CVE-2025-21966

dm-flakey: Fix memory corruption in optional corrupt_bio_byte feature

Description

In the Linux kernel, the following vulnerability has been resolved: dm-flakey: Fix memory corruption in optional corrupt_bio_byte feature Fix memory corruption due to incorrect parameter being passed to bio_init

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.02%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/stable/c/818330f756f3800c37d738bd36bce60eac949938 patch
https://git.kernel.org/stable/c/5a87e46da2418c57b445371f5ca0958d5779ba5f patch
https://git.kernel.org/stable/c/da070843e153471be4297a12fdaa64023276f40e patch
https://git.kernel.org/stable/c/57e9417f69839cb10f7ffca684c38acd28ceb57b patch

Frequently Asked Questions

What is the severity of CVE-2025-21966?
CVE-2025-21966 has been scored as a high severity vulnerability.
How to fix CVE-2025-21966?
To fix CVE-2025-21966, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-21966 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-21966 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-21966?
CVE-2025-21966 affects Linux Linux, Linux Linux.
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