CVE-2025-68378: bpf: Fix stackmap overflow check in __bpf_get_stackid()
Published Dec 24, 2025
·Updated
bpf: Fix stackmap overflow check in bpfgetstackid()
Affected Software
2 affected components
Linux Linux kernel
Microsoft azl3 kernel 6.6.117.1-1
Event History
Dec 24, 2025
CVE Published
via MITRE·10:33 AM
Data Sourced
via MITRE·10:33 AM
Description
Data Sourced
via NVD·11:16 AM
Description
Dec 25, 2025
Data Sourced
via Microsoft·01:05 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-68378?
CVE-2025-68378 is classified as a high severity vulnerability due to its potential for causing a stack overflow.
2
How do I fix CVE-2025-68378?
To fix CVE-2025-68378, update to the latest stable version of the Linux kernel that includes the patch for this vulnerability.
3
What are the potential impacts of CVE-2025-68378?
The potential impacts of CVE-2025-68378 include remote code execution or system crashes due to stack corruption.
4
Who is affected by CVE-2025-68378?
CVE-2025-68378 affects users of the Linux kernel running versions prior to the security fix.
5
What is the cause of CVE-2025-68378?
CVE-2025-68378 is caused by a stackmap overflow check error in the __bpf_get_stackid() function when handling performance trace data.