synced 14 MIN AGO
01 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 between read lengths and write lengths, which might allow guest OS users to execute

UnratedPUBLISHEDCNA: redhat
CNA base scoreUnratedNo CNA CVSS vector

02 Description

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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.59% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 75.2% of scored records. A rank, not a probability.
NVD base score
The NVD has published no score for this record
NVD CVSS vector
No NVD score to derive
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2015-08-31 10:00Z11 YR AGO
Last updated
2024-08-06 05:39Z2 YR AGO
Reserved
2015-04-10
Assigning CNA
redhat
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
Data version
5.1
Document digest
8a39ee028fd3a6936d139a07729709230ee23d1fae01db6b2389ca9a8feab4f3

05 Affected products

VendorProductVersionsPlatforms
aristaeosNot specified—
debiandebian_linuxNot specified—
lenovoemc_px12-400r_ivxNot specified—
lenovoemc_px12-450r_ivxNot specified—
linuxlinux_kernelNot specified—
qemuqemuNot specified—
redhatenterprise_linuxNot specified—
redhatenterprise_linux_compute_node_eusNot specified—
redhatenterprise_linux_serverNot specified—
redhatenterprise_linux_server_ausNot specified—
redhatenterprise_linux_server_eusNot specified—
redhatenterprise_linux_server_from_rhuiNot specified—
redhatenterprise_linux_server_tusNot specified—
redhatenterprise_linux_workstationNot specified—
redhatenterprise_mrgNot specified—
redhatopenstackNot specified—
redhatvirtualizationNot specified—

06 References

07 Fixed in

Debian 12

  • qemu
    Fixed in 1:2.4+dfsg-1a
  • xen
    Fixed in 4.4.0-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • qemu
    Fixed in 1:2.4+dfsg-1a
  • xen
    Fixed in 4.4.0-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • qemu
    Fixed in 1:2.4+dfsg-1a
  • xen
    Fixed in 4.4.0-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 14.04 LTS

  • qemu
    Fixed in 2.0.0+dfsg-2ubuntu1.15

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.