# CVE-2026-48004: qemu vulnerability

CVE-2026-48004 is fixed in 13 products on 1 platform, first by SUSE-SU-2026:22576-1, released July 7, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-48004
- Priority: Routine
- CVSS: 4.7 (MODERATE)
- EPSS: n/a
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 28, 2026

## Description

This update for qemu fixes the following issues  - CVE-2026-3886: QEMU calc_image_hostmem Integer Overflow Local Privilege Escalation Vulnerability (bsc#1268061). - CVE-2026-48004: heap use-after-free race condition allows a DoS by an unprivileged guest user (bsc#1270133). - CVE-2026-48914: qemu-kvm: Heap Buffer Overflow in virtio-blk SCSI Request Handling (bsc#1268794).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | qemu Debian 13.5 (trixie) | 1:10.0.11+ds-0+deb13u1 | [DEBIAN-CVE-2026-48004](https://patchblox.com/security/data/fix/linux/debian-cve-2026-48004.md) | Jul 12, 2026 |
| Linux | qemu Debian 14 | 1:11.0.2+ds-1 | [DEBIAN-CVE-2026-48004](https://patchblox.com/security/data/fix/linux/debian-cve-2026-48004.md) | Jul 12, 2026 |
| Linux | qemu opensuse-leap 16.0 | 10.0.11-160000.1.1 | [OPENSUSE-SU-2026:21253-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21253-1.md) | Jul 7, 2026 |
| Linux | qemu sles 15.7 | 9.2.4-150700.3.23.1 | [SUSE-SU-2026:3038-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3038-1.md) | Jul 15, 2026 |
| Linux | qemu sles 16.0 | 10.0.11-160000.1.1 | [SUSE-SU-2026:22576-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22576-1.md) | Jul 7, 2026 |
| Linux | qemu-guest-agent ol 9 | 31:7.2.0-42.el9 | [ELSA-2026-500220](https://patchblox.com/security/data/fix/linux/elsa-2026-500220.md) | Aug 19, 2026 |
| Linux | qemu-img ol 9 | 31:7.2.0-42.el9 | [ELSA-2026-500220](https://patchblox.com/security/data/fix/linux/elsa-2026-500220.md) | Aug 19, 2026 |
| Linux | qemu-kvm ol 9 | 31:7.2.0-42.el9 | [ELSA-2026-500220](https://patchblox.com/security/data/fix/linux/elsa-2026-500220.md) | Aug 19, 2026 |
| Linux | qemu-kvm-block-curl ol 9 | 31:7.2.0-42.el9 | [ELSA-2026-500220](https://patchblox.com/security/data/fix/linux/elsa-2026-500220.md) | Aug 19, 2026 |
| Linux | qemu-kvm-block-iscsi ol 9 | 31:7.2.0-42.el9 | [ELSA-2026-500220](https://patchblox.com/security/data/fix/linux/elsa-2026-500220.md) | Aug 19, 2026 |
| Linux | qemu-kvm-block-rbd ol 9 | 31:7.2.0-42.el9 | [ELSA-2026-500220](https://patchblox.com/security/data/fix/linux/elsa-2026-500220.md) | Aug 19, 2026 |
| Linux | qemu-kvm-block-ssh ol 9 | 31:7.2.0-42.el9 | [ELSA-2026-500220](https://patchblox.com/security/data/fix/linux/elsa-2026-500220.md) | Aug 19, 2026 |
| Linux | qemu-kvm-common ol 9 | 31:7.2.0-42.el9 | [ELSA-2026-500220](https://patchblox.com/security/data/fix/linux/elsa-2026-500220.md) | Aug 19, 2026 |
| Linux | qemu-kvm-core ol 9 | 31:7.2.0-42.el9 | [ELSA-2026-500220](https://patchblox.com/security/data/fix/linux/elsa-2026-500220.md) | Aug 19, 2026 |
| Linux | qemu-kvm-device-usb-host ol 9 | 31:7.2.0-42.el9 | [ELSA-2026-500220](https://patchblox.com/security/data/fix/linux/elsa-2026-500220.md) | Aug 19, 2026 |
| Linux | qemu-linux-user opensuse-leap 16.0 | 10.0.11-160000.1.1 | [OPENSUSE-SU-2026:21253-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21253-1.md) | Jul 7, 2026 |
| Linux | qemu-linux-user sles 15.7 | 9.2.4-150700.3.23.1 | [SUSE-SU-2026:3038-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3038-1.md) | Jul 15, 2026 |
| Linux | qemu-linux-user sles 16.0 | 10.0.11-160000.1.1 | [SUSE-SU-2026:22576-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22576-1.md) | Jul 7, 2026 |
| Linux | qemu-virtiofsd ol 9 | 31:7.2.0-42.el9 | [ELSA-2026-500220](https://patchblox.com/security/data/fix/linux/elsa-2026-500220.md) | Aug 19, 2026 |

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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

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