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TI-2022-00283 Aliases CVE-2022-0358GHSA-mv2v-9q68-4c8h

A flaw was found in the QEMU virtio-fs shared file system daemon (virtiofsd)…

Priority LOW 34CWE-273Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 8 fixed, 3 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.

Summary

A flaw was found in the QEMU virtio-fs shared file system daemon (virtiofsd) implementation. This flaw is strictly related to CVE-2018-13405. A local guest user can create files in the directories shared by virtio-fs with unintended group ownership in a scenario where a directory is SGID to a certain group and is writable by a user who is not a member of the group. This could allow a malicious unprivileged user inside the guest to gain access to resources accessible to the root group, potentially escalating their privileges within the guest. A malicious local user in the host might also leverage this unexpected executable file created by the guest to escalate their privileges on the host system.

Why it matters now

EPSS 0.00333 26th percentileScored 2026-11-07
Fix Partial Red Hat: 5 advisoriesRed Hat: 8 fixed, 3 without a fix

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
—QEMU/virtiofsdFixed in qemu v6.2.0-7—No fix listedCNA
  • QEMU/virtiofsd Vendor— Affected Fixed in qemu v6.2.0-7 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*before 6.2.0-7VulnerableQEMU
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:*8.0VulnerableRed Hat
  • cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* Versions before 6.2.0-7 Vulnerable ·QEMU
  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:* Versions 8.0 Vulnerable ·Red Hat

Remediation

Red Hat 5 advisories

  • RHSA-2022:0973 Released 2022-03-21 · Red Hat rating Moderate
    virt:av and virt-devel:av qemu-kvm security update
    • Advanced Virtualization CodeReady Builder for RHEL 8.2.1 SLOF-20191022-3.git899d9883.module+el8.2.0+5449+efc036dd.src::virt-devel:8.2, hivex-1.3.18-20.module+el8.2.0+5588+63a201c3.i686::virt-devel:8.2, hivex-devel-1.3.18-20.module+el8.2.0+5588+63a201c3.i686::virt-devel:8.2 +47
    • Advanced Virtualization for RHEL 8.2.1 SLOF-20191022-3.git899d9883.module+el8.2.0+5449+efc036dd.noarch::virt:8.2, SLOF-20191022-3.git899d9883.module+el8.2.0+5449+efc036dd.src::virt:8.2, hivex-1.3.18-20.module+el8.2.0+5588+63a201c3.aarch64::virt:8.2 +47
  • RHSA-2022:0971 Released 2022-03-21 · 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
  • RHSA-2022:0949 Released 2022-03-16 · Red Hat rating Moderate
    virt:av and virt-devel:av security and bug fix update
    • Advanced Virtualization for RHEL 8.5.0.Z SLOF-20210217-1.module+el8.5.0+10946+35bb3930.noarch::virt:av, SLOF-20210217-1.module+el8.5.0+10946+35bb3930.src::virt-devel:av, SLOF-20210217-1.module+el8.5.0+10946+35bb3930.src::virt:av +47
Show 2 more Red Hat advisories
  • RHSA-2022:0886 Released 2022-03-15 · Red Hat rating Moderate
    virt:rhel and virt-devel:rhel security update
    • Red Hat CodeReady Linux Builder (v. 8) SLOF-20191022-3.git899d9883.module+el8.3.0+6423+e4cb6418.src::virt-devel:rhel, hivex-1.3.18-21.module+el8.5.0+10709+b3edb581.i686::virt-devel:rhel, hivex-devel-1.3.18-21.module+el8.5.0+10709+b3edb581.i686::virt-devel:rhel +47
    • Red Hat Enterprise Linux AppStream (v. 8) SLOF-20191022-3.git899d9883.module+el8.3.0+6423+e4cb6418.noarch::virt:rhel, SLOF-20191022-3.git899d9883.module+el8.3.0+6423+e4cb6418.src::virt:rhel, hivex-1.3.18-21.module+el8.5.0+10709+b3edb581.aarch64::virt:rhel +47
  • RHSA-2022:0759 Released 2022-03-07 · Red Hat rating Moderate
    virt:rhel and virt-devel:rhel security and bug fix update
    • Red Hat Enterprise Linux AppStream EUS (v.8.4) SLOF-20191022-3.git899d9883.module+el8.3.0+6423+e4cb6418.noarch::virt:rhel, SLOF-20191022-3.git899d9883.module+el8.3.0+6423+e4cb6418.src::virt:rhel, hivex-1.3.18-21.module+el8.4.0+10770+19c037f9.aarch64::virt:rhel +47
    • Red Hat Enterprise Linux CRB EUS (v.8.4) SLOF-20191022-3.git899d9883.module+el8.3.0+6423+e4cb6418.src::virt-devel:rhel, hivex-1.3.18-21.module+el8.4.0+10770+19c037f9.i686::virt-devel:rhel, hivex-devel-1.3.18-21.module+el8.4.0+10770+19c037f9.i686::virt-devel:rhel +47

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 8 Advanced VirtualizationAffectedNo fix yet
Red Hat OpenStack Platform 10 (Newton)AffectedNo fix planned: Out of support scope
Red Hat OpenStack Platform 13 (Queens)AffectedNo fix planned: Out of support scope
Advanced Virtualization CodeReady Builder for RHEL 8.2.1Fixed RHSA-2022:0973
Advanced Virtualization for RHEL 8.2.1Fixed RHSA-2022:0973
Advanced Virtualization for RHEL 8.4.0.EUSFixed RHSA-2022:0971
Advanced Virtualization for RHEL 8.5.0.ZFixed RHSA-2022:0949
Red Hat CodeReady Linux Builder (v. 8)Fixed RHSA-2022:0886
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2022:0886
Red Hat Enterprise Linux AppStream EUS (v.8.4)Fixed RHSA-2022:0759
Red Hat Enterprise Linux CRB EUS (v.8.4)Fixed RHSA-2022:0759
Not affected: 3 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-0358
  2. 2026-10-03 Alias added: GHSA-mv2v-9q68-4c8h

References

Sources