CVE-2024-4467: Qemu-kvm: 'qemu-img info' leads to host file read/write

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-07-02 · updated 2026-06-17
Weakness: CWE-787

Description

A flaw was found in the QEMU disk image utility (qemu-img) 'info' command. A specially crafted image file containing a `json:{}` value describing block devices in QMP could cause the qemu-img process on the host to consume large amounts of memory or CPU time, leading to denial of service or read/write to an existing external file.

Affected products

Red Hat Advanced Virtualization for RHEL 8.2.1: all versions — fixed in 8020120240708124623.863bb0db
Red Hat Advanced Virtualization for RHEL 8.4.0.EUS: all versions — fixed in 8040020240708093550.522a0ee4
Red Hat Enterprise Linux 8: all versions — fixed in 8100020240704072441.489197e6
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support: all versions — fixed in 8040020240703100448.522a0ee4
Red Hat Enterprise Linux 8.4 Telecommunications Update Service: all versions — fixed in 8040020240703100448.522a0ee4
Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions: all versions — fixed in 8040020240703100448.522a0ee4
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support: all versions — fixed in 8060020240703092415.ad008a3a
Red Hat Enterprise Linux 8.6 Telecommunications Update Service: all versions — fixed in 8060020240703092415.ad008a3a
Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions: all versions — fixed in 8060020240703092415.ad008a3a
Red Hat Enterprise Linux 8.8 Extended Update Support: all versions — fixed in 8080020240703085245.63b34585
Red Hat Enterprise Linux 8 Advanced Virtualization: all versions
Red Hat Enterprise Linux 9: all versions — fixed in 17:8.2.0-11.el9_4.4
Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions: all versions — fixed in 17:6.2.0-11.el9_0.9
Red Hat Enterprise Linux 9.2 Extended Update Support: all versions — fixed in 17:7.2.0-14.el9_2.11
Red Hat OpenShift Virtualization 4: all versions

How to fix

Upgrade to a fixed version: Red Hat Advanced Virtualization for RHEL 8.2.1 8020120240708124623.863bb0db; Red Hat Advanced Virtualization for RHEL 8.4.0.EUS 8040020240708093550.522a0ee4; Red Hat Enterprise Linux 8 8100020240704072441.489197e6; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support 8040020240703100448.522a0ee4; Red Hat Enterprise Linux 8.4 Telecommunications Update Service 8040020240703100448.522a0ee4; Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions 8040020240703100448.522a0ee4; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support 8060020240703092415.ad008a3a; Red Hat Enterprise Linux 8.6 Telecommunications Update Service 8060020240703092415.ad008a3a; Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions 8060020240703092415.ad008a3a; Red Hat Enterprise Linux 8.8 Extended Update Support 8080020240703085245.63b34585; Red Hat Enterprise Linux 9 17:8.2.0-11.el9_4.4; Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions 17:6.2.0-11.el9_0.9. Check the vendor advisory for mitigations.

References

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