PT-2026-2867 · Linux · Linux Kernel

Published 2025-12-02 · Updated 2026-01-14 · CVE-2025-71106

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 A flaw exists in the Linux kernel related to filesystem freezing during power management. A reversed check within the filesystems freeze callback() function, introduced by a specific commit, incorrectly freezes all filesystems when filesystem freezing is disabled. This can lead to warnings and potential issues when attempting to freeze filesystems that are not prepared for the operation. The issue is related to the freeze all ptr check within the filesystems freeze callback() function.

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-480

CWE-404

Related Identifiers

BDU:2026-03135

CVE-2025-71106

Affected Products

Linux Kernel

References · 13

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71106.json · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-71106 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-71106 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-71106 · Security Note
• https://osv.dev/vulnerability/CVE-2025-71106 · Vendor Advisory
• https://git.kernel.org/stable/c/b107196729ff6b9d6cde0a71f49c1243def43328 · Patch
• https://bdu.fstec.ru/vul/2026-03135 · Security Note
• https://git.kernel.org/stable/c/222047f68e8565c558728f792f6fef152a1d4d51 · Patch
• https://cve.org/CVERecord?id=CVE-2025-71106 · Security Note
• https://lore.kernel.org/linux-cve-announce/2026011411-CVE-2025-71106-731c@gregkh · Note
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Note
• https://twitter.com/CVEnew/status/2011555214579679566 · Twitter Post
• https://access.redhat.com/security/cve/cve-2025-71106 · Note