CVE-2024-6519: A use-after-free vulnerability was found in the QEMU LSI53C895A SCSI Host Bus Adapter emulation

Routine

HIGH 8.2MITIGATE

CVE-2024-6519 is a high-severity flaw (CVSS 8.2) affecting qemu. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A use-after-free vulnerability was found in the QEMU LSI53C895A SCSI Host Bus Adapter emulation. This issue can lead to a crash or VM escape.

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.2 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.2% (top 84%)
CISA exploited list	No
Weakness	CWE-416
Published	2024-10-21
Last modified	2026-06-17

Publisher (CNA): Fedora Project · Vendor: qemu

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-10-21 15:15 UTCPublished CVE record published
2026-06-17 08:18 UTCUpdated Record last modified

qemu qemu MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy qemu || rpm -q qemu || qemu --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-6519?

qemu: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-6519 being exploited?

CVE-2024-6519 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-6519 affect?

CVE-2024-6519 affects qemu. Severity is high (CVSS 8.2). A use-after-free vulnerability was found in the QEMU LSI53C895A SCSI Host Bus Adapter emulation. This issue can lead to a crash or VM escape.

How urgent is CVE-2024-6519?

Priority 33/100. High severity

Software pages

QEMU vulnerabilities

Related CVEs

CVE-2025-54567 MEDIUM 4.2 UPGRADE hw/pci/pcie_sriov.c in QEMU through 10.0.3 mishandles the VF Enable bit write mask, a related issue to CVE-202
CVE-2025-54566 MEDIUM 4.2 UPGRADE hw/pci/pcie_sriov.c in QEMU through 10.0.3 has a migration state inconsistency, a related issue to CVE-2024-26
CVE-2024-8354 MEDIUM 5.5 MITIGATE MITIGATE A flaw was found in QEMU
CVE-2024-7730 HIGH 7.4 UPGRADE A heap buffer overflow was found in the virtio-snd device in QEMU
CVE-2024-6505 MEDIUM 6.8 MITIGATE MITIGATE A flaw was found in the virtio-net device in QEMU

References

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