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Fencer Intel
high 8.8

CVE-2022-1050 json

A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device.

published 4y ago modified 4mo ago also EUVD-2022-24397

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 32%
public exploits
0
none known

Summary

A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. This flaw allows a crafted guest driver to execute HW commands when shared buffers are not yet allocated, potentially leading to a use-after-free condition.

Patch / fix

  • qemu qemu 2.20.1
  • qemu Debian 14, Debian 13, Debian 12 1:7.1+dfsg-2

debian advisories DEBIAN-CVE-2022-1050

  • qemu Ubuntu 20.04 LTS 1:4.2-3ubuntu6.27
  • qemu Ubuntu 22.04 LTS 1:6.2+dfsg-2ubuntu6.11

ubuntu advisories UBUNTU-CVE-2022-1050

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • qemu SLES for SAP 15 SP2, SLES 15 SP2-LTSS, SLE High Performance Computing 15 SP2-LTSS +1 more 4.2.1-150200.79.1
  • qemu SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLE Real Time 15 SP3 +7 more 5.2.0-150300.121.2
  • qemu SLES for SAP 12 SP5, SLES 12 SP5 3.1.1.1-66.1
  • qemu SLE Module for Server Applications 15 SP4, SLE Module for Basesystem 15 SP4, SLE Micro 5.3 +2 more 6.2.0-150400.37.11.1
  • qemu-testsuite openSUSE Leap 15.4 6.2.0-150400.37.11.2
  • qemu-linux-user openSUSE Leap 15.4 6.2.0-150400.37.11.1
  • qemu SLES for SAP 15 SP1, SLES 15 SP1-LTSS, SLE High Performance Computing 15 SP1-LTSS 3.1.1.1-150100.80.51.5

suse advisories SUSE-SU-2023:3800-1SUSE-SU-2023:3721-1SUSE-SU-2023:0840-1SUSE-SU-2023:0761-1SUSE-SU-2023:0671-1

  • qemu openSUSE Tumbleweed 7.1.0-12.1

opensuse advisories openSUSE-SU-2024:12736-1

  • qemu CBL-Mariner 2.0 6.2.0-2

azure linux advisories AZL-9277

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Is CVE-2022-1050 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-1050 updated cvss 8.2

QEMU: pvrdma: use-after-free issue in pvrdma_exec_cmd()

  • Red Hat Enterprise Linux 6 qemu-img, qemu-kvm, qemu-kvm-tools, qemu-guest-agent, qemu-guest-agent-win32 Red Hat Enterprise Linux 7 qemu-img, qemu-kvm, libcacard, qemu-img-ma, qemu-kvm-ma, qemu-kvm-tools, +5 more Red Hat Enterprise Linux 8 qemu-img, qemu-kvm, qemu-kvm-core, qemu-kvm-tests, qemu-kvm-common, qemu-guest-agent, +8 more Red Hat Enterprise Linux 8 Advanced Virtualization qemu-img, qemu-kvm, qemu-kiwi, qemu-kvm-core, qemu-kvm-tests, qemu-kvm-common, +9 more Red Hat Enterprise Linux 9 qemu-img, qemu-kvm, qemu-kvm-core, qemu-kvm-tools, qemu-pr-helper, qemu-kvm-common, +16 more Red Hat OpenStack Platform 13 (Queens) qemu-img-rhev, qemu-kvm-rhev, qemu-kvm-tools-rhev, qemu-kvm-common-rhev
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • n/a QEMU

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.