# qemu 1:6.2+dfsg-2ubuntu5: qemu 1:6.2+dfsg-2ubuntu5 for Ubuntu 22.04.1 LTS (jammy)

qemu 1:6.2+dfsg-2ubuntu5, released February 18, 2022, fixes 11 CVEs in qemu. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-jammy-qemu-1-6.2-dfsg-2ubuntu5
- Platform: Linux
- Released: Feb 18, 2022
- Priority: High (Closes CVE-2021-3682, high severity)
- CVEs: 11, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [qemu](https://patchblox.com/security/data/product/linux/qemu.md) | Ubuntu 22.04.1 LTS (jammy) | 1:6.2+dfsg-2ubuntu5 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2021-3682](https://patchblox.com/security/data/cve/CVE-2021-3682.md) | High | hivex: usbredir: fix free call (Gerd Hoffmann) [Orabug: 33198441] | 8.5 | 0.0288 |  |
| [CVE-2021-3713](https://patchblox.com/security/data/cve/CVE-2021-3713.md) | High | hivex: uas: add stream number sanity checks (Gerd Hoffmann) [Orabug: 33280793] | 7.4 | 0.0055 |  |
| [CVE-2021-3748](https://patchblox.com/security/data/cve/CVE-2021-3748.md) | High | hivex: QEMU: virtio-net: heap use-after-free in virtio_net_receive_rcu | 8.8 | 0.0052 |  |
| [CVE-2021-20196](https://patchblox.com/security/data/cve/CVE-2021-20196.md) | High | qemu-block-extra: A NULL pointer dereference flaw was found in the floppy disk emulator ofQEMU | 7.8 | 0.0048 |  |
| [CVE-2021-3546](https://patchblox.com/security/data/cve/CVE-2021-3546.md) | High | hivex: vhost-user-gpu: abstract vg_cleanup_mapping_iov (Li Qiang) [Orabug: 32950716] | 8.2 | 0.0046 |  |
| [CVE-2021-4158](https://patchblox.com/security/data/cve/CVE-2021-4158.md) | High | hivex-devel: QEMU: NULL pointer dereference in pci_write() in hw/acpi/pcihp.c | 7.8 | 0.0040 |  |
| [CVE-2021-20203](https://patchblox.com/security/data/cve/CVE-2021-20203.md) | Routine | qemu-block-extra: An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMUfor versions up to v5.2.0 | 3.2 | 0.0059 |  |
| [CVE-2021-3544](https://patchblox.com/security/data/cve/CVE-2021-3544.md) | Routine | hivex: vhost-user-gpu: reorder free calls (Gerd Hoffmann) [Orabug: 32950701] | 6.5 | 0.0044 |  |
| [CVE-2021-3545](https://patchblox.com/security/data/cve/CVE-2021-3545.md) | Routine | hivex: vhost-user-gpu: fix memory disclosure in virgl_cmd_get_capset_info (Li Qiang) [Orabug: 32950708] | 6.5 | 0.0042 |  |
| [CVE-2021-3930](https://patchblox.com/security/data/cve/CVE-2021-3930.md) | Routine | qemu-kvm-block-gluster: QEMU: off-by-one error in mode_sense_page() in hw/scsi/scsi-disk.c | 6.5 | 0.0034 |  |
| [CVE-2021-3947](https://patchblox.com/security/data/cve/CVE-2021-3947.md) | Routine | hivex: Document CVE-2021-4158 and as fixed (Mark Kanda) [Orabug: 33719302] [Orabug: 33754145] {CVE-2021-4158} | 5.5 | 0.0032 |  |

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