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TI-2022-09727 Aliases CVE-2022-26353GHSA-xrwp-4qvv-59wr

A flaw was found in the virtio-net device of QEMU.

Priority LOW 38CWE-772Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 4 fixed, 4 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-772.

Summary

A flaw was found in the virtio-net device of QEMU. This flaw was inadvertently introduced with the fix for CVE-2021-3748, which forgot to unmap the cached virtqueue elements on error, leading to memory leakage and other unexpected results. Affected QEMU version: 6.2.0.

Why it matters now

EPSS 0.02743 86th percentileScored 2026-11-07
Fix Partial Red Hat: 3 advisoriesRed Hat: 4 fixed, 4 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—qemu-kvmAffected QEMU version: 6.2.0—No fix listedCNA
  • qemu-kvm Vendor— Affected Affected QEMU version: 6.2.0 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:qemu:qemu:6.2.0:*:*:*:*:*:*:*6.2.0VulnerableQEMU
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*11.0VulnerableDebian
  • cpe:2.3:a:qemu:qemu:6.2.0:*:*:*:*:*:*:* Versions 6.2.0 Vulnerable ·QEMU
  • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian

Remediation

Red Hat 3 advisories

  • RHSA-2022:5821 Released 2022-08-02 · Red Hat rating Moderate
    virt:rhel and virt-devel:rhel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 8) SLOF-20210217-1.module+el8.6.0+14480+c0a3aa0f.noarch::virt:rhel, SLOF-20210217-1.module+el8.6.0+14480+c0a3aa0f.src::virt:rhel, hivex-1.3.18-23.module+el8.6.0+14480+c0a3aa0f.aarch64::virt:rhel +47
    • Red Hat Enterprise Linux CRB (v. 8) SLOF-20210217-1.module+el8.6.0+14480+c0a3aa0f.src::virt-devel:rhel, hivex-1.3.18-23.module+el8.6.0+14480+c0a3aa0f.i686::virt-devel:rhel, hivex-devel-1.3.18-23.module+el8.6.0+14480+c0a3aa0f.i686::virt-devel:rhel +47
  • RHSA-2022:5263 Released 2022-07-01 · Red Hat rating Moderate
    qemu-kvm security and bug fix update
    • Red Hat Enterprise Linux AppStream (v. 9) qemu-guest-agent-17:6.2.0-11.el9_0.3, qemu-img-17:6.2.0-11.el9_0.3, qemu-kvm-17:6.2.0-11.el9_0.3 +19
  • RHSA-2022:5002 Released 2022-06-13 · Red Hat rating Moderate
    virt:av and virt-devel:av security and bug fix update
    • Advanced Virtualization for RHEL 8.4.0.EUS SLOF-20200717-1.gite18ddad8.module+el8.4.0+8855+a9e237a9.noarch::virt:av, SLOF-20200717-1.gite18ddad8.module+el8.4.0+8855+a9e237a9.src::virt-devel:av, SLOF-20200717-1.gite18ddad8.module+el8.4.0+8855+a9e237a9.src::virt:av +47

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 8 Advanced VirtualizationAffectedNo fix yet
Red Hat OpenStack Platform 13 (Queens)AffectedNo fix planned: Out of support scope
Advanced Virtualization for RHEL 8.4.0.EUSFixed RHSA-2022:5002
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2022:5821
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2022:5263
Red Hat Enterprise Linux CRB (v. 8)Fixed RHSA-2022:5821

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-26353
  2. 2026-10-03 Alias added: GHSA-xrwp-4qvv-59wr

References

Patch 2

Advisory 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences