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medium 6.9

CVE-2015-3214 json

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…

published 11y ago modified 4mo ago also EUVD-2015-3277

cvss
6.9
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 75%
public exploits
1
Exploit-DB

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.

Patch / fix

  • lenovo emc_px12-400r_ivx 1.0.10.33264
  • lenovo emc_px12-450r_ivx 1.0.10.33264
  • xen Debian 14, Debian 13, Debian 12 4.4.0-1
  • qemu Debian 14, Debian 13, Debian 12 1:2.4+dfsg-1a

debian advisories DEBIAN-CVE-2015-3214

  • qemu Ubuntu 14.04 LTS 2.0.0+dfsg-2ubuntu1.15

ubuntu advisories UBUNTU-CVE-2015-3214

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • qemu-kvm-rhev RHEL 7, openstack 6, openstack 5 10:2.1.2-23.el7_1.6
  • qemu-img-rhev RHEL 7, openstack 6, openstack 5 10:2.1.2-23.el7_1.6
  • libcacard-rhev RHEL 7, openstack 6, openstack 5 10:2.1.2-23.el7_1.6
  • qemu-kvm-tools-rhev RHEL 7, openstack 6, openstack 5 10:2.1.2-23.el7_1.6
  • libcacard-devel-rhev RHEL 7, openstack 6, openstack 5 10:2.1.2-23.el7_1.6
  • libcacard-tools-rhev RHEL 7, openstack 6, openstack 5 10:2.1.2-23.el7_1.6
  • qemu-kvm-common-rhev RHEL 7, openstack 6, openstack 5 10:2.1.2-23.el7_1.6
  • qemu-kvm RHEL 7 10:1.5.3-86.el7_1.5

red hat advisories RHSA-2015:1512RHSA-2015:1508RHSA-2015:1507

  • kvm SLES for SAP 11 SP4, SLES 11 SP4 1.4.2-44.1
  • kvm SLES 11 SP3-TERADATA, SLES 11 SP3-LTSS 1.4.2-46.1
  • qemu SLES for SAP 12, SLES 12, SLED 12 2.0.2-48.19.1

suse advisories SUSE-SU-2016:1785-1SUSE-SU-2016:1698-1SUSE-SU-2016:1560-1

Is CVE-2015-3214 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-3214 updated cvss 6.5

qemu/kvm: i8254: out-of-bounds memory access in pit_ioport_read function

  • Red Hat Enterprise Linux 5 kvm
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Client (v. 7) qemu-img 1.5.3-86.el7_1.5, qemu-kvm 1.5.3-86.el7_1.5, libcacard 1.5.3-86.el7_1.5, qemu-kvm-tools 1.5.3-86.el7_1.5, qemu-kvm-common 1.5.3-86.el7_1.5 Red Hat Enterprise Linux Client Optional (v. 7) libcacard-tools 1.5.3-86.el7_1.5 Red Hat Enterprise Linux ComputeNode Optional (v. 7) qemu-img 1.5.3-86.el7_1.5, qemu-kvm 1.5.3-86.el7_1.5, libcacard 1.5.3-86.el7_1.5, qemu-kvm-tools 1.5.3-86.el7_1.5, libcacard-tools 1.5.3-86.el7_1.5, qemu-kvm-common 1.5.3-86.el7_1.5
    fixed: vendor fix RHSA-2015:1507
  • Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7 qemu-img-rhev 2.1.2-23.el7_1.6, qemu-kvm-rhev 2.1.2-23.el7_1.6, libcacard-rhev 2.1.2-23.el7_1.6, qemu-kvm-tools-rhev 2.1.2-23.el7_1.6, libcacard-devel-rhev 2.1.2-23.el7_1.6, libcacard-tools-rhev 2.1.2-23.el7_1.6, +1 more Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 qemu-img-rhev 2.1.2-23.el7_1.6, qemu-kvm-rhev 2.1.2-23.el7_1.6, libcacard-rhev 2.1.2-23.el7_1.6, qemu-kvm-tools-rhev 2.1.2-23.el7_1.6, libcacard-devel-rhev 2.1.2-23.el7_1.6, libcacard-tools-rhev 2.1.2-23.el7_1.6, +1 more
    fixed: vendor fix RHSA-2015:1512
  • Red Hat Enterprise Linux Server (v. 7) qemu-img 1.5.3-86.el7_1.5, qemu-kvm 1.5.3-86.el7_1.5, libcacard 1.5.3-86.el7_1.5, qemu-kvm-tools 1.5.3-86.el7_1.5, qemu-kvm-common 1.5.3-86.el7_1.5 Red Hat Enterprise Linux Server Optional (v. 7) libcacard 1.5.3-86.el7_1.5, libcacard-tools 1.5.3-86.el7_1.5 Red Hat Enterprise Linux Workstation (v. 7) qemu-img 1.5.3-86.el7_1.5, qemu-kvm 1.5.3-86.el7_1.5, libcacard 1.5.3-86.el7_1.5, qemu-kvm-tools 1.5.3-86.el7_1.5, qemu-kvm-common 1.5.3-86.el7_1.5 Red Hat Enterprise Linux Workstation Optional (v. 7) libcacard-tools 1.5.3-86.el7_1.5
    fixed: vendor fix RHSA-2015:1507
  • Red Hat RHEV-H and VDSM for 7 Hosts qemu-img-rhev 2.1.2-23.el7_1.6, qemu-kvm-rhev 2.1.2-23.el7_1.6, libcacard-rhev 2.1.2-23.el7_1.6, qemu-kvm-tools-rhev 2.1.2-23.el7_1.6, libcacard-devel-rhev 2.1.2-23.el7_1.6, libcacard-tools-rhev 2.1.2-23.el7_1.6, +1 more
    fixed: vendor fix RHSA-2015:1508
  • Red Hat Enterprise Linux 5 xen Red Hat Enterprise Linux 6 perf, kernel, qemu-img, qemu-kvm, python-perf, kernel-kdump, +6 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise Linux OpenStack Platform 7 (Kilo) qemu-img-rhev, qemu-kvm-rhev, libcacard-rhev, qemu-kvm-tools-rhev, libcacard-devel-rhev, libcacard-tools-rhev, +1 more Red Hat Enterprise MRG 2 kernel Red Hat OpenStack Platform 4 qemu-kvm-rhev
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. First public exploit (EDB-37990)
  2. Published

Exploit prediction

1.59% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-37990 QEMU - Programmable Interrupt Timer Controller Heap Overflow dos, 2015-08-27

CVSS scores

assigned by version score vector
NVD 2.0 6.9 AV:L/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.