# CVE-2022-42310: xen: Xenstore: Guests can create orphaned Xenstore nodes By creating multiple nodes inside a transaction resulting in an e...

CVE-2022-42310 is fixed in xen on 1 platform, first by DEBIAN-CVE-2022-42310, released November 1, 2022. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-42310
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0029
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 1, 2022

## Description

Xenstore: Guests can create orphaned Xenstore nodes By creating multiple nodes inside a transaction resulting in an error, a malicious guest can create orphaned nodes in the Xenstore data base, as the cleanup after the error will not remove all nodes already created. When the transaction is committed after this situation, nodes without a valid parent can be made permanent in the data base.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | xen Debian 12.15 (bookworm) | 4.16.2+90-g0d39a6d1ae-1 | [DEBIAN-CVE-2022-42310](https://patchblox.com/security/data/fix/linux/debian-cve-2022-42310.md) | Nov 1, 2022 |
| Linux | xen Debian 13.5 (trixie) | 4.16.2+90-g0d39a6d1ae-1 | [DEBIAN-CVE-2022-42310](https://patchblox.com/security/data/fix/linux/debian-cve-2022-42310.md) | Nov 1, 2022 |
| Linux | xen Debian 14 | 4.16.2+90-g0d39a6d1ae-1 | [DEBIAN-CVE-2022-42310](https://patchblox.com/security/data/fix/linux/debian-cve-2022-42310.md) | Nov 1, 2022 |

---

Data as of 2026-11-08T13:06:02Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.