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    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 arbitrary code on the host OS by triggering use of an invalid index.

    Published:Jun 16, 2015
    Last Modified:Apr 12, 2025
    EPS:Aug 31, 2015
    EPSS Score:0.0147
    CVSS Score:6.9

    Affected Products

    Vendor
    Arista
    Product
    Eos
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Lenovo
    Product
    Emc Px12-400r Ivx
    Vendor
    Lenovo
    Product
    Emc Px12-450r Ivx
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Qemu
    Product
    Qemu
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Linux Compute Node Eus
    Vendor
    Redhat
    Product
    Enterprise Linux For Power Big Endian
    Vendor
    Redhat
    Product
    Enterprise Linux For Power Big Endian Eus
    Vendor
    Redhat
    Product
    Enterprise Linux For Scientific Computing
    Vendor
    Redhat
    Product
    Enterprise Linux Server
    Vendor
    Redhat
    Product
    Enterprise Linux Server Aus
    Vendor
    Redhat
    Product
    Enterprise Linux Server Eus
    Vendor
    Redhat
    Product
    Enterprise Linux Server From Rhui
    Vendor
    Redhat
    Product
    Enterprise Linux Server Tus
    Vendor
    Redhat
    Product
    Enterprise Linux Server Update Services For Sap Solutions
    Vendor
    Redhat
    Product
    Enterprise Linux Workstation
    Vendor
    Redhat
    Product
    Openstack
    Vendor
    Redhat
    Product
    Virtualization

    Exploits

    https://www.exploit-db.com/exploits/37990

    Related CVEs

    CVE-2026-2379 (CVSS 8.2) — On affected platforms with hardware IPSec support running Arista EOS with certain IPsec features enabled, EOS …
    CVE-2026-7473 (CVSS 6.9) — On affected platforms running Arista EOS where a tunnel decapsulation configuration—such as VXLAN (Virtual Ext…
    CVE-2025-8873 (CVSS 8.7) — On affected platforms running Arista EOS with IPsec configured, a specially crafted packet can cause the datap…
    CVE-2023-5502 (CVSS 8.2) — On affected platforms running Arista EOS with 802.1x authentication configured on the access/trunk ports, and …
    CVE-2024-27892 (CVSS 7.2) — Affected platforms running Arista EOS with OpenConfig configured, a gNMI Set request can be run when it should…
    CVE-2024-27890 (CVSS 7.2) — Affected platforms running Arista EOS with OpenConfig configured, a gNMI Set request can be run when it should…
    CVE-2024-27891 (CVSS 6.9) — On affected platforms running Arista EOS with MACsec and egress ACLs configured on the same interfaces, the AC…
    CVE-2024-6858 (CVSS 6.5) — In Arista’s EOS when in 802.1X mode, multi-auth unauthenticated hosts might be allowed access to a switch port…
    CVE-2025-7048 (CVSS 5.3) — On affected platforms running Arista EOS with MACsec configuration, a specially crafted packet can cause the M…
    CVE-2025-8872 (CVSS 7.1) — On affected platforms running Arista EOS with OSPFv3 configured, a specially crafted packet can cause the OSFP…

    References

    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ee73f656a604d5aa9df86a97102e4e462dd79924
    http://mirror.linux.org.au/linux/kernel/v2.6/ChangeLog-2.6.33
    http://rhn.redhat.com/errata/RHSA-2015-1507.html
    http://rhn.redhat.com/errata/RHSA-2015-1508.html
    http://rhn.redhat.com/errata/RHSA-2015-1512.html
    http://www.debian.org/security/2015/dsa-3348
    http://www.openwall.com/lists/oss-security/2015/06/25/7
    http://www.securityfocus.com/bid/75273
    http://www.securitytracker.com/id/1032598
    https://bugzilla.redhat.com/show_bug.cgi?id=1229640
    https://github.com/torvalds/linux/commit/ee73f656a604d5aa9df86a97102e4e462dd79924
    https://security.gentoo.org/glsa/201510-02
    https://support.lenovo.com/product_security/qemu
    https://support.lenovo.com/us/en/product_security/qemu
    https://www.arista.com/en/support/advisories-notices/security-advisories/1180-security-advisory-13
    https://www.exploit-db.com/exploits/37990/
    https://www.mail-archive.com/qemu-devel%40nongnu.org/msg304138.html
    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ee73f656a604d5aa9df86a97102e4e462dd79924
    http://mirror.linux.org.au/linux/kernel/v2.6/ChangeLog-2.6.33
    http://rhn.redhat.com/errata/RHSA-2015-1507.html
    http://rhn.redhat.com/errata/RHSA-2015-1508.html
    http://rhn.redhat.com/errata/RHSA-2015-1512.html
    http://www.debian.org/security/2015/dsa-3348
    http://www.openwall.com/lists/oss-security/2015/06/25/7
    http://www.securityfocus.com/bid/75273
    http://www.securitytracker.com/id/1032598
    https://bugzilla.redhat.com/show_bug.cgi?id=1229640
    https://github.com/torvalds/linux/commit/ee73f656a604d5aa9df86a97102e4e462dd79924
    https://security.gentoo.org/glsa/201510-02
    https://support.lenovo.com/product_security/qemu
    https://support.lenovo.com/us/en/product_security/qemu
    https://www.arista.com/en/support/advisories-notices/security-advisories/1180-security-advisory-13
    https://www.exploit-db.com/exploits/37990/
    https://www.mail-archive.com/qemu-devel%40nongnu.org/msg304138.html

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High