CVE-2020-25656
Medium
Description
A flaw was found in the Linux kernel. A use-after-free was found in the way the console subsystem was using ioctls KDGKBSENT and KDSKBSENT. A local user could use this flaw to get read memory access out of bounds. The highest threat from this vulnerability is to data confidentiality.
SeverityMedium
CVSS4.1
Exploit probability—
Product
Linux Kernel
PublishedDec 2, 2020
First seenDec 2, 2020
Weakness typeCWE-416Use after free
How to fix
Update
- linux linux_kernel5.10 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 5.10, 5.10 | 5.10 |
| redhat enterprise_linux | 7.0, 8.0 | — |
| debian debian_linux | 9.0 | — |
| starwindsoftware starwind_virtual_san | v8 | — |
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