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TI-2015-02843 Aliases CVE-2015-3214GHSA-7g3q-j68f-2fw5

The pit_ioport_read in i8254.c in the Linux kernel before 2.6.33 and QEMU before 2.3.1…

Priority LOW 34CWE-119Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
Code execution
Confidentiality · integrity · availability
Complete · Complete · Complete
Fix status
Partial Red Hat: 10 fixed, 1 without a fix

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.01594 75th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Partial Red Hat: 3 advisoriesRed Hat: 10 fixed, 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 51

CPEVersionsRoleVendor
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*up to 2.3.0VulnerableQEMU
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*up to 2.6.32VulnerableLinux
cpe:2.3:o:arista:eos:4.12:*:*:*:*:*:*:*4.12VulnerableArista
cpe:2.3:o:arista:eos:4.13:*:*:*:*:*:*:*4.13VulnerableArista
cpe:2.3:o:arista:eos:4.14:*:*:*:*:*:*:*4.14VulnerableArista
cpe:2.3:o:arista:eos:4.15:*:*:*:*:*:*:*4.15VulnerableArista
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*7.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:lenovo:emc_px12-400r_ivx:*:*:*:*:*:*:*:*before 1.0.10.33264VulnerableLenovo
cpe:2.3:o:lenovo:emc_px12-450r_ivx:*:*:*:*:*:*:*:*before 1.0.10.33264VulnerableLenovo
  • cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* Versions up to 2.3.0 Vulnerable ·QEMU
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 2.6.32 Vulnerable ·Linux
  • cpe:2.3:o:arista:eos:4.12:*:*:*:*:*:*:* Versions 4.12 Vulnerable ·Arista
  • cpe:2.3:o:arista:eos:4.13:*:*:*:*:*:*:* Versions 4.13 Vulnerable ·Arista
  • cpe:2.3:o:arista:eos:4.14:*:*:*:*:*:*:* Versions 4.14 Vulnerable ·Arista
  • cpe:2.3:o:arista:eos:4.15:*:*:*:*:*:*:* Versions 4.15 Vulnerable ·Arista
  • cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:lenovo:emc_px12-400r_ivx:*:*:*:*:*:*:*:* Versions before 1.0.10.33264 Vulnerable ·Lenovo
  • cpe:2.3:o:lenovo:emc_px12-450r_ivx:*:*:*:*:*:*:*:* Versions before 1.0.10.33264 Vulnerable ·Lenovo
Show 41 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:redhat:openstack:5.0:*:*:*:*:*:*:*5.0VulnerableRed Hat
cpe:2.3:a:redhat:openstack:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:a:redhat:virtualization:3.0:*:*:*:*:*:*:*3.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_compute_node_eus:7.1:*:*:*:*:*:*:*7.1VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_compute_node_eus:7.2:*:*:*:*:*:*:*7.2VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_compute_node_eus:7.3:*:*:*:*:*:*:*7.3VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_compute_node_eus:7.4:*:*:*:*:*:*:*7.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_compute_node_eus:7.5:*:*:*:*:*:*:*7.5VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_compute_node_eus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_compute_node_eus:7.7:*:*:*:*:*:*:*7.7VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.1_ppc64:*:*:*:*:*:*:*7.1_ppc64VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.2_ppc64:*:*:*:*:*:*:*7.2_ppc64VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.3_ppc64:*:*:*:*:*:*:*7.3_ppc64VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.4_ppc64:*:*:*:*:*:*:*7.4_ppc64VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.5_ppc64:*:*:*:*:*:*:*7.5_ppc64VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.6_ppc64:*:*:*:*:*:*:*7.6_ppc64VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.7_ppc64:*:*:*:*:*:*:*7.7_ppc64VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_for_scientific_computing:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:*7.3VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*7.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:*7.7VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.1:*:*:*:*:*:*:*7.1VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.2:*:*:*:*:*:*:*7.2VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:*7.3VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*7.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*7.5VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.7:*:*:*:*:*:*:*7.7VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_from_rhui:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:*7.3VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:*7.7VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:7.2:*:*:*:*:*:*:*7.2VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:7.3:*:*:*:*:*:*:*7.3VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:7.4:*:*:*:*:*:*:*7.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:7.7:*:*:*:*:*:*:*7.7VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
  • cpe:2.3:a:redhat:openstack:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:openstack:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:virtualization:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_compute_node_eus:7.1:*:*:*:*:*:*:* Versions 7.1 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_compute_node_eus:7.2:*:*:*:*:*:*:* Versions 7.2 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_compute_node_eus:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_compute_node_eus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_compute_node_eus:7.5:*:*:*:*:*:*:* Versions 7.5 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_compute_node_eus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_compute_node_eus:7.7:*:*:*:*:*:*:* Versions 7.7 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.1_ppc64:*:*:*:*:*:*:* Versions 7.1_ppc64 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.2_ppc64:*:*:*:*:*:*:* Versions 7.2_ppc64 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.3_ppc64:*:*:*:*:*:*:* Versions 7.3_ppc64 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.4_ppc64:*:*:*:*:*:*:* Versions 7.4_ppc64 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.5_ppc64:*:*:*:*:*:*:* Versions 7.5_ppc64 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.6_ppc64:*:*:*:*:*:*:* Versions 7.6_ppc64 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.7_ppc64:*:*:*:*:*:*:* Versions 7.7_ppc64 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_for_scientific_computing:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:* Versions 7.7 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.1:*:*:*:*:*:*:* Versions 7.1 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.2:*:*:*:*:*:*:* Versions 7.2 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* Versions 7.5 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.7:*:*:*:*:*:*:* Versions 7.7 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_from_rhui:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:* Versions 7.7 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:7.2:*:*:*:*:*:*:* Versions 7.2 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:7.7:*:*:*:*:*:*:* Versions 7.7 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat

