CVE-2025-71106 — Use of Incorrect Operator in Linux
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 94.97%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJan 14
Description
In the Linux kernel, the following vulnerability has been resolved:
fs: PM: Fix reverse check in filesystems_freeze_callback()
The freeze_all_ptr check in filesystems_freeze_callback() introduced by
commit a3f8f8662771 ("power: always freeze efivarfs") is reverse which
quite confusingly causes all file systems to be frozen when
filesystem_freeze_enabled is false.
On my systems it causes the WARN_ON_ONCE() in __set_task_frozen() to
trigger, most likely due to an attempt to freeze a file system…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages4 packages
▶CVEListV5linux/linuxa3f8f8662771285511ae26c4c8d3ba1cd22159b9 — b107196729ff6b9d6cde0a71f49c1243def43328+2
Patches
🔴Vulnerability Details
3OSV▶
CVE-2025-71106: In the Linux kernel, the following vulnerability has been resolved: fs: PM: Fix reverse check in filesystems_freeze_callback() The freeze_all_ptr chec↗2026-01-14
GHSA▶
GHSA-65w6-rwf9-587r: In the Linux kernel, the following vulnerability has been resolved:
fs: PM: Fix reverse check in filesystems_freeze_callback()
The freeze_all_ptr ch↗2026-01-14