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TI-2022-09728 Aliases CVE-2022-26354GHSA-jmf2-6wvc-36fj

A flaw was found in the vhost-vsock device of QEMU.

Priority LOW 16CWE-772Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Low
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 vhost-vsock device of QEMU. In case of error, an invalid element was not detached from the virtqueue before freeing its memory, leading to memory leakage and other unexpected results. Affected QEMU versions <= 6.2.0.

Why it matters now

EPSS 0.00391 33rd 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 versions <= 6.2.0—No fix listedCNA
  • qemu-kvm Vendor— Affected Affected QEMU versions <= 6.2.0 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*up to 6.2.0VulnerableQEMU
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
  • cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* Versions up to 6.2.0 Vulnerable ·QEMU
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 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: Low. 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-2022-26354
  2. 2026-10-03 Alias added: GHSA-jmf2-6wvc-36fj

References

Patch 1

Advisory 5

Sources

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