVE-2025-39771 · Vendor Advisory
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Note