CVE-2025-39953: cgroup: split cgroup_destroy_wq into 3 workqueues
Published Oct 4, 2025
·Updated
cgroup: split cgroupdestroywq into 3 workqueues
Affected Software
16 affected componentsFixes available
Linux Kernel
Microsoft azl3 kernel 6.6.96.2-2
Microsoft azl3 kernel 6.6.104.2-4
Linux Linux kernel>=4.6<5.4.300
Linux Linux kernel>=5.5<5.10.245
Linux Linux kernel>=5.11<5.15.194
Linux Linux kernel>=5.16<6.1.154
Linux Linux kernel>=6.2<6.6.108
Linux Linux kernel>=6.7<6.12.49
Linux Linux kernel>=6.13<6.16.9
Linux Linux kernel=6.17-rc1
Linux Linux kernel=6.17-rc2
Linux Linux kernel=6.17-rc3
Linux Linux kernel=6.17-rc4
Linux Linux kernel=6.17-rc5
Linux Linux kernel=6.17-rc6
Event History
Oct 4, 2025
CVE Published
via MITRE·07:31 AM
Data Sourced
via MITRE·07:31 AM
Description
Data Sourced
via NVD·08:15 AM
RemedyDescriptionSeverityAffected Software
Oct 5, 2025
Data Sourced
via Microsoft·01:03 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·01:03 AM
Affected Software
Updated
via Microsoft·01:03 AM
DescriptionSeverity
Updated
via Microsoft·01:03 AM
Affected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-39953?
The severity of CVE-2025-39953 is classified as moderate due to the potential for hung tasks during specific testing scenarios.
2
How do I fix CVE-2025-39953?
To fix CVE-2025-39953, users should update to the latest stable version of the Linux kernel where the vulnerability has been addressed.
3
What software is affected by CVE-2025-39953?
CVE-2025-39953 affects the Linux kernel, particularly with cgroup functionality under certain configurations.
4
What is the impact of CVE-2025-39953?
The impact of CVE-2025-39953 includes potential system hangs during cgroup testing, affecting the stability of the system.
5
When was CVE-2025-39953 disclosed?
CVE-2025-39953 was disclosed as part of ongoing security updates to the Linux kernel.