# CVE-2014-0147: qemu: Qemu before 1.6.2 block diver for the various disk image formats used by Bochs and for the QCOW version 2 format, are...

CVE-2014-0147 is fixed in qemu on 1 platform, first by DEBIAN-CVE-2014-0147, released September 29, 2022. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2014-0147
- Priority: Routine
- CVSS: 6.2 (medium)
- EPSS: 0.0033
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 29, 2022

## Description

Qemu before 1.6.2 block diver for the various disk image formats used by Bochs and for the QCOW version 2 format, are vulnerable to a possible crash caused by signed data types or a logic error while creating QCOW2 snapshots, which leads to incorrectly calling update_refcount() routine.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | qemu Debian 12.15 (bookworm) | 2.0.0+dfsg-1 | [DEBIAN-CVE-2014-0147](https://patchblox.com/security/data/fix/linux/debian-cve-2014-0147.md) | Sep 29, 2022 |
| Linux | qemu Debian 13.5 (trixie) | 2.0.0+dfsg-1 | [DEBIAN-CVE-2014-0147](https://patchblox.com/security/data/fix/linux/debian-cve-2014-0147.md) | Sep 29, 2022 |
| Linux | qemu Debian 14 | 2.0.0+dfsg-1 | [DEBIAN-CVE-2014-0147](https://patchblox.com/security/data/fix/linux/debian-cve-2014-0147.md) | Sep 29, 2022 |

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Data as of 2026-11-07T06:34:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo