CVE-2015-3214

mediumpriority · track · 39EPSS 0.016 · 76 %ileexploit · functionalEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

1.59% (76th) EPSS

CVSS 6.9 · medium

Is it mine?

53 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

6.9

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.06.9mediumAV:L/AC:M/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.4 · impact 10

v2.06.9mediumAV:L/AC:M/Au:N/C:C/I:C/A:Csecondary · FSTEC (BDU) RU

v2.06.2mediumAV:L/AC:M/Au:N/C:C/I:C/A:C/E:POCsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimaryCWE-119US

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-37990QEMU - Programmable Interrupt Timer Controller Heap Overflowfunctional · exploit_db

affected products (53)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Fabrice Bellard QEMU≤ 2.3.1fstec_bduRU
arista eos= 4.12nvdUScpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*
arista eos= 4.13nvdUScpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*
arista eos= 4.14nvdUScpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*
arista eos= 4.15nvdUScpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*
debian debian linux= 7.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
debian debian linux= 8.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
lenovo emc px12-400r ivx< 1.0.10.33264nvdUScpe:2.3:o:lenovo:emc_px12-400r_ivx:*:*:*:*:*:*:*:*
lenovo emc px12-450r ivx< 1.0.10.33264nvdUScpe:2.3:o:lenovo:emc_px12-450r_ivx:*:*:*:*:*:*:*:*
linux linux kernel≤ 2.6.32nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
qemu qemu≤ 2.3.0nvdUScpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
redhat enterprise linux compute node eus= 7.1nvdUScpe:2.3:o:redhat:enterprise_linux_compute_node_eus:*:*:*:*:*:*:*:*
redhat enterprise linux compute node eus= 7.2nvdUScpe:2.3:o:redhat:enterprise_linux_compute_node_eus:*:*:*:*:*:*:*:*
redhat enterprise linux compute node eus= 7.3nvdUScpe:2.3:o:redhat:enterprise_linux_compute_node_eus:*:*:*:*:*:*:*:*
redhat enterprise linux compute node eus= 7.4nvdUScpe:2.3:o:redhat:enterprise_linux_compute_node_eus:*:*:*:*:*:*:*:*
redhat enterprise linux compute node eus= 7.5nvdUScpe:2.3:o:redhat:enterprise_linux_compute_node_eus:*:*:*:*:*:*:*:*
redhat enterprise linux compute node eus= 7.6nvdUScpe:2.3:o:redhat:enterprise_linux_compute_node_eus:*:*:*:*:*:*:*:*
redhat enterprise linux compute node eus= 7.7nvdUScpe:2.3:o:redhat:enterprise_linux_compute_node_eus:*:*:*:*:*:*:*:*
redhat enterprise linux for power big endian= 7.0nvdUScpe:2.3:o:redhat:enterprise_linux_for_power_big_endian:*:*:*:*:*:*:*:*

showing 20 of 53

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2015-08-31modified 2026-06-17

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+21023 more

references (56)

External citations — patches, advisories, analysis.

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