Remediation

Red Hat 3 advisories

  • RHSA-2015:1512 Released 2015-07-28 · Red Hat rating Important
    qemu-kvm-rhev security update
    • Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7 libcacard-devel-rhev-10:2.1.2-23.el7_1.6, libcacard-rhev-10:2.1.2-23.el7_1.6, libcacard-tools-rhev-10:2.1.2-23.el7_1.6 +4
    • Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 libcacard-devel-rhev-10:2.1.2-23.el7_1.6, libcacard-rhev-10:2.1.2-23.el7_1.6, libcacard-tools-rhev-10:2.1.2-23.el7_1.6 +4
  • RHSA-2015:1507 Released 2015-07-27 · Red Hat rating Important
    qemu-kvm security and bug fix update
    • Red Hat Enterprise Linux Client (v. 7) libcacard-10:1.5.3-86.el7_1.5, qemu-img-10:1.5.3-86.el7_1.5, qemu-kvm-10:1.5.3-86.el7_1.5 +2
    • Red Hat Enterprise Linux Client Optional (v. 7) libcacard-devel-10:1.5.3-86.el7_1.5, libcacard-tools-10:1.5.3-86.el7_1.5
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) libcacard-10:1.5.3-86.el7_1.5, libcacard-devel-10:1.5.3-86.el7_1.5, libcacard-tools-10:1.5.3-86.el7_1.5 +4
    • Red Hat Enterprise Linux Server (v. 7) libcacard-10:1.5.3-86.el7_1.5, qemu-img-10:1.5.3-86.el7_1.5, qemu-kvm-10:1.5.3-86.el7_1.5 +2
    • Red Hat Enterprise Linux Server Optional (v. 7) libcacard-10:1.5.3-86.el7_1.5, libcacard-10:1.5.3-86.el7_1.5.ppc, libcacard-devel-10:1.5.3-86.el7_1.5 +2
    • Red Hat Enterprise Linux Workstation (v. 7) libcacard-10:1.5.3-86.el7_1.5, qemu-img-10:1.5.3-86.el7_1.5, qemu-kvm-10:1.5.3-86.el7_1.5 +2
    • Red Hat Enterprise Linux Workstation Optional (v. 7) libcacard-devel-10:1.5.3-86.el7_1.5, libcacard-tools-10:1.5.3-86.el7_1.5
  • RHSA-2015:1508 Released 2015-07-27 · Red Hat rating Important
    qemu-kvm-rhev security update
    • RHEV-H and VDSM for 7 Hosts libcacard-devel-rhev-10:2.1.2-23.el7_1.6, libcacard-rhev-10:2.1.2-23.el7_1.6, libcacard-tools-rhev-10:2.1.2-23.el7_1.6 +4

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix
RHEV-H and VDSM for 7 HostsFixed RHSA-2015:1508
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2015:1507
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2015:1507
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2015:1507
Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7Fixed RHSA-2015:1512
Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7Fixed RHSA-2015:1512
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2015:1507
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2015:1507
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2015:1507
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2015:1507
Not affected: 6 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)
  • Red Hat Enterprise MRG 2
  • Red Hat OpenStack Platform 4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2015-3214
  2. 2026-10-03 Alias added: GHSA-7g3q-j68f-2fw5

References

Exploit 1

Patch 2

Advisory 9

Other 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences