# CVE-2022-42330: xen: Guests can cause Xenstore crash via soft reset When a guest issues a "Soft Reset" (e.g

CVE-2022-42330 is fixed in xen on 1 platform, first by DEBIAN-CVE-2022-42330, released January 26, 2023. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-42330
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0140
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 26, 2023

## Description

Guests can cause Xenstore crash via soft reset When a guest issues a "Soft Reset" (e.g. for performing a kexec) the libxl based Xen toolstack will normally perform a XS_RELEASE Xenstore operation. Due to a bug in xenstored this can result in a crash of xenstored. Any other use of XS_RELEASE will have the same impact.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | xen Debian 12.15 (bookworm) | 4.17.0+24-g2f8851c37f-2 | [DEBIAN-CVE-2022-42330](https://patchblox.com/security/data/fix/linux/debian-cve-2022-42330.md) | Jan 26, 2023 |
| Linux | xen Debian 13.5 (trixie) | 4.17.0+24-g2f8851c37f-2 | [DEBIAN-CVE-2022-42330](https://patchblox.com/security/data/fix/linux/debian-cve-2022-42330.md) | Jan 26, 2023 |
| Linux | xen Debian 14 | 4.17.0+24-g2f8851c37f-2 | [DEBIAN-CVE-2022-42330](https://patchblox.com/security/data/fix/linux/debian-cve-2022-42330.md) | Jan 26, 2023 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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