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CVE-2022-42321

Published: Nov 1, 2022

Modified: Aug 3, 2024

PUBLISHED

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.

Vendor	Product	Versions
Xen	xen	unknown `consult Xen advisory XSA-418`

References

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

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

[oss-security] 20221101 Xen Security Advisory 418 v2 (CVE-2022-42321) - Xenstore: Guests can crash xenstored via exhausting the stack

mailing-list

vendor-advisory

FEDORA-2022-07438e12df

vendor-advisory

FEDORA-2022-99af00f60e

vendor-advisory

FEDORA-2022-9f51d13fa3

vendor-advisory

vendor-advisory

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