CVE-2025-21825: bpf: Cancel the running bpf_timer through kworker for PREEMPT_RT
Published Mar 6, 2025
·Updated
bpf: Cancel the running bpftimer through kworker for PREEMPTRT
Affected Software
9 affected components
Linux Linux kernel
Linux Linux kernel>=5.15<6.12.13
Linux Linux kernel>=6.13<6.13.2
Microsoft azl3 kernel 6.6.112.1-2
Microsoft azl3 kernel 6.6.117.1-1
Microsoft cbl2 kernel 5.15.186.1-1
Microsoft azl3 kernel 6.6.96.2-1
Microsoft azl3 kernel 6.6.104.2-4
Microsoft azl3 kernel 6.6.96.2-2
Event History
Mar 6, 2025
CVE Published
via MITRE·04:04 PM
Data Sourced
via MITRE·04:04 PM
DescriptionSeverity
Data Sourced
via NVD·04:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Sep 3, 2025
Data Sourced
via Microsoft·10:12 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·10:12 PM
Affected Software
Updated
via Microsoft·10:12 PM
SeverityAffected Software
Sep 4, 2025
Updated
via Microsoft·05:12 AM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What is the severity of CVE-2025-21825?
CVE-2025-21825 has a severity rating that indicates potential impact on systems running the Linux kernel version 6.12 and higher.
2
How do I fix CVE-2025-21825?
To fix CVE-2025-21825, ensure you update your Linux kernel to the latest patched version that addresses this vulnerability.
3
What systems are affected by CVE-2025-21825?
CVE-2025-21825 affects systems running Linux kernel version 6.12 and above.
4
Is CVE-2025-21825 a remote code execution vulnerability?
CVE-2025-21825 does not specifically describe a remote code execution vulnerability, but it could potentially be exploited in certain scenarios.
5
What are the consequences of CVE-2025-21825 if exploited?
If exploited, CVE-2025-21825 could lead to stability issues within the affected Linux systems.