# CVE-2022-0084: jboss-xnio: A flaw was found in XNIO, specifically in the notifyReadClosed method

CVE-2022-0084 is fixed in jboss-xnio on 1 platform, first by DEBIAN-CVE-2022-0084, released August 26, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-0084
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0158
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 26, 2022

## Description

A flaw was found in XNIO, specifically in the notifyReadClosed method. The issue revealed this method was logging a message to another expected end. This flaw allows an attacker to send flawed requests to a server, possibly causing log contention-related performance concerns or an unwanted disk fill-up.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | jboss-xnio Debian 12.15 (bookworm) | 3.8.7-2 | [DEBIAN-CVE-2022-0084](https://patchblox.com/security/data/fix/linux/debian-cve-2022-0084.md) | Aug 26, 2022 |
| Linux | jboss-xnio Debian 13.5 (trixie) | 3.8.7-2 | [DEBIAN-CVE-2022-0084](https://patchblox.com/security/data/fix/linux/debian-cve-2022-0084.md) | Aug 26, 2022 |
| Linux | jboss-xnio Debian 14 | 3.8.7-2 | [DEBIAN-CVE-2022-0084](https://patchblox.com/security/data/fix/linux/debian-cve-2022-0084.md) | Aug 26, 2022 |

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