CVE-2021-20261
Medium
Description
A race condition was found in the Linux kernels implementation of the floppy disk drive controller driver software. The impact of this issue is lessened by the fact that the default permissions on the floppy device (/dev/fd0) are restricted to root. If the permissions on the device have changed the impact changes greatly. In the default configuration root (or equivalent) permissions are required to attack this flaw.
SeverityMedium
CVSS6.4
Exploit probability—
Product
Linux Kernel
PublishedMar 11, 2021
First seenMar 11, 2021
Weakness typeCWE-362Race condition
How to fix
Update
- linux linux_kernel4.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 4.5, 4.5 | 4.5 |
| redhat enterprise_linux | 7.0 | — |
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