CVE-2025-21966: dm-flakey: Fix memory corruption in optional corrupt_bio_byte feature
First published: Tue Apr 01 2025(Updated: )
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
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | ||
| Linux Kernel | >=6.5<6.6.84 | |
| Linux Kernel | >=6.7<6.12.20 | |
| Linux Kernel | >=6.13<6.13.8 | |
| Linux Kernel | =6.14-rc1 | |
| Linux Kernel | =6.14-rc2 | |
| Linux Kernel | =6.14-rc3 | |
| Linux Kernel | =6.14-rc4 | |
| Linux Kernel | =6.14-rc5 | |
| Linux Kernel | =6.14-rc6 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-21966?
CVE-2025-21966 is classified as a potential risk due to memory corruption issues in the Linux kernel.
How do I fix CVE-2025-21966?
To fix CVE-2025-21966, update your Linux kernel to the latest version that includes the patch for this vulnerability.
What systems are affected by CVE-2025-21966?
CVE-2025-21966 affects the Linux kernel, specifically systems using the dm-flakey module.
What problems does CVE-2025-21966 cause?
CVE-2025-21966 can lead to memory corruption, potentially impacting system stability and security.
Is there a workaround for CVE-2025-21966?
There are no known workarounds for CVE-2025-21966; applying the kernel update is the recommended solution.
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