# CVE-2024-31143: xen: This update for xen fixes the following issues:  - CVE-2023-46842: Fixed x86 HVM hypercalls may trigger Xen bug check...

CVE-2024-31143 is fixed in xen on 1 platform, first by SUSE-SU-2024:2531-1, released July 16, 2024. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2024-31143
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0051
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 16, 2024

## Description

This update for xen fixes the following issues:  - CVE-2023-46842: Fixed x86 HVM hypercalls may trigger Xen bug check (XSA-454, bsc#1221984). - CVE-2024-31143: Fixed double unlock in x86 guest IRQ handling (XSA-458, bsc#1227355).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | xen Debian 12.15 (bookworm) | 4.17.5+23-ga4e5191dc0-1 | [DEBIAN-CVE-2024-31143](https://patchblox.com/security/data/fix/linux/debian-cve-2024-31143.md) | Jul 18, 2024 |
| Linux | xen Debian 13.5 (trixie) | 4.19.1-1 | [DEBIAN-CVE-2024-31143](https://patchblox.com/security/data/fix/linux/debian-cve-2024-31143.md) | Jul 18, 2024 |
| Linux | xen Debian 14 | 4.19.1-1 | [DEBIAN-CVE-2024-31143](https://patchblox.com/security/data/fix/linux/debian-cve-2024-31143.md) | Jul 18, 2024 |
| Linux | xen opensuse-leap 15.6 | 4.18.2_06-150600.3.3.1 | [SUSE-SU-2024:2531-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2531-1.md) | Jul 16, 2024 |
| Linux | xen sles 15.6 | 4.18.2_06-150600.3.3.1 | [SUSE-SU-2024:2531-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2531-1.md) | Jul 16, 2024 |

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Data as of 2026-11-09T01:18:40Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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