Advisory severityMedium6.7Red Hat Linux

Medium [CVE-2026-48914] heap buffer overflow in virtio-blk scsi request handling

This medium-severity Red Hat Linux advisory covers CVE-2026-48914 affecting Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 6.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-48914 Source published Jun 12, 2026Source updated May 26, 2026

VulniPulse record published Jul 15, 2026

CVE-2026-48914

Affected products & platforms

Red Hat LinuxRed Hat Enterprise Linux

Open source advisory

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Summary

A flaw was found in QEMU's virtio-blk device. The issue arises because the device does not properly validate the size of input descriptors before writing data.

Red Hat severity: Moderate — CVSS 6.7 (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:H). Weakness: CWE-122.

Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux for NVIDIA 26; Red Hat OpenShift Container Platform 4. Will not fix / out of support: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7.

Red Hat fixing advisory: RHSA-2026:58571, RHSA-2026:39311.

Affected products named by the advisory: Red Hat package: qemu-kvm-ma.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.

Official advisory · high-confidence parse· fetched 21 days ago·verify at source

Fixed versions

qemu-kvm-18:10.1.0-16.el10_2.5
qemu-kvm-17:10.1.0-17.el9_8.4
RHSA-2026:58571
RHSA-2026:39311

Official advisory · high-confidence parse· fetched 21 days ago·verify at source

Mitigation

Upgrade to a fixed release: qemu-kvm-18:10.1.0-16.el10_2.5, qemu-kvm-17:10.1.0-17.el9_8.4, RHSA-2026:58571, RHSA-2026:39311. That is the remediation for this advisory.

The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.

Official advisory · high-confidence parse· fetched 21 days ago·verify at source

Sources

Official and corroborating records used to build this advisory.

Red Hat Security Data APIofficial
Official vendor source used to discover this advisory; it remains the authority for affected products and remediation. Discovered from the machine-readable feed https://access.redhat.com/hydra/rest/securitydata/cve.json; this link opens the Red Hat Linux advisory index instead of the raw feed document.
Red Hat Linux
Official vendor advisoryofficial
Official advisory page fetched and parsed; accepted detail fields are attributed to this page.
Red Hat Linux
CVE.org CNA affected-product recordCVE.org
Structured CNA affected[] data independently confirmed the affected product scope; native advisory content remains authoritative.
CVE Program

Cross-references

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CVE-2026-48914NVD CVE.org MITRE

Discussion(0)

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