Vulnerability Details : CVE-2022-33749
XAPI open file limit DoS It is possible for an unauthenticated client on the network to cause XAPI to hit its file-descriptor limit. This causes XAPI to be unable to accept new requests for other (trusted) clients, and blocks XAPI from carrying out any tasks that require the opening of file descriptors.
Vulnerability category: Denial of service
Products affected by CVE-2022-33749
- cpe:2.3:o:xen:xapi:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-33749
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 41 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-33749
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2022-33749
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The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.Assigned by: nvd@nist.gov (Primary)
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The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-33749
-
http://www.openwall.com/lists/oss-security/2022/10/11/4
oss-security - Xen Security Advisory 413 v2 (CVE-2022-33749) - XAPI open file limit DoSMailing List;Patch;Third Party Advisory
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https://xenbits.xenproject.org/xsa/advisory-413.txt
Patch;Vendor Advisory
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http://xenbits.xen.org/xsa/advisory-413.html
XSA-413 - Xen Security AdvisoriesPatch;Vendor Advisory
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https://security.gentoo.org/glsa/202402-07
Xen: Multiple Vulnerabilities (GLSA 202402-07) — Gentoo security
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