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CVE Record

CVE-2015-3214: The pit_ioport_read in i8254.c in the Linux kernel before 2.6.33 and QEMU before 2.3.1 does not distinguish...

The pit_ioport_read in i8254.c in the Linux kernel before 2.6.33 and QEMU before 2.3.1 does not distinguish between read lengths and write lengths, which might allow guest OS users to execute arbitrary code on the host OS by triggering use of an invalid index.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

A user inside a virtual machine could potentially break out to the host because timer device emulation handled lengths incorrectly. The reported impact is arbitrary code execution on the host. This is most urgent for platforms running old Linux kernel or QEMU versions with untrusted guest users. Exposure is mainly legacy virtualization hosts using affected Linux kernel or QEMU versions. Risk increases where customers, tenants, or untrusted users can run code inside guest operating systems. Prioritize remediation on any legacy virtualization host supporting untrusted guests. The business issue is potential guest-to-host compromise, but current evidence does not show known active exploitation. Mitigation focus: Upgrade QEMU to 2.3.1 or a vendor-fixed package.; Upgrade Linux kernels to 2.6.33 or a vendor-fixed backport.; Apply relevant Red Hat, Debian, Gentoo, Lenovo, or platform vendor guidance..

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Potential ATT&CK relevance

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CVE-2015-3214 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
9Source links

CVSS and timeline data

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Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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