CVE-2021-3773
Critical
Description
A flaw in netfilter could allow a network-connected attacker to infer openvpn connection endpoint information for further use in traditional network attacks.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Linux Kernel
PublishedFeb 16, 2022
First seenFeb 16, 2022
Weakness typeCWE-200Sensitive information exposure
How to fix
Update
- linux linux_kernel5.14, 5.15.15 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 5.14, 5.15 ≤ v < 5.15.15 | 5.14, 5.15.15 |
| fedoraproject fedora | 34 | — |
| redhat enterprise_linux | 6.0, 7.0, 8.0 | — |
| oracle communications_cloud_native_core_binding_support_function | 22.1.3 | — |
| oracle communications_cloud_native_core_network_exposure_function | 22.1.1 | — |
| oracle communications_cloud_native_core_policy | 22.2.0 | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.