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EUVD-2022-45396 · Published Nov 1, 2022
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.
Technologies
Xen XenFedoraproject FedoraDebian Debian Linux
Weaknesses
CWE-674
CVSS scores
- v3.16.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
MITRE ATT&CK
InferredWhere this vulnerability fits in an attack
Privilege Escalation
References
- http://www.openwall.com/lists/oss-security/2022/11/01/8
- http://xenbits.xen.org/xsa/advisory-418.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTMITQBGC23MSDHUCAPCVGLMVXIBXQTQ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZVXG7OOOXCX6VIPEMLFDPIPUTFAYWPE/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZLI2NPNEH7CNJO3VZGQNOI4M4EWLNKPZ/
- https://security.gentoo.org/glsa/202402-07
Potentially impacted assets
See if this affects your attack surface
