CVE-2021-29626
Medium
Description
In FreeBSD 13.0-STABLE before n245117, 12.2-STABLE before r369551, 11.4-STABLE before r369559, 13.0-RC5 before p1, 12.2-RELEASE before p6, and 11.4-RELEASE before p9, copy-on-write logic failed to invalidate shared memory page mappings between multiple processes allowing an unprivileged process to maintain a mapping after it is freed, allowing the process to read private data belonging to other processes or the kernel.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Freebsd
PublishedApr 7, 2021
First seenApr 7, 2021
How to fix
Update
- freebsd freebsd11.4, 12.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| freebsd freebsd | v < 11.4, 12.0 ≤ v < 12.2, 11.4, 12.2, 13.0 | 11.4, 12.2 |
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