CVE & CISA-KEV Catalog

CVE-2015-5158

MEDIUM

5.5

CVSS v3

Description

Stack-based buffer overflow in hw/scsi/scsi-bus.c in QEMU, when built with SCSI-device emulation support, allows guest OS users with CAP_SYS_RAWIO permissions to cause a denial of service (instance crash) via an invalid opcode in a SCSI command descriptor block.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

qemuDebian

Fixed in:1:2.4+dfsg-1aCVE-2015-5158

Fixed in:1:2.4+dfsg-1aCVE-2015-5158

Fixed in:1:2.4+dfsg-1aCVE-2015-5158

Fixed in:1:2.4+dfsg-1aCVE-2015-5158

qemuUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.15USN-2692-1

qemu-systemUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.15USN-2692-1

qemu-system-aarch64Ubuntu

Fixed in:2.0.0+dfsg-2ubuntu1.15USN-2692-1

qemu-system-armUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.15USN-2692-1

qemu-system-mipsUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.15USN-2692-1

qemu-system-miscUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.15USN-2692-1

qemu-system-ppcUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.15USN-2692-1

qemu-system-sparcUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.15USN-2692-1

qemu-system-x86Ubuntu

Fixed in:2.0.0+dfsg-2ubuntu1.15USN-2692-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.43%probability of exploitation in 30 days

35thpercentile

Low risk: more likely to be exploited than 35% of all known CVEs.

References

Third-Party Advisory4

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.