← Back

CVE-2022-42321

nvd nist
Published: Nov 1, 2022Modified: Jun 17, 2026

JSON object

Loading...
6.5
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Exploitability: 2.0 / Impact: 4.0
Source: NVD

Description

Xenstore: Guests can crash xenstored via exhausting the stack Xenstored is using recursion for some Xenstore operations (e.g. for deleting a sub-tree of Xenstore nodes). With sufficiently deep nesting levels this can result in stack exhaustion on xenstored, leading to a crash of xenstored.

Affected (5)

Xen
1 product
Xen
Debian
1 product
Debian Linux
Fedoraproject
1 product
Fedora
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Xen
All versions
Configuration B
4 vulnerable
Vulnerable SoftwareAffected Versions
Debian Linux
Version 11.0
Fedoraproject
Fedora
Version 35
Fedora
Version 36
Fedora
Version 37

Related CWEs

CWE-674
Uncontrolled Recursion
The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.

References (16)

Source: security@xen.org
Mailing ListThird Party Advisory
Source: security@xen.org
PatchVendor Advisory
Source: security@xen.org
Source: security@xen.org
Source: security@xen.org
Source: security@xen.org
Source: security@xen.org
Third Party Advisory
Source: security@xen.org
PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory

Timeline

No history available yet.