CVE-2025-40325: md/raid10: wait barrier before returning discard request with REQ_NOWAIT
In the Linux kernel, the following vulnerability has been resolved:
md/raid10: wait barrier before returning discard request with REQNOWAIT
raid10handlediscard should wait barrier before returning a discard bio which has REQNOWAIT. And there is no need to print warning calltrace if a discard bio has REQNOWAIT flag. Quality engineer usually checks dmesg and reports error if dmesg has warning/error calltrace.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-40325?
CVE-2025-40325 has a medium severity level due to potential data corruption issues in the Linux kernel's RAID management.
How do I fix CVE-2025-40325?
To fix CVE-2025-40325, upgrade to the latest version of the Linux kernel where the vulnerability has been patched.
What systems are affected by CVE-2025-40325?
CVE-2025-40325 affects the Linux kernel, specifically systems using RAID 10 configurations.
What is the nature of the vulnerability in CVE-2025-40325?
The vulnerability in CVE-2025-40325 involves improper handling of discard requests with REQ_NOWAIT in RAID 10 operations.
Is there a workaround for CVE-2025-40325?
There are currently no known workarounds for CVE-2025-40325, and applying the patch is recommended.