CVE-2021-43413
High
Description
An issue was discovered in GNU Hurd before 0.9 20210404-9. A single pager port is shared among everyone who mmaps a file, allowing anyone to modify any files that they can read. This can be trivially exploited to get full root access.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Gnu Hurd
PublishedNov 7, 2021
First seenNov 7, 2021
How to fix
Update
- gnu hurd0.9.20210404-9 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| gnu hurd | v < 0.9.20210404-9 | 0.9.20210404-9 |
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