Description
A flaw was found in XNIO. The XNIO NotifierState that can cause a Stack Overflow Exception when the chain of notifier states becomes problematically large can lead to uncontrolled resource management and a possible denial of service (DoS).
References10
- access.redhat.com/errata/RHSA-2023:7637
- access.redhat.com/errata/RHSA-2023:7638
- access.redhat.com/errata/RHSA-2023:7639
- access.redhat.com/errata/RHSA-2023:7641
- access.redhat.com/errata/RHSA-2024:10207
- access.redhat.com/errata/RHSA-2024:10208
- access.redhat.com/errata/RHSA-2024:2707
- access.redhat.com/security/cve/CVE-2023-5685
- bugzilla.redhat.com/show_bug.cgi?id=2241822
- access.redhat.com/errata/RHSA-2023:7637
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 3% percentile: 89 · as of 5 November 2026
- CWE
- CWE-400
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.