CVE-2022-42321

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.

References

https://xenbits.xenproject.org/xsa/advisory-418.txt

https://www.debian.org/security/2022/dsa-5272

https://security.gentoo.org/glsa/202402-07

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZLI2NPNEH7CNJO3VZGQNOI4M4EWLNKPZ/

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/YTMITQBGC23MSDHUCAPCVGLMVXIBXQTQ/

http://xenbits.xen.org/xsa/advisory-418.html

http://www.openwall.com/lists/oss-security/2022/11/01/8

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